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Epson R-D1 vs Pentax K-70

The Epson R-D1 and the Pentax K-70 are two digital cameras that were revealed to the public, respectively, in March 2004 and June 2016. The R-D1 is a rangefinder-focusing mirrorless camera, while the K-70 is a DSLR. Both cameras are equipped with an APS-C sensor. The Epson has a resolution of 6 megapixels, whereas the Pentax provides 24 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Epson R-D1
versus
Pentax K-70
Epson R-D1   Pentax K-70
Rangefinder camera Digital single lens reflex
Leica M mount lenses Pentax K mount lenses
6 MP – APS-C sensor 24 MP – APS-C sensor
no Video 1080/60i Video
ISO 200-1,600 ISO 100-102,400
Optical viewfinder Optical viewfinder
2.0" LCD – 235k dots 3.0" LCD – 921k dots
Fixed screen (not touch-sensitive) Swivel screen (not touch-sensitive)
1 shutter flaps per second 6 shutter flaps per second
no shake reductionIn-body stabilization
not weather sealedWeathersealed body
142 x 89 x 40 mm, 620 g 126 x 93 x 74 mm, 688 g
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Check R-D1 offers at
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Check K-70 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Epson R-D1 and the Pentax K-70? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Epson R-D1 and the Pentax K-70. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

The K-70 can be obtained in two different colors (black, silver), while the R-D1 is only available in black.

Size Epson R-D1 vs Pentax K-70
Compare R-D1 versus K-70 top
Comparison R-D1 or K-70 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-70 is notably smaller (7 percent) than the Epson R-D1. However, the K-70 is markedly heavier (11 percent) than the R-D1. It is noteworthy in this context that the K-70 is splash and dust-proof, while the R-D1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Epson R-D1 142 mm 89 mm 40 mm 620 g .. i Mar 2004 US$ 2 999ebay.com
2.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 i Jun 2016 US$ 649ebay.com
3.
 
Canon 300D 142 mm 99 mm 72 mm 649 g 400 i Aug 2003 US$ 899ebay.com
4.
 
Canon 350D 127 mm 94 mm 64 mm 540 g 400 i Feb 2005 US$ 899ebay.com
5.
 
Leica M8 139 mm 80 mm 37 mm 591 g 550 i Sep 2006 US$ 5 499ebay.com
6.
 
Leica M9 139 mm 80 mm 37 mm 585 g 550 i Sep 2009 US$ 7 999ebay.com
7.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 i Jan 2017 US$ 6 599ebay.com
8.
 
Leica X Vario 133 mm 73 mm 95 mm 680 g 450 i Jun 2013 US$ 2 849ebay.com
9.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 i Apr 2005 US$ 749ebay.com
10.
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 i Jan 2004 US$ 999ebay.com
11.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 i Apr 2005 US$ 899ebay.com
12.
 
Olympus E-300 147 mm 85 mm 64 mm 624 g 750 i Sep 2004 US$ 799ebay.com
13.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 i Oct 2013 US$ 1 299ebay.com
14.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 i Apr 2015 US$ 1 099ebay.com
15.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 i Jun 2013 US$ 599ebay.com
16.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 i Jan 2017 US$ 1 099ebay.com
17.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 i Feb 2015 US$ 749ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
  empty Camera
Model

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The K-70 was launched at a markedly lower price (by 78 percent) than the R-D1, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-70 is 1 percent smaller. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Epson R-D1 and Pentax K-70 sensor measures

Despite having a slightly smaller sensor, the K-70 offers a higher resolution of 24 megapixels, compared with 6 MP of the R-D1. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.91μm versus 7.85μm for the R-D1). However, it should be noted that the K-70 is much more recent (by 12 years and 3 months) than the R-D1, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the K-70 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-70 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-70 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Epson R-D1 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.

The K-70 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the R-D1, the K-70 has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Epson R-D1 has a native sensitivity range from ISO 200 to ISO 1600. The corresponding ISO settings for the Pentax K-70 are ISO 100 to ISO 102400 (no boost).

In terms of underlying technology, the R-D1 is build around a CCD sensor, while the K-70 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

R-D1 versus K-70 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Epson R-D1 APS-C 6.0 3008 2000i21.110.456455
2.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
3.
 
Canon 300D APS-C 6.3 3072 2048i21.010.854455
4.
 
Canon 350D APS-C 8.0 3456 2304i21.810.863760
5.
 
Leica M8 APS-H 10.4 3936 2630i21.111.366359
6.
 
Leica M9 Full Frame 18.1 5212 3472i22.511.788469
7.
 
Leica M10 Full Frame 23.8 5952 3992i24.413.2213386
8.
 
Leica X Vario APS-C 16.1 4928 32721080/30p23.412.7132078
9.
 
Nikon D50 APS-C 6.0 3008 2000i20.910.856055
10.
 
Nikon D70 APS-C 6.0 3008 2000i20.410.352950
11.
 
Nikon D70s APS-C 6.0 3008 2000i20.410.352950
12.
 
Olympus E-300 Four Thirds 8.0 3264 2448i20.410.1-4048
13.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
14.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
15.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
16.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
17.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
Note: DXO values in italics represent estimates based on sensor size and age.
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
  empty Camera
Model

Many modern cameras are not only capable of taking still images, but can also record movies. The K-70 indeed provides for movie recording, while the R-D1 does not. The highest resolution format that the K-70 can use is 1080/60i.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The R-D1 and the K-70 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The table below summarizes some of the other core capabilities of the Epson R-D1 and Pentax K-70 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Epson R-D1optical i2.0 / 235 fixed i 1/2000s 1.0/s i i
2.
 
Pentax K-70optical i3.0 / 921 swivel i 1/6000s 6.0/s i i
3.
 
Canon 300Doptical i1.8 / 118 fixed i 1/4000s 2.5/s i i
4.
 
Canon 350Doptical i1.8 / 115 fixed i 1/4000s 3.0/s i i
5.
 
Leica M8optical i2.5 / 230 fixed i 1/8000s 2.0/s i i
6.
 
Leica M9optical i2.5 / 230 fixed i 1/4000s 2.0/s i i
7.
 
Leica M10optical i3.0 / 1037 fixed i 1/4000s 5.0/s i i
8.
 
Leica X Variooptional i3.0 / 920 fixed i 1/2000s 5.0/s i i
9.
 
Nikon D50optical i2.0 / 130 fixed i 1/4000s 2.5/s i i
10.
 
Nikon D70optical i1.8 / 130 fixed i 1/8000s 3.0/s i i
11.
 
Nikon D70soptical i2.0 / 130 fixed i 1/8000s 3.0/s i i
12.
 
Olympus E-300optical i1.8 / 134 fixed i 1/4000s 2.5/s i i
13.
 
Pentax K-3optical i3.2 / 1037 fixed i 1/8000s 8.3/s i i
14.
 
Pentax K-3 IIoptical i3.2 / 1037 fixed i 1/8000s 8.3/s i i
15.
 
Pentax K-50optical i3.0 / 921 fixed i 1/6000s 6.0/s i i
16.
 
Pentax KPoptical i3.0 / 921 tilting i 1/6000s 7.0/s i i
17.
 
Pentax K-S2optical i3.0 / 921 swivel i 1/6000s 5.4/s i i
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
  empty Camera
Model

One difference between the cameras concerns the presence of an on-board flash. The K-70 has one, while the R-D1 does not. While the built-in flash of the K-70 is not very powerful, it can at times be useful as a fill-in light.

The K-70 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the R-D1 does not have a selfie-screen.

The Pentax K-70 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The R-D1 writes its imaging data to SDHC cards, while the K-70 uses SDXC cards. The K-70 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the R-D1 cannot take advantage of Ultra High Speed SD cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Epson R-D1 and Pentax K-70 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Epson R-D1ii / iiiiiiii
2.
 
Pentax K-70istereo / monoiimini2.0iii
3.
 
Canon 300Dii / iiii1.1iii
4.
 
Canon 350Dii / iiii2.0iii
5.
 
Leica M8ii / iiii2.0iii
6.
 
Leica M9ii / iiii2.0iii
7.
 
Leica M10ii / iiiiiiii
8.
 
Leica X Varioistereo / monoiimini2.0iii
9.
 
Nikon D50ii / iiii2.0iii
10.
 
Nikon D70ii / iiii1.0iii
11.
 
Nikon D70sii / iiii2.0iii
12.
 
Olympus E-300ii / iiii2.0iii
13.
 
Pentax K-3imono / monoiimini3.0iii
14.
 
Pentax K-3 IIimono / monoiimini3.0iii
15.
 
Pentax K-50imono / monoiimicro2.0iii
16.
 
Pentax KPistereo / monoiii2.0iii
17.
 
Pentax K-S2imono / monoiimicro2.0iii
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
  empty Camera
Model

It is notable that the K-70 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the R-D1 does not provide wifi capability.

Studio photographers will appreciate that the Epson R-D1 (unlike the K-70) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the R-D1 and the K-70 have been discontinued, but can regularly be found used on ebay. Neither of the two has a direct successor, so they represent the end of the respective camera lines from Epson and Pentax. Further information on the features and operation of the R-D1 and K-70 can be found, respectively, in the Epson R-D1 Manual (free pdf) or the online Pentax K-70 Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Epson R-D1 or the Pentax K-70 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

ilogo

Advantages of the Epson R-D1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Less heavy: Is lighter (by 68g or 10 percent) and hence easier to carry around.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in March 2004).

ilogo

Reasons to prefer the Pentax K-70:

  • More detail: Has more megapixels (24 vs 6MP), which boosts linear resolution by 100%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 235k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 1 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (78 percent cheaper at launch).
  • More modern: Reflects 12 years and 3 months of technical progress since the R-D1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the K-70 is the clear winner of the contest (19 : 4 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

R-D1 04:19 K-70

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the R-D1 or the K-70 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Epson R-D1............ Mar 2004 US$ 2 999ebay.com
2.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 US$ 649ebay.com
3.
 
Canon 300D......+ +.... Aug 2003 US$ 899ebay.com
4.
 
Canon 350D..80/100..+ +o.. Feb 2005 US$ 899ebay.com
5.
 
Leica M8......+ +.... Sep 2006 US$ 5 499ebay.com
6.
 
Leica M9........4.5/5.. Sep 2009 US$ 7 999ebay.com
7.
 
Leica M104.5/5......4/54.5/5 Jan 2017 US$ 6 599ebay.com
8.
 
Leica X Vario3/5......4/54/5 Jun 2013 US$ 2 849ebay.com
9.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 US$ 749ebay.com
10.
 
Nikon D70......+ +.... Jan 2004 US$ 999ebay.com
11.
 
Nikon D70s..........5/5 Apr 2005 US$ 899ebay.com
12.
 
Olympus E-300......+o4.5/5 Sep 2004 US$ 799ebay.com
13.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
14.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
15.
 
Pentax K-505/5......5/54.5/5 Jun 2013 US$ 599ebay.com
16.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
17.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 US$ 749ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
  empty  Camera 
 Model 

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check R-D1 offers at
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Check K-70 offers at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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  • Canon SX700
  • Canon SX710
  • Canon SX720
  • Canon SX730
  • Canon SX740
  • Canon Rebel
  • Canon T1i
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  • Canon XS
  • Canon XSi
  • Canon XT
  • Canon XTi
  • Contax N Digital
  • Epson R-D1
  • Fujifilm GFX 50R
  • Fujifilm GFX 50S
  • Fujifilm GFX 50S II
  • Fujifilm GFX 100
  • Fujifilm GFX 100 II
  • Fujifilm GFX 100RF
  • Fujifilm GFX 100S
  • Fujifilm GFX 100S II
  • Fujifilm X-A1
  • Fujifilm X-A2
  • Fujifilm X-A3
  • Fujifilm X-A5
  • Fujifilm X-A7
  • Fujifilm X-A10
  • Fujifilm X-E1
  • Fujifilm X-E2
  • Fujifilm X-E2S
  • Fujifilm X-E3
  • Fujifilm X-E4
  • Fujifilm X-E5
  • Fujifilm X-H1
  • Fujifilm X-H2
  • Fujifilm X-H2S
  • Fujifilm X-M1
  • Fujifilm X-M5
  • Fujifilm X-Pro1
  • Fujifilm X-Pro2
  • Fujifilm X-Pro3
  • Fujifilm X-S10
  • Fujifilm X-S20
  • Fujifilm X-T1
  • Fujifilm X-T2
  • Fujifilm X-T3
  • Fujifilm X-T4
  • Fujifilm X-T5
  • Fujifilm X-T10
  • Fujifilm X-T20
  • Fujifilm X-T30
  • Fujifilm X-T30 II
  • Fujifilm X-T50
  • Fujifilm X-T100
  • Fujifilm X-T200
  • Fujifilm X10
  • Fujifilm X20
  • Fujifilm X30
  • Fujifilm X70
  • Fujifilm X100
  • Fujifilm X100S
  • Fujifilm X100T
  • Fujifilm X100F
  • Fujifilm X100V
  • Fujifilm X100VI
  • Fujifilm XF10
  • Fujifilm XQ1
  • Fujifilm XQ2
  • Fujifilm XP120
  • Fujifilm XP130
  • Fujifilm XP140
  • Hasselblad X1D
  • Hasselblad X1D II
  • Hasselblad X2D 100C
  • Kodak AZ901
  • Kodak S-1
  • Leica C-LUX
  • Leica CL
  • Leica D-LUX Typ 109
  • Leica D-LUX 5
  • Leica D-LUX 6
  • Leica D-LUX 7
  • Leica D-LUX 8
  • Leica Digilux 3
  • Leica M Typ 240
  • Leica M-E Typ 240
  • Leica M Typ 262
  • Leica M8
  • Leica M9
  • Leica M10
  • Leica M10-P
  • Leica M10-R
  • Leica M11
  • Leica Q Typ 116
  • Leica Q2
  • Leica Q3
  • Leica S1
  • Leica S2
  • Leica S3
  • Leica S Typ 006
  • Leica S-E Typ 006
  • Leica S Typ 007
  • Leica SL
  • Leica SL2
  • Leica SL2-S
  • Leica SL3
  • Leica SL3-S
  • Leica T
  • Leica TL
  • Leica TL2
  • Leica V-LUX 1
  • Leica V-LUX 2
  • Leica V-LUX 3
  • Leica V-LUX 4
  • Leica V-LUX Typ 114
  • Leica V-LUX 5
  • Leica X1
  • Leica X2
  • Leica X Vario
  • Leica X Typ 113
  • Leica X-U Typ 113
  • Leitz Ur-Leica
  • Nikon 1 J4
  • Nikon 1 J5
  • Nikon 1 V1
  • Nikon 1 V2
  • Nikon 1 V3
  • Nikon Coolpix A
  • Nikon A1000
  • Nikon B500
  • Nikon B600
  • Nikon B700
  • Nikon D1
  • Nikon D1H
  • Nikon D1X
  • Nikon D2H
  • Nikon D2X
  • Nikon D2Xs
  • Nikon D3
  • Nikon D3S
  • Nikon D3X
  • Nikon D4
  • Nikon D4S
  • Nikon D5
  • Nikon D6
  • Nikon D40
  • Nikon D40X
  • Nikon D50
  • Nikon D60
  • Nikon D70
  • Nikon D70s
  • Nikon D80
  • Nikon D90
  • Nikon D100
  • Nikon D200
  • Nikon D300
  • Nikon D300S
  • Nikon D500
  • Nikon D600
  • Nikon D610
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  • Nikon D750
  • Nikon D780
  • Nikon D800
  • Nikon D800E
  • Nikon D810
  • Nikon D850
  • Nikon D3000
  • Nikon D3100
  • Nikon D3200
  • Nikon D3300
  • Nikon D3400
  • Nikon D3500
  • Nikon D5000
  • Nikon D5100
  • Nikon D5200
  • Nikon D5300
  • Nikon D5500
  • Nikon D5600
  • Nikon D7000
  • Nikon D7100
  • Nikon D7200
  • Nikon D7500
  • Nikon Df
  • Nikon L840
  • Nikon P900
  • Nikon P950
  • Nikon P1000
  • Nikon P1100
  • Nikon P7800
  • Nikon W150
  • Nikon W300
  • Nikon Z5
  • Nikon Z5 II
  • Nikon Z6
  • Nikon Z6 II
  • Nikon Z6 III
  • Nikon Z7
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  • Nikon Z8
  • Nikon Z9
  • Nikon Z30
  • Nikon Z50
  • Nikon Z50 II
  • Nikon Zf
  • Nikon Z fc
  • Olympus E-1
  • Olympus E-3
  • Olympus E-5
  • Olympus E-30
  • Olympus E-300
  • Olympus E-330
  • Olympus E-400
  • Olympus E-410
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  • Olympus E-450
  • Olympus E-500
  • Olympus E-510
  • Olympus E-520
  • Olympus E-600
  • Olympus E-620
  • Olympus E-M1
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  • Olympus E-M1 III
  • Olympus E-M1X
  • Olympus E-M5
  • Olympus E-M5 II
  • Olympus E-M5 III
  • Olympus E-M10
  • Olympus E-M10 II
  • Olympus E-M10 III
  • Olympus E-M10 IV
  • Olympus E-P1
  • Olympus E-P2
  • Olympus E-P3
  • Olympus E-P5
  • Olympus E-P7
  • Olympus E-PL1
  • Olympus E-PL2
  • Olympus E-PL3
  • Olympus E-PL5
  • Olympus E-PL6
  • Olympus E-PL7
  • Olympus E-PL8
  • Olympus E-PL9
  • Olympus E-PL10
  • Olympus E-PM1
  • Olympus E-PM2
  • Olympus PEN-F
  • Olympus Stylus 1
  • Olympus Stylus 1s
  • Olympus TG-4
  • Olympus TG-5
  • Olympus TG-6
  • Olympus XZ-1
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  • OM System OM-1
  • OM System OM-1 II
  • OM System OM-3
  • OM System OM-5
  • OM System OM-5 II
  • OM System TG-7
  • Panasonic FZ80
  • Panasonic FZ80D
  • Panasonic FZ100
  • Panasonic FZ150
  • Panasonic FZ200
  • Panasonic FZ300
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  • Panasonic FZ1000 II
  • Panasonic FZ2500
  • Panasonic G1
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  • Panasonic G3
  • Panasonic G5
  • Panasonic G6
  • Panasonic G7
  • Panasonic G9
  • Panasonic G9 II
  • Panasonic G10
  • Panasonic G85
  • Panasonic G97
  • Panasonic G95
  • Panasonic G100
  • Panasonic GF1
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  • Panasonic GF3
  • Panasonic GF5
  • Panasonic GF6
  • Panasonic GF7
  • Panasonic GH1
  • Panasonic GH2
  • Panasonic GH3
  • Panasonic GH4
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  • Panasonic GH5 II
  • Panasonic GH5s
  • Panasonic GH6
  • Panasonic GH7
  • Panasonic GM1
  • Panasonic GM5
  • Panasonic GX1
  • Panasonic GX7
  • Panasonic GX8
  • Panasonic GX9
  • Panasonic GX85
  • Panasonic GX850
  • Panasonic L1
  • Panasonic L10
  • Panasonic LF1
  • Panasonic LX5
  • Panasonic LX7
  • Panasonic LX10
  • Panasonic LX100
  • Panasonic LX100 II
  • Panasonic S1
  • Panasonic S1 II
  • Panasonic S1H
  • Panasonic S1R
  • Panasonic S1R II
  • Panasonic S5
  • Panasonic S5 II
  • Panasonic S9
  • Panasonic TS7
  • Panasonic ZS70
  • Panasonic ZS80
  • Panasonic ZS100
  • Panasonic ZS200
  • Pentax 645D
  • Pentax 645Z
  • Pentax K-1
  • Pentax K-1 II
  • Pentax K-3
  • Pentax K-3 II
  • Pentax K-3 III
  • Pentax K-5
  • Pentax K-5 II
  • Pentax K-30
  • Pentax K-50
  • Pentax K-70
  • Pentax K-500
  • Pentax KP
  • Pentax K-S1
  • Pentax K-S2
  • Pentax MX-1
  • Pentax Q
  • Pentax WG-8
  • Pentax WG-90
  • Pentax WG-1000
  • Ricoh GR
  • Ricoh GR II
  • Ricoh GR III
  • Ricoh GR IIIx
  • Ricoh WG-6
  • Ricoh WG-60
  • Samsung NX1
  • Samsung NX30
  • Samsung NX500
  • Sigma fp
  • Sigma fp L
  • Sony A1
  • Sony A1 II
  • Sony A7
  • Sony A7 II
  • Sony A7 III
  • Sony A7 IV
  • Sony A7C
  • Sony A7C II
  • Sony A7C R
  • Sony A7R
  • Sony A7R II
  • Sony A7R III
  • Sony A7R IIIA
  • Sony A7R IV
  • Sony A7R IVA
  • Sony A7R V
  • Sony A7S
  • Sony A7S II
  • Sony A7S III
  • Sony A9
  • Sony A9 II
  • Sony A9 III
  • Sony A58
  • Sony A68
  • Sony A77
  • Sony A77 II
  • Sony A99
  • Sony A99 II
  • Sony A850
  • Sony A900
  • Sony A3000
  • Sony A5000
  • Sony A5100
  • Sony A6000
  • Sony A6100
  • Sony A6300
  • Sony A6400
  • Sony A6500
  • Sony A6600
  • Sony A6700
  • Sony H200
  • Sony H300
  • Sony H400
  • Sony HX80
  • Sony HX90V
  • Sony HX95
  • Sony HX99
  • Sony HX350
  • Sony HX400V
  • Sony NEX-3
  • Sony NEX-3N
  • Sony NEX-5
  • Sony NEX-5N
  • Sony NEX-5R
  • Sony NEX-5T
  • Sony NEX-6
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  • Sony NEX-C3
  • Sony NEX-F3
  • Sony RX0
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  • Sony RX1
  • Sony RX1R
  • Sony RX1R II
  • Sony RX1R III
  • Sony RX10
  • Sony RX10 II
  • Sony RX10 III
  • Sony RX10 IV
  • Sony RX100
  • Sony RX100 II
  • Sony RX100 III
  • Sony RX100 IV
  • Sony RX100 V
  • Sony RX100 VI
  • Sony RX100 VII
  • Sony WX800
  • Sony ZV-1
  • Sony ZV-1 II
  • Sony ZV-1F
  • Sony ZV-E1
  • Sony ZV-E10
  • Sony ZV-E10 II
  • YI M1
  • Zeiss ZX1
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Specifications: Epson R-D1 vs Pentax K-70

Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

Camera Specifications
Camera Model Epson R-D1 Pentax K-70
Camera Type Rangefinder camera Digital single lens reflex
Camera Lens Leica M mount lenses Pentax K mount lenses
Launch Date March 2004 June 2016
Launch Price USD 2,999 USD 649
Sensor Specs Epson R-D1 Pentax K-70
Sensor Technology CCD CMOS
Sensor Format APS-C Sensor APS-C Sensor
Sensor Size 23.7 x 15.6 mm 23.5 x 15.6 mm
Sensor Area 369.72 mm2 366.6 mm2
Sensor Diagonal 28.4 mm 28.2 mm
Crop Factor 1.5x 1.5x
Sensor Resolution 6 Megapixels 24 Megapixels
Image Resolution 3008 x 2000 pixels 6000 x 4000 pixels
Pixel Pitch 7.85 μm 3.91 μm
Pixel Density 1.63 MP/cm2 6.55 MP/cm2
Moiré control Anti-Alias filter no AA filter
Movie Capability no Video 1080/60i Video
ISO Setting 200 - 1,600 ISO 100 - 102,400 ISO
Screen Specs Epson R-D1 Pentax K-70
Viewfinder Type Optical viewfinder Optical viewfinder
Viewfinder Field of View 100% 100%
Viewfinder Magnification 0.63x
LCD Framing Live View
Rear LCD Size 2.0inch 3.0inch
LCD Resolution 235k dots 921k dots
LCD Attachment Fixed screen Swivel screen
Shooting Specs Epson R-D1 Pentax K-70
Focus System Manual Focus Phase-detect AF
Manual Focusing Aidno Peaking FeatureFocus Peaking
Max Shutter Speed (mechanical) 1/2000s 1/6000s
Continuous Shooting 1 shutter flaps/s 6 shutter flaps/s
Time-Lapse Photographyno IntervalometerIntervalometer built-in
Image Stabilizationno shake reductionIn-body stabilization
Fill Flash no On-Board Flash Built-in Flash
Storage Medium SDHC cards SDXC cards
Single or Dual Card Slots Single card slot Single card slot
UHS card support no UHS-I
Connectivity Specs Epson R-D1 Pentax K-70
External Flash Hotshoe Hotshoe
Studio Flash PC Sync socket no PC Sync
USB Connector no USB USB 2.0
HDMI Port no HDMI mini HDMI
Microphone Port no MIC socket External MIC port
Wifi Support no Wifi Wifi built-in
Body Specs Epson R-D1 Pentax K-70
Environmental Sealingnot weather sealedWeathersealed body
Battery Type Epson EU-85 Pentax D-LI109
Body Dimensions 142 x 89 x 40 mm
(5.6 x 3.5 x 1.6 in)
126 x 93 x 74 mm
(5.0 x 3.7 x 2.9 in)
Camera Weight 620 g (21.9 oz) 688 g (24.3 oz)
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