Canon 5D Mark III vs Epson R-D1
The Canon EOS 5D Mark III and the Epson R-D1 are two digital cameras that were announced, respectively, in March 2012 and March 2004. The 5D Mark III is a DSLR, while the R-D1 is a rangefinder-style mirrorless camera. The cameras are based on a full frame (5D Mark III) and an APS-C (R-D1) sensor. The Canon has a resolution of 22.1 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.
|Canon 5D Mark III||Epson R-D1|
|Digital single lens reflex||Rangefinder camera|
|Canon EF mount lenses||Leica M mount lenses|
|22.1 MP, Full Frame Sensor||6 MP, APS-C Sensor|
|1080/30p Video||no Video|
|ISO 100-25,600 (50 - 102,400)||ISO 200-1,600|
|Optical viewfinder||Optical viewfinder|
|3.2 LCD, 1040k dots||2.0 LCD, 235k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|6 shutter flaps per second||1 shutter flaps per second|
|Weathersealed body||not weather sealed|
|152 x 116 x 76 mm, 950 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 EOS 5D Mark III 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.
The physical size and weight of the Canon 5D Mark III and the Epson R-D1 are illustrated in the side-by-side display below. 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 measures are rounded to the nearest millimeter.
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 notably smaller (28 percent) than the Canon 5D Mark III. Moreover, the R-D1 is substantially lighter (35 percent) than the 5D Mark III. It is worth mentioning in this context that the 5D Mark III is splash and dust resistant, 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (5D Mark III) and the Leica M Lens Catalog (R-D1).
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, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.
|Canon 5D Mark III||6.0 in||4.6 in||3.0 in||33.5 oz||950||Y||Mar 2012||3,499|
|Epson R-D1||5.6 in||3.5 in||1.6 in||21.9 oz||..||n||Mar 2004||2,999|
|Canon 5D Mark IV||5.9 in||4.6 in||3.0 in||31.4 oz||900||Y||Aug 2016||3,499|
|Canon 5DS||6.0 in||4.6 in||3.0 in||32.8 oz||700||Y||Feb 2015||3,699|
|Canon 5DS R||6.0 in||4.6 in||3.0 in||32.8 oz||700||Y||Feb 2015||3,699|
|Canon 6D||5.7 in||4.4 in||2.8 in||27.2 oz||1090||Y||Sep 2012||2,099|
|Canon 5D Mark II||6.0 in||4.5 in||3.0 in||30.0 oz||850||Y||Sep 2008||3,499|
|Canon 5D||6.0 in||4.4 in||3.0 in||31.6 oz||400||Y||Aug 2005||3,299|
|Canon Rebel||5.6 in||3.9 in||2.8 in||22.9 oz||400||n||Aug 2003||899|
|Leica X Vario||5.2 in||2.9 in||3.7 in||24.0 oz||450||n||Jun 2013||2,850|
|Nikon D610||5.6 in||4.4 in||3.2 in||30.0 oz||900||Y||Oct 2013||1,999|
|Nikon D600||5.6 in||4.4 in||3.2 in||30.0 oz||900||Y||Sep 2012||2,099|
|Nikon D800||5.7 in||4.8 in||3.2 in||35.3 oz||900||Y||Feb 2012||2,999|
|Nikon D800E||5.7 in||4.8 in||3.2 in||35.3 oz||900||Y||Feb 2012||3,299|
|Nikon D50||5.2 in||4.0 in||3.0 in||21.9 oz||400||n||Apr 2005||749|
|Nikon D70s||5.5 in||4.4 in||3.1 in||24.0 oz||500||n||Apr 2005||899|
|Nikon D70||5.5 in||4.4 in||3.1 in||24.0 oz||400||n||Jan 2004||999|
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.
Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The R-D1 was launched at a somewhat lower price (by 14 percent) than the 5D Mark III, which makes it more attractive for photographers on a tight budget. 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.
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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 5D Mark III features a full frame sensor and the Epson R-D1 an APS-C sensor. The sensor area in the R-D1 is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 22.1MP, the 5D Mark III offers a higher resolution than the R-D1 (6MP), but the 5D Mark III has smaller individual pixels (pixel pitch of 6.25μm versus 7.85μm for the R-D1). However, the 5D Mark III is a much more recent model (by 7 years and 11 months) than the R-D1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.
The resolution advantage of the Canon 5D Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark III for good quality output (200 dots per inch) amounts to 28.8 x 19.2 inches or 73.2 x 48.8 cm, for very good quality (250 dpi) 23 x 15.4 inches or 58.5 x 39 cm, and for excellent quality (300 dpi) 19.2 x 12.8 inches or 48.8 x 32.5 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 EOS 5D Mark III has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Epson R-D1 are ISO 200 to ISO 1600 (no boost).
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.
|Canon 5D Mark III||Full Frame||22.1||5760||3840||1080/30p||24.0||11.7||2293||81|
|Canon 5D Mark IV||Full Frame||30.1||6720||4480||4K/30p||24.8||13.6||2995||91|
|Canon 5DS||Full Frame||50.3||8688||5792||1080/30p||24.7||12.4||2381||87|
|Canon 5DS R||Full Frame||50.3||8688||5792||1080/30p||24.6||12.4||2308||86|
|Canon 6D||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82|
|Canon 5D Mark II||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79|
|Canon 5D||Full Frame||12.7||4368||2912||none||22.9||11.1||1368||71|
|Leica X Vario||APS-C||16.1||4928||3272||1080/30p||23.4||12.7||1320||78|
|Nikon D610||Full Frame||24.2||6016||4016||1080/30p||25.1||14.4||2925||94|
|Nikon D600||Full Frame||24.2||6016||4016||1080/30p||25.1||14.2||2980||94|
|Nikon D800||Full Frame||36.2||7360||4912||1080/30p||25.3||14.4||2853||95|
|Nikon D800E||Full Frame||36.2||7360||4912||1080/30p||25.6||14.3||2979||96|
Many modern cameras cannot only take still pictures, but also record videos. The 5D Mark III indeed provides movie recording capabilities, while the R-D1 does not. The highest resolution format that the 5D Mark III can use is 1080/30p.
Beyond body and sensor, cameras can and do differ across a range of features. The 5D Mark III and the R-D1 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 Canon 5D Mark III and Epson R-D1 in connection with corresponding information for a sample of similar cameras.
|Canon 5D Mark III||optical||Y||3.2||1040||fixed||n||1/8000s||6.0||n||n|
|Canon 5D Mark IV||optical||Y||3.2||1620||fixed||Y||1/8000s||7.0||n||n|
|Canon 5DS R||optical||Y||3.2||1040||fixed||n||1/8000s||5.0||n||n|
|Canon 5D Mark II||optical||Y||3.0||920||fixed||n||1/8000s||3.9||n||n|
|Leica X Vario||optional||n||3.0||920||fixed||n||1/2000s||5.0||Y||n|
One feature that is present on the 5D Mark III, 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 5D Mark III writes its imaging data to Compact Flash or SDXC cards, while the R-D1 uses SDHC cards. The 5D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the R-D1 only has one slot.
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 EOS 5D Mark III and Epson R-D1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
|Canon 5D Mark III||Y||mono||mono||Y||Y||mini||2.0||-||-||-|
|Canon 5D Mark IV||Y||mono||mono||Y||Y||mini||3.0||Y||Y||-|
|Canon 5DS R||Y||mono||mono||Y||-||mini||3.0||-||-||-|
|Canon 5D Mark II||Y||mono||mono||Y||-||mini||2.0||-||-||-|
|Leica X Vario||Y||stereo||mono||-||-||mini||2.0||-||-||-|
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Both the 5D Mark III and the R-D1 have been discontinued, but can regularly be found used on eBay. The 5D Mark III was replaced by the Canon 5D Mark IV, while the R-D1 does not have a direct successor. 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.
So what conclusions can be drawn? Is the Canon 5D Mark III better than the Epson R-D1 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Advantages of the Canon EOS 5D Mark III:
- More detail: Offers more megapixels (22.1 vs 6MP) with a 92% higher linear resolution.
- Better image quality: Features a larger and more technologically advanced imaging sensor.
- Richer colors: The sensor size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
- Broader imaging potential: Can record not only still images but also 1080/30p movies.
- Easier setting verification: Features an LCD display on top to control 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 (1040k vs 235k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
- Faster burst: Shoots at higher frequency (6 vs 1 flaps/sec) to capture the decisive moment.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More modern: Reflects 7 years and 11 months of technical progress since the R-D1 launch.
Reasons to prefer the Epson R-D1:
- More compact: Is smaller (142x89mm vs 152x116mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 330g or 35 percent) and is thus easier to take along.
- More affordable: Was released into a lower priced segment (14 percent cheaper at launch).
- 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 5D Mark III is the clear winner of the match-up (14 : 4 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision 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.
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 5D Mark III or the R-D1 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.
This is why expert reviews 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.
|Canon 5D Mark III||+ +||82/100||4.5/5||5/5||4.5/5||Mar 2012||3,499|
|Epson R-D1||..||..||..||..||..||Mar 2004||2,999|
|Canon 5D Mark IV||+ +||87/100||4.5/5||5/5||4.5/5||Aug 2016||3,499|
|Canon 5DS||+||83/100||4.5/5||5/5||4.5/5||Feb 2015||3,699|
|Canon 5DS R||+||83/100||5/5||5/5||4.5/5||Feb 2015||3,699|
|Canon 6D||+ +||83/100||4.5/5||4.5/5||4.5/5||Sep 2012||2,099|
|Canon 5D Mark II||91/100||79/100||4/5||5/5||..||Sep 2008||3,499|
|Canon 5D||88/100||+ +||o||o||..||Aug 2005||3,299|
|Canon Rebel||..||+ +||..||o||..||Aug 2003||899|
|Leica X Vario||..||..||4/5||4/5||4/5||Jun 2013||2,850|
|Nikon D610||+ +||87/100||4.5/5||4.5/5||4.5/5||Oct 2013||1,999|
|Nikon D600||+ +||87/100||5/5||4.5/5||4.5/5||Sep 2012||2,099|
|Nikon D800||+ +||82/100||5/5||5/5||5/5||Feb 2012||2,999|
|Nikon D800E||..||84/100||5/5||4.5/5||5/5||Feb 2012||3,299|
|Nikon D50||78/100||+ +||4/5||o||4.5/5||Apr 2005||749|
|Nikon D70s||..||..||..||o||5/5||Apr 2005||899|
|Nikon D70||..||+ +||..||o||..||Jan 2004||999|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.
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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 5D Mark III vs Fujifilm X20
- Canon 5D Mark III vs Nikon 1 J4
- Canon 5D Mark III vs Nikon B700
- Canon 5D Mark III vs Olympus E-M1 III
- Canon 5D Mark III vs Panasonic GH5
- Canon S120 vs Epson R-D1
- Epson R-D1 vs Fujifilm X-H1
- Epson R-D1 vs Fujifilm X-T1
- Epson R-D1 vs Fujifilm X30
- Epson R-D1 vs Leica M Typ 262
- Epson R-D1 vs Leica S3
- Epson R-D1 vs Panasonic LX5
Specifications: Canon 5D Mark III 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 Model||Canon 5D Mark III||Epson R-D1|
|Camera Type||Digital single lens reflex||Rangefinder camera|
|Camera Lens||Canon EF mount lenses||Leica M mount lenses|
|Launch Date||March 2012||March 2004|
|Launch Price||USD 3,499||USD 2,999|
|Sensor Specs||Canon 5D Mark III||Epson R-D1|
|Sensor Format||Full Frame Sensor||APS-C Sensor|
|Sensor Size||36.0 x 24.0 mm||23.7 x 15.6 mm|
|Sensor Area||864 mm2||369.72 mm2|
|Sensor Diagonal||43.3 mm||28.4 mm|
|Sensor Resolution||22.1 Megapixels||6 Megapixels|
|Image Resolution||5760 x 3840 pixels||3008 x 2000 pixels|
|Pixel Pitch||6.25 μm||7.85 μm|
|Pixel Density||2.56 MP/cm2||1.63 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||no Video|
|ISO Setting||100 - 25,600 ISO||200 - 1,600 ISO|
|ISO Boost||50 - 102,400 ISO||no Enhancement|
|DXO Sensor Quality (score)||81||..|
|DXO Color Depth (bits)||24.0||..|
|DXO Dynamic Range (EV)||11.7||..|
|DXO Low Light (ISO)||2293||..|
|Screen Specs||Canon 5D Mark III||Epson R-D1|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||100%|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View|
|Rear LCD Size||3.2inch||2.0inch|
|LCD Resolution||1040k dots||235k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon 5D Mark III||Epson R-D1|
|Focus System||Phase-detect AF||Manual Focus|
|Continuous Shooting||6 shutter flaps/s||1 shutter flaps/s|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||CF or SDXC cards||SDHC cards|
|Second Storage Option||Dual card slots||Single card slot|
|UHS card support||no||no|
|Connectivity Specs||Canon 5D Mark III||Epson R-D1|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||no USB|
|HDMI Port||mini HDMI||no HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Headphone Socket||Headphone port||no Headphone port|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon 5D Mark III||Epson R-D1|
|Environmental Sealing||Weathersealed body||not weather sealed|
152 x 116 x 76 mm
(6.0 x 4.6 x 3.0 in)
142 x 89 x 40 mm
(5.6 x 3.5 x 1.6 in)
|Camera Weight||950 g (33.5 oz)||620 g (21.9 oz)|
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