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Canon SX620 vs Epson R-D1

The Canon PowerShot SX620 HS and the Epson R-D1 are two digital cameras that were officially introduced, respectively, in May 2016 and March 2004. The SX620 is a fixed lens compact, while the R-D1 is a rangefinder-style mirrorless. The cameras are based on a 1/2.3-inch (SX620) and an APS-C (R-D1) sensor. The Canon has a resolution of 20.2 megapixels, whereas the Epson provides 6 MP.

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

Headline Specifications
Canon SX620 versus Epson R-D1
Canon SX620 Epson R-D1
Fixed lens compact camera Rangefinder camera
25-625mm f/3.2-6.6 Leica M mount lenses
20.2 MP, 1/2.3" Sensor 6 MP, APS-C Sensor
1080/30p Video no Video
ISO 80-3,200 ISO 200-1,600
No viewfinder, LCD framing Optical viewfinder
3.0 LCD, 922k dots 2.0 LCD, 235k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
2.5 shutter flaps per second 1 shutter flaps per second
97 x 57 x 28 mm, 182 g 142 x 89 x 40 mm, 620 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX620 HS and the Epson R-D1? 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.

Body comparison

An illustration of the physical size and weight of the Canon SX620 and the Epson R-D1 is provided in the side-by-side display below. 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 width, height and depth dimensions are rounded to the nearest millimeter.

The SX620 can be obtained in three different colors (black, silver, red), while the R-D1 is only available in black.

Size Canon SX620 vs Epson R-D1
Compare SX620 versus R-D1 top
Comparison SX620 or R-D1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Epson R-D1 is considerably larger (129 percent) than the Canon SX620. In this context, it is worth noting that neither the SX620 nor the R-D1 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX620 has a lens built in, whereas the R-D1 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the R-D1 and their specifications in the Leica M Lens Catalog.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon SX620 3.8 in 2.2 in 1.1 in 6.4 oz 295 n May 2016 279 i
 
Epson R-D1 5.6 in 3.5 in 1.6 in 21.9 oz .. n Mar 2004 2,999i
 
Canon G9 X Mark II 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i
 
Canon SX730 4.3 in 2.5 in 1.6 in 10.6 oz 250 n Apr 2017 399i
 
Canon SX420 4.1 in 2.7 in 3.3 in 11.5 oz 195 n Jan 2016 299 i
 
Canon SX540 4.7 in 3.2 in 3.6 in 15.6 oz 205 n Jan 2016 399 i
 
Canon SX720 4.3 in 2.5 in 1.4 in 9.5 oz 250 n Feb 2016 379i
 
Canon G9 X 3.9 in 2.3 in 1.2 in 7.4 oz 220 n Oct 2015 529i
 
Canon SX410 4.1 in 2.7 in 3.3 in 11.5 oz 185 n Feb 2015 279i
 
Canon SX610 4.1 in 2.4 in 1.1 in 6.7 oz 270 n Jan 2015 249i
 
Canon SX710 4.4 in 2.6 in 1.4 in 9.5 oz 230 n Jan 2015 349i
 
Canon SX600 4.1 in 2.4 in 1.0 in 6.6 oz 290 n Jan 2014 249i
 
Canon Rebel 5.6 in 3.9 in 2.8 in 22.9 oz 400 n Aug 2003 899i
 
Leica X Vario 5.2 in 2.9 in 3.7 in 24.0 oz 450 n Jun 2013 2,850i
 
Nikon D50 5.2 in 4.0 in 3.0 in 21.9 oz 400 n Apr 2005 749i
 
Nikon D70s 5.5 in 4.4 in 3.1 in 24.0 oz 500 n Apr 2005 899i
 
Nikon D70 5.5 in 4.4 in 3.1 in 24.0 oz 400 n Jan 2004 999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The SX620 was launched at a lower price than the R-D1, despite having a lens built in. 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. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon SX620 features a 1/2.3-inch sensor and the Epson R-D1 an APS-C sensor. The sensor area in the R-D1 is 1221 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.5. The sensor in the SX620 has a native 4:3 aspect ratio, while the one in the R-D1 offers a 3:2 aspect.

Canon SX620 and Epson R-D1 sensor measures

Despite having a smaller sensor, the Canon SX620 offers a higher resolution of 20.2 megapixels, compared with 6 MP of the Epson 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 1.18μm versus 7.85μm for the R-D1). However, it should be noted that the SX620 is much more recent (by 12 years and 2 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 SX620 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon SX620 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SX620 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 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 Canon PowerShot SX620 HS has a native sensitivity range from ISO 80 to ISO 3200. The corresponding ISO settings for the Epson R-D1 are ISO 200 to ISO 1600 (no boost).

SX620 versus R-D1 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon SX620 1/2.3 20.2 5184 38881080/30p........
 
Epson R-D1 APS-C 6.0 3008 2000none........
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
 
Canon SX730 1/2.3 20.2 5184 38881080/60p........
 
Canon SX420 1/2.3 19.9 5152 3864720/25p........
 
Canon SX540 1/2.3 20.2 5184 38881080/60p........
 
Canon SX720 1/2.3 20.2 5184 38881080/60p........
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
 
Canon SX410 1/2.3 19.9 5152 3864720/30p........
 
Canon SX610 1/2.3 20.2 5184 38881080/30p........
 
Canon SX710 1/2.3 20.2 5184 38881080/60p........
 
Canon SX600 1/2.3 15.9 4608 34561080/30p........
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455
 
Leica X Vario APS-C 16.1 4928 32721080/30p23.412.7132078
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
 
Nikon D70 APS-C 6.0 3008 2000none20.410.352950

Many modern cameras cannot only take still pictures, but also record videos. The SX620 indeed provides movie recording capabilities, while the R-D1 does not. The highest resolution format that the SX620 can use is 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the R-D1 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the SX620 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Canon SX620 and Epson R-D1 along with similar information for a selection of comparators.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Canon SX620none n 3.0 922 fixed n 1/2000s 2.5 Y Y
 
Epson R-D1optical n 2.0 235 fixed n 1/2000s 1.0 n n
 
Canon G9 X Mark IInone n 3.0 1040 fixed Y 1/2000s 8.2 Y Y
 
Canon SX730none n 3.0 922 tilting n 1/3200s 5.9 Y Y
 
Canon SX420none n 3.0 230 fixed n 1/4000s 0.5 Y Y
 
Canon SX540none n 3.0 461 fixed n 1/2000s 5.9 Y Y
 
Canon SX720none n 3.0 922 fixed n 1/3200s 5.9 Y Y
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
 
Canon SX410none n 3.0 230 fixed n 1/4000s 0.5 Y Y
 
Canon SX610none n 3.0 922 fixed n 1/2000s 2.5 Y Y
 
Canon SX710none n 3.0 922 fixed n 1/3200s 6.0 Y Y
 
Canon SX600none n 3.0 461 fixed n 1/2000s 3.9 Y Y
 
Canon Rebeloptical n 1.8 118 fixed n 1/4000s 2.5 Y n
 
Leica X Variooptional n 3.0 920 fixed n 1/2000s 5.0 Y n
 
Nikon D50optical n 2.0 130 fixed n 1/4000s 2.5 Y n
 
Nikon D70soptical n 2.0 130 fixed n 1/8000s 3.0 Y n
 
Nikon D70optical n 1.8 130 fixed n 1/8000s 3.0 Y n

One difference between the cameras concerns the presence of an on-board flash. The SX620 has one, while the R-D1 does not. While the built-in flash of the SX620 is not very powerful, it can at times be useful as a fill-in light.

The SX620 writes its imaging data to SDXC cards, while the R-D1 uses SDHC 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 Canon PowerShot SX620 HS and Epson R-D1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon SX620-monomono--micro2.0YY-
 
Epson R-D1Y---------
 
Canon G9 X Mark II-stereomono--micro2.0YYY
 
Canon SX730-stereomono--micro2.0YYY
 
Canon SX420-monomono---2.0YY-
 
Canon SX540-stereomono--mini2.0YY-
 
Canon SX720-stereomono--micro2.0YY-
 
Canon G9 X-stereomono--micro2.0YY-
 
Canon SX410-stereomono---2.0---
 
Canon SX610-----micro2.0YY-
 
Canon SX710-stereomono--micro2.0YY-
 
Canon SX600-monomono--micro2.0YY-
 
Canon RebelY-----1.1---
 
Leica X VarioYstereomono--mini2.0---
 
Nikon D50Y-----2.0---
 
Nikon D70sY-----2.0---
 
Nikon D70Y-----1.0---

It is notable that the SX620 offers wifi support, while the R-D1 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Epson R-D1 (unlike the SX620) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The SX620 is a recent model that features in the current product line-up of Canon. In contrast, the R-D1 has been discontinued (but can be found pre-owned on eBay). There has not been a direct replacement model for the R-D1 from Epson. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Epson websites.

Review summary

So what is the bottom line? Which of the two cameras – the Canon SX620 or the Epson R-D1 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon PowerShot SX620 HS:

  • More detail: Offers more megapixels (20.2 vs 6MP) with a 79% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • 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 (922k vs 235k dots).
  • Faster burst: Shoots at higher frequency (2.5 vs 1 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has a lens built-in, whereas the R-D1 requires a separate lens.
  • More compact: Is smaller (97x57mm vs 142x89mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the R-D1).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 12 years and 2 months of technical progress since the R-D1 launch.

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Arguments in favor of the Epson R-D1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More flexible: Takes interchangeable lenses and can thus be used with different optics.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in March 2004).

If the count of relative strengths (bullet points above) is taken as a measure, the SX620 is the clear winner of the match-up (15 : 10 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.

SX620 15:10 R-D1

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the SX620 or the R-D1. 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 adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon SX620........4/5 May 2016 279 i
 
Epson R-D1.......... Mar 2004 2,999i
 
Canon G9 X Mark II..75/1004.5/54.5/54.5/5 Jan 2017 529 i
 
Canon SX730+..4/5..4/5 Apr 2017 399i
 
Canon SX420........3/5 Jan 2016 299 i
 
Canon SX540.......... Jan 2016 399 i
 
Canon SX720+..4/5..4.5/5 Feb 2016 379i
 
Canon G9 X+ +..4.5/54/54.5/5 Oct 2015 529i
 
Canon SX410o........ Feb 2015 279i
 
Canon SX610....4/5..4/5 Jan 2015 249i
 
Canon SX710+..4/5..3.5/5 Jan 2015 349i
 
Canon SX600+..4/5..4/5 Jan 2014 249i
 
Canon Rebel..+ +..o.. Aug 2003 899i
 
Leica X Vario....4/54/54/5 Jun 2013 2,850i
 
Nikon D5078/100+ +4/5o4.5/5 Apr 2005 749i
 
Nikon D70s......o5/5 Apr 2005 899i
 
Nikon D70..+ +..o.. Jan 2004 999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon SX620:
Check Amazon price
Epson R-D1:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon SX620 vs Epson R-D1

    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 Canon SX620 Epson R-D1
    Camera Type Fixed lens compact camera Rangefinder camera
    Camera Lens 25-625mm f/3.2-6.6 Leica M mount lenses
    Launch Date May 2016 March 2004
    Launch Price USD 279 USD 2,999
    Sensor Specs Canon SX620 Epson R-D1
    Sensor Technology BSI-CMOS CCD
    Sensor Format 1/2.3" Sensor APS-C Sensor
    Sensor Size 6.17 x 4.55 mm 23.7 x 15.6 mm
    Sensor Area 28.0735 mm2 369.72 mm2
    Sensor Diagonal 7.7 mm 28.4 mm
    Crop Factor 5.6x 1.5x
    Sensor Resolution 20.2 Megapixels 6 Megapixels
    Image Resolution 5184 x 3888 pixels 3008 x 2000 pixels
    Pixel Pitch 1.18 μm 7.85 μm
    Pixel Density 71.80 MP/cm2 1.63 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 80 - 3,200 ISO 200 - 1,600 ISO
    Screen Specs Canon SX620 Epson R-D1
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification
    LCD Framing Live View
    Rear LCD Size 3.0inch 2.0inch
    LCD Resolution 922k dots 235k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon SX620 Epson R-D1
    Focus System Contrast-detect AF Manual Focus
    Continuous Shooting 2.5 shutter flaps/s 1 shutter flaps/s
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDHC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Canon SX620 Epson R-D1
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 no USB
    HDMI Port micro HDMI no HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Canon SX620 Epson R-D1
    Battery Type NB-13L EU-85
    Body Dimensions 97 x 57 x 28 mm
    (3.8 x 2.2 x 1.1 in)
    142 x 89 x 40 mm
    (5.6 x 3.5 x 1.6 in)
    Camera Weight 182 g (6.4 oz) 620 g (21.9 oz)

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