Epson R-D1 vs Pentax K-3 II
The Epson R-D1 and the Pentax K-3 II are two enthusiast cameras that were announced, respectively, in March 2004 and April 2015. The R-D1 is a rangefinder-style mirrorless camera, while the K-3 II is a DSLR. Both cameras are equipped with an APS-C sensor. The Epson has a resolution of 6 megapixels, whereas the Pentax provides 24.1 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Epson R-D1||Pentax K-3 II|
|Rangefinder camera||Digital single lens reflex|
|Leica M mount lenses||Pentax K mount lenses|
|6 MP, APS-C Sensor||24.1 MP, APS-C Sensor|
|no Video||1080/60i Video|
|ISO 200-1600||ISO 100-51200|
|Optical viewfinder||Optical viewfinder|
|2.0" LCD, 235k dots||3.2" LCD, 1037k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|1 shutter flaps per second||8.3 shutter flaps per second|
|No shake reduction||In-body stabilization|
|Not weather sealed||Weathersealed body|
|142 x 89 x 40 mm, 620 g||131 x 100 x 77 mm, 800 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Epson R-D1 and the Pentax K-3 II? 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.
The side-by-side display below illustrates the physical size and weight of the Epson R-D1 and the Pentax K-3 II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.
The K-3 II can be obtained in two different colors (black, silver), while the R-D1 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 II is somewhat larger (4 percent) than the Epson R-D1. Moreover, the K-3 II is markedly heavier (29 percent) than the R-D1. It is noteworthy in this context that the K-3 II 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 table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|Epson R-D1»||5.6 in||3.5 in||1.6 in||21.9 oz||..||n||Mar 2004||2,999||-||Epson R-D1|
|Pentax K-3 II«||5.2 in||3.9 in||3.0 in||28.2 oz||720||Y||Apr 2015||1,099||Pentax K-3 II|
|Canon 80D« »||5.5 in||4.1 in||3.1 in||25.8 oz||960||Y||Feb 2016||1,199||-||Canon 80D|
|Canon Rebel« »||5.6 in||3.9 in||2.8 in||22.9 oz||400||n||Aug 2003||899||-||Canon Rebel|
|Leica CL« »||5.2 in||3.1 in||1.8 in||14.2 oz||220||n||Nov 2017||2,795||Leica CL|
|Leica M10« »||5.5 in||3.1 in||1.5 in||23.3 oz||210||Y||Jan 2017||6,595||Leica M10|
|Leica X-U Typ 113« »||5.5 in||3.1 in||3.5 in||22.4 oz||450||Y||Jan 2016||2,950||Leica X-U Typ 113|
|Leica X Vario« »||5.2 in||2.9 in||3.7 in||24.0 oz||450||n||Jun 2013||2,850||Leica X Vario|
|Leica M9« »||5.5 in||3.1 in||1.5 in||20.6 oz||..||n||Sep 2009||7,999||-||Leica M9|
|Nikon D40« »||4.9 in||3.7 in||2.5 in||18.4 oz||470||n||Nov 2006||499||-||Nikon D40|
|Nikon D50« »||5.2 in||4.0 in||3.0 in||21.9 oz||400||n||Apr 2005||749||-||Nikon D50|
|Nikon D70s« »||5.5 in||4.4 in||3.1 in||24.0 oz||500||n||Apr 2005||899||-||Nikon D70s|
|Nikon D70« »||5.5 in||4.4 in||3.1 in||24.0 oz||400||n||Jan 2004||999||-||Nikon D70|
|Pentax KP« »||5.2 in||4.0 in||3.0 in||24.8 oz||390||Y||Jan 2017||1,099||Pentax KP|
|Pentax K-70« »||5.0 in||3.7 in||2.9 in||24.3 oz||410||Y||Jun 2016||649||Pentax K-70|
|Pentax K-3« »||5.2 in||3.9 in||3.0 in||28.2 oz||560||Y||Oct 2013||1,299||-||Pentax K-3|
|Pentax K-5« »||5.2 in||3.8 in||2.9 in||26.8 oz||740||Y||Sep 2010||1,099||-||Pentax K-5|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. 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-3 II was launched at a markedly lower price (by 63 percent) than the R-D1, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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-3 II 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.
Despite having a slightly smaller sensor, the K-3 II offers a higher resolution of 24.1 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 3.90μm versus 7.85μm for the R-D1). However, it should be noted that the K-3 II is much more recent (by 11 years and 1 month) 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-3 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Pentax K-3 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 II for good quality output (200 dots per inch) amounts to 30.1 x 20 inch or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inch or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inch or 50.9 x 33.9 cm. The corresponding values for the Epson R-D1 are 15 x 10 inch or 38.2 x 25.4 cm for good quality, 12 x 8 inch or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inch or 25.5 x 16.9 cm for excellent quality prints.
Unlike the R-D1, the K-3 II 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-3 II are ISO 100 to ISO 51200 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Epson R-D1»||APS-C||6.0||3008||2000||-||-||-||-||-||Epson R-D1|
|Pentax K-3 II«||APS-C||24.1||6016||4000||1080/60i||23.6||13.6||1106||80||Pentax K-3 II|
|Canon 80D« »||APS-C||24.0||6000||4000||1080/60p||23.6||13.2||1135||79||Canon 80D|
|Canon Rebel« »||APS-C||6.3||3072||2048||-||21.0||10.8||544||55||Canon Rebel|
|Leica CL« »||APS-C||24.1||6014||4014||4K/30p||-||-||-||-||Leica CL|
|Leica M10« »||Full Frame||23.8||5952||3992||-||24.4||13.2||2133||86||Leica M10|
|Leica X-U Typ 113« »||APS-C||16.1||4928||3264||1080/30p||-||-||-||-||Leica X-U Typ 113|
|Leica X Vario« »||APS-C||16.1||4928||3272||1080/30p||23.4||12.7||1320||78||Leica X Vario|
|Leica M9« »||Full Frame||18.1||5212||3472||-||22.5||11.7||884||69||Leica M9|
|Nikon D40« »||APS-C||6.0||3008||2000||-||21.0||11.0||561||56||Nikon D40|
|Nikon D50« »||APS-C||6.0||3008||2000||-||20.9||10.8||560||55||Nikon D50|
|Nikon D70s« »||APS-C||6.0||3008||2000||-||20.4||10.3||529||50||Nikon D70s|
|Nikon D70« »||APS-C||6.0||3008||2000||-||20.4||10.3||529||50||Nikon D70|
|Pentax KP« »||APS-C||24.1||6016||4000||1080/60i||-||-||-||-||Pentax KP|
|Pentax K-70« »||APS-C||24.0||6000||4000||1080/60i||-||-||-||-||Pentax K-70|
|Pentax K-3« »||APS-C||24.1||6016||4000||1080/60i||23.7||13.4||1216||80||Pentax K-3|
|Pentax K-5« »||APS-C||16.1||4928||3264||1080/25p||23.7||14.1||1162||82||Pentax K-5|
Many modern cameras cannot only take still pictures, but also record videos. The K-3 II indeed provides for movie recording, while the R-D1 does not. The highest resolution format that the K-3 II can use is 1080/60i.
Apart from body and sensor, cameras can and do differ across a range of features. The R-D1 and the K-3 II 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 following table reports on some other key feature differences and similarities of the Epson R-D1, the Pentax K-3 II, and comparable cameras.
|Epson R-D1»||optical||n||2.0||235||fixed||n||1/2000s||1.0||n||n||Epson R-D1|
|Pentax K-3 II«||optical||Y||3.2||1037||fixed||n||1/8000s||8.3||n||Y||Pentax K-3 II|
|Canon 80D« »||optical||Y||3.0||1040||swivel||Y||1/8000s||7.0||Y||n||Canon 80D|
|Canon Rebel« »||optical||n||1.8||118||fixed||n||1/4000s||2.5||Y||n||Canon Rebel|
|Leica CL« »||2360||Y||3.0||1040||fixed||Y||1/8000s||10.0||n||n||Leica CL|
|Leica M10« »||optical||n||3.0||1037||fixed||n||1/4000s||5.0||n||n||Leica M10|
|Leica X-U Typ 113« »||-||n||3.0||920||fixed||n||1/2000s||5.0||Y||n||Leica X-U Typ 113|
|Leica X Vario« »||-||n||3.0||920||fixed||n||1/2000s||5.0||Y||n||Leica X Vario|
|Leica M9« »||optical||n||2.5||230||fixed||n||1/4000s||2.0||n||n||Leica M9|
|Nikon D40« »||optical||n||2.5||230||fixed||n||1/4000s||2.5||Y||n||Nikon D40|
|Nikon D50« »||optical||n||2.0||130||fixed||n||1/4000s||2.5||Y||n||Nikon D50|
|Nikon D70s« »||optical||n||2.0||130||fixed||n||1/8000s||3.0||Y||n||Nikon D70s|
|Nikon D70« »||optical||n||1.8||130||fixed||n||1/8000s||3.0||Y||n||Nikon D70|
|Pentax KP« »||optical||n||3.0||921||tilting||n||1/6000s||7.0||Y||Y||Pentax KP|
|Pentax K-70« »||optical||n||3.0||921||swivel||n||1/6000s||6.0||Y||Y||Pentax K-70|
|Pentax K-3« »||optical||Y||3.2||1037||fixed||n||1/8000s||8.3||Y||Y||Pentax K-3|
|Pentax K-5« »||optical||Y||3.0||921||fixed||n||1/8000s||7.0||Y||Y||Pentax K-5|
One feature that is present on the K-3 II, but is missing on the R-D1 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.
The Pentax K-3 II 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-3 II uses SDXC cards. The K-3 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the R-D1 only has one slot. The K-3 II 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.
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-3 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Epson R-D1»||Y||-||-||-||-||-||-||-||-||-||Epson R-D1|
|Pentax K-3 II«||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Pentax K-3 II|
|Canon 80D« »||Y||stereo||mono||Y||Y||mini||2.0||Y||Y||-||Canon 80D|
|Canon Rebel« »||Y||-||-||-||-||-||1.1||-||-||-||Canon Rebel|
|Leica CL« »||Y||stereo||mono||-||-||-||-||Y||-||-||Leica CL|
|Leica M10« »||Y||-||-||-||-||-||-||Y||-||-||Leica M10|
|Leica X-U Typ 113« »||Y||stereo||mono||-||-||-||2.0||-||-||-||Leica X-U Typ 113|
|Leica X Vario« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Leica X Vario|
|Leica M9« »||Y||-||-||-||-||-||2.0||-||-||-||Leica M9|
|Nikon D40« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D40|
|Nikon D50« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D50|
|Nikon D70s« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D70s|
|Nikon D70« »||Y||-||-||-||-||-||1.0||-||-||-||Nikon D70|
|Pentax KP« »||Y||stereo||mono||Y||-||-||2.0||Y||-||-||Pentax KP|
|Pentax K-70« »||Y||stereo||mono||Y||-||mini||2.0||Y||-||-||Pentax K-70|
|Pentax K-3« »||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Pentax K-3|
|Pentax K-5« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Pentax K-5|
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Travel and landscape photographers will find it useful that the K-3 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The K-3 II is a recent model that features in the current product line-up of Pentax. In contrast, the R-D1 has been discontinued (but it 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 Epson and Pentax websites.
So how do things add up? Is the Epson R-D1 better than the Pentax K-3 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer 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 180g or 22 percent) and hence easier to carry around.
- More heavily discounted: Has been available for much longer (launched in March 2004).
Arguments in favor of the Pentax K-3 II:
- More detail: Has more megapixels (24.1 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.
- Easier setting verification: Features a control panel on top to check shooting parameters.
- Larger screen: Has a bigger rear LCD (3.2" vs 2.0") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1037k vs 235k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
- Faster burst: Shoots at higher frequency (8.3 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 geotagging: Features an internal GPS sensor to log localization data.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More affordable: Was introduced into a lower priced category (63 percent cheaper at launch).
- More modern: Reflects 11 years and 1 month of technical progress since the R-D1 launch.
If the number of relative strengths (bullet points above) is taken as a guide, the K-3 II is the clear winner of the contest (17 : 3 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the R-D1 or the K-3 II perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is why hands-on reviews by experts are important. 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.
|Epson R-D1»||-||-||-||-||-||Mar 2004||2,999||-||Epson R-D1|
|Pentax K-3 II«||-||-||5/5||4.5/5||5/5||Apr 2015||1,099||Pentax K-3 II|
|Canon 80D« »||+ +||84/100||4.5/5||4.5/5||4.5/5||Feb 2016||1,199||-||Canon 80D|
|Canon Rebel« »||-||+ +||-||o||-||Aug 2003||899||-||Canon Rebel|
|Leica CL« »||-||-||-||-||4/5||Nov 2017||2,795||Leica CL|
|Leica M10« »||-||-||4/5||-||4.5/5||Jan 2017||6,595||Leica M10|
|Leica X-U Typ 113« »||-||-||-||-||3.5/5||Jan 2016||2,950||Leica X-U Typ 113|
|Leica X Vario« »||-||-||4/5||4/5||4/5||Jun 2013||2,850||Leica X Vario|
|Leica M9« »||-||-||4.5/5||4.5/5||-||Sep 2009||7,999||-||Leica M9|
|Nikon D40« »||81/100||+ +||o||5/5||4.5/5||Nov 2006||499||-||Nikon D40|
|Nikon D50« »||78/100||+ +||4/5||o||4.5/5||Apr 2005||749||-||Nikon D50|
|Nikon D70s« »||-||-||-||o||5/5||Apr 2005||899||-||Nikon D70s|
|Nikon D70« »||-||+ +||-||o||-||Jan 2004||999||-||Nikon D70|
|Pentax KP« »||-||82/100||5/5||-||4.5/5||Jan 2017||1,099||Pentax KP|
|Pentax K-70« »||-||79/100||4.5/5||4/5||4.5/5||Jun 2016||649||Pentax K-70|
|Pentax K-3« »||-||83/100||5/5||4.5/5||5/5||Oct 2013||1,299||-||Pentax K-3|
|Pentax K-5« »||-||83/100||5/5||4.5/5||4.5/5||Sep 2010||1,099||-||Pentax K-5|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 400D vs Epson R-D1
- Epson R-D1 vs Fujifilm X-A5
- Epson R-D1 vs Fujifilm X20
- Fujifilm GFX 50S vs Pentax K-3 II
- Fujifilm X-A7 vs Pentax K-3 II
- Fujifilm X70 vs Pentax K-3 II
- Fujifilm XP120 vs Pentax K-3 II
- Hasselblad X1D II vs Pentax K-3 II
- Leica M9 vs Pentax K-3 II
- Leica TL vs Pentax K-3 II
- Pentax K-3 II vs Pentax KP
- Pentax K-3 II vs Sony NEX-5
Specifications: Epson R-D1 vs Pentax K-3 II
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 Model||Epson R-D1||Pentax K-3 II|
|Camera Type||Rangefinder camera||Digital single lens reflex|
|Camera Lens||Leica M mount lenses||Pentax K mount lenses|
|Launch Date||March 2004||April 2015|
|Launch Price||USD 2999||USD 1099|
|Sensor Specs||Epson R-D1||Pentax K-3 II|
|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|
|Sensor Resolution||6 Megapixels||24.1 Megapixels|
|Image Resolution||3008 x 2000 pixels||6016 x 4000 pixels|
|Pixel Pitch||7.85 μm||3.90 μm|
|Pixel Density||1.63 MP/cm2||6.56 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||no Video||1080/60i Video|
|ISO Setting||200-1600 ISO||100-51200 ISO|
|DXO Sensor Quality (score)||..||80|
|DXO Color Depth (bits)||..||23.6|
|DXO Dynamic Range (EV)||..||13.6|
|DXO Low Light (ISO)||..||1106|
|Screen Specs||Epson R-D1||Pentax K-3 II|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||100%|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View|
|Rear LCD Size||2.0 inch||3.2 inch|
|LCD Resolution||235k dots||1037k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Epson R-D1||Pentax K-3 II|
|Autofocus System||Contrast-detect AF||Phase-detect AF|
|Manual Focusing Aid||No Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/2000/s||1/8000/s|
|Continuous Shooting||1 shutter flaps/s||8.3 shutter flaps/s|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||No shake reduction||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||SDHC cards||SDXC cards|
|Second Storage Option||Single card slot||Dual card slots|
|UHS card support||no||UHS-I|
|Connectivity Specs||Epson R-D1||Pentax K-3 II|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB no||USB 3.0|
|HDMI Port||no HDMI||mini HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||no Wifi|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Epson R-D1||Pentax K-3 II|
|Environmental Sealing||Not weather sealed||Weathersealed body|
142 x 89 x 40 mm
(5.6 x 3.5 x 1.6 in)
131 x 100 x 77 mm
(5.2 x 3.9 x 3.0 in)
|Camera Weight||620 g (21.9 oz)||800 g (28.2 oz)|
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