Canon 40D vs Sony A7R II
The Canon EOS 40D and the Sony Alpha A7R II are two enthusiast cameras that were revealed to the public, respectively, in August 2007 and June 2015. The 40D is a DSLR, while the A7R II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (40D) and a full frame (A7R II) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Sony provides 42.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 40D||Sony A7R II|
|Digital single lens reflex||Mirrorless system camera|
|Canon EF mount lenses||Sony E mount lenses|
|10.1 MP, APS-C Sensor||42.2 MP, Full Frame Sensor|
|no Video||4K/30p Video|
|ISO 100-1600 (100-3200)||ISO 100-25600 (50-102400)|
|Optical viewfinder||Electronic viewfinder (2400k dots)|
|3.0" LCD, 230k dots||3.0" LCD, 1229k dots|
|Fixed screen (not touch-sensitive)||Tilting screen (not touch-sensitive)|
|6.5 shutter flaps per second||5 shutter flaps per second|
|Lens stabilization only||In-body stabilization|
|Not weather sealed||Weathersealed body|
|750 shots per battery charge||290 shots per battery charge|
|146 x 108 x 74 mm, 822 g||127 x 96 x 60 mm, 625 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 40D and the Sony Alpha A7R 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.
Body comparison: Canon 40D vs Sony A7R II
An illustration of the physical size and weight of the Canon 40D and the Sony A7R II is provided 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 dimensions 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 Sony A7R II is notably smaller (23 percent) than the Canon 40D. Moreover, the A7R II is markedly lighter (24 percent) than the 40D. It is noteworthy in this context that the A7R II is splash and dust-proof, while the 40D 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 (40D) and the Sony FE Lens Catalog (A7R II). Mirrorless cameras, such as the A7R II, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.
Concerning battery life, the 40D gets 750 shots out of its BP-511A battery, while the A7R II can take 290 images on a single charge of its NP-FW50 power pack. The power pack in the A7R II can be charged via the USB port, which can be very convenient when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 40D»||5.7 in||4.3 in||2.9 in||29.0 oz||750||n||Aug 2007||1,299||-||Canon 40D|
|Sony A7R II«||5.0 in||3.8 in||2.4 in||22.0 oz||290||Y||Jun 2015||3,199||-||Sony A7R II|
|Canon T3« »||5.1 in||3.9 in||3.1 in||17.5 oz||700||n||Feb 2011||449||-||Canon T3|
|Canon 60D« »||5.7 in||4.2 in||3.1 in||26.6 oz||1100||Y||Aug 2010||1,399||-||Canon 60D|
|Canon 50D« »||5.7 in||4.3 in||2.9 in||29.0 oz||800||Y||Aug 2008||1,299||-||Canon 50D|
|Canon XS« »||5.0 in||3.9 in||2.6 in||17.7 oz||500||n||Jun 2008||449||-||Canon XS|
|Canon XSi« »||5.1 in||3.9 in||2.4 in||18.5 oz||500||n||Jan 2008||799||-||Canon XSi|
|Canon 30D« »||5.7 in||4.2 in||2.9 in||27.7 oz||750||n||Feb 2006||1,399||-||Canon 30D|
|Canon XTi« »||5.0 in||3.3 in||2.6 in||19.6 oz||370||n||Aug 2006||799||-||Canon XTi|
|Canon 20D« »||5.7 in||4.2 in||2.8 in||27.2 oz||700||n||Aug 2004||1,499||-||Canon 20D|
|Canon 10D« »||5.9 in||4.2 in||3.0 in||30.0 oz||500||n||Feb 2003||1,999||-||Canon 10D|
|Nikon D90« »||5.2 in||4.1 in||3.0 in||24.8 oz||850||n||Aug 2008||1,299||-||Nikon D90|
|Sony A7R III« »||5.0 in||3.8 in||2.9 in||22.9 oz||650||Y||Oct 2017||3,199||Sony A7R III|
|Sony A99 II« »||5.6 in||4.1 in||3.0 in||29.9 oz||490||Y||Sep 2016||3,199||Sony A99 II|
|Sony A7S II« »||5.0 in||3.8 in||2.4 in||22.1 oz||370||Y||Sep 2015||2,999||Sony A7S II|
|Sony A7 II« »||5.0 in||3.8 in||2.4 in||21.1 oz||350||Y||Nov 2014||1,999||-||Sony A7 II|
|Sony A7R« »||5.0 in||3.7 in||1.9 in||16.4 oz||340||Y||Oct 2013||2,299||-||Sony A7R|
|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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 40D was launched at a markedly lower price (by 59 percent) than the A7R II, 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.
Sensor comparison: Canon 40D vs Sony A7R II
The size of the imaging sensor is a crucial determinant 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon 40D features an APS-C sensor and the Sony A7R II a full frame sensor. The sensor area in the A7R II is 160 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 42.2MP, the A7R II offers a higher resolution than the 40D (10.1MP), but the A7R II has smaller individual pixels (pixel pitch of 4.52μm versus 5.73μm for the 40D). Yet, the A7R II is a much more recent model (by 7 years and 9 months) than the 40D, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A7R II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Sony A7R II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inch or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inch or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inch or 67.3 x 44.9 cm. The corresponding values for the Canon 40D are 19.4 x 13 inch or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inch or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inch or 32.9 x 21.9 cm for excellent quality prints.
The A7R II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS 40D has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Sony Alpha A7R II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-102400.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). Of the two cameras under consideration, the A7R II offers substantially better image quality than the 40D (overall score 34 points higher). The advantage is based on 3.9 bits higher color depth, 2.6 EV in additional dynamic range, and 2.3 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Canon 40D»||APS-C||10.1||3888||2592||-||22.1||11.3||703||64||Canon 40D|
|Sony A7R II«||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98||Sony A7R II|
|Canon T3« »||APS-C||12.2||4272||2848||720/30p||21.9||11.0||755||62||Canon T3|
|Canon 60D« »||APS-C||17.9||5184||3456||1080/30p||22.2||11.5||813||66||Canon 60D|
|Canon 50D« »||APS-C||15.1||4752||3168||-||21.8||11.4||696||63||Canon 50D|
|Canon XS« »||APS-C||10.1||3888||2592||-||-||-||-||-||Canon XS|
|Canon XSi« »||APS-C||12.2||4272||2848||-||21.9||10.8||692||61||Canon XSi|
|Canon 30D« »||APS-C||8.2||3504||2336||-||21.5||10.8||736||59||Canon 30D|
|Canon XTi« »||APS-C||10.1||3888||2592||-||22.1||11.0||664||62||Canon XTi|
|Canon 20D« »||APS-C||8.2||3504||2336||-||21.9||11.0||721||62||Canon 20D|
|Canon 10D« »||APS-C||6.3||3072||2048||-||21.1||10.9||571||57||Canon 10D|
|Nikon D90« »||APS-C||12.2||4288||2848||720/24p||22.7||12.5||977||73||Nikon D90|
|Sony A7R III« »||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100||Sony A7R III|
|Sony A99 II« »||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92||Sony A99 II|
|Sony A7S II« »||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85||Sony A7S II|
|Sony A7 II« »||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90||Sony A7 II|
|Sony A7R« »||Full Frame||36.2||7360||4912||1080/60p||25.6||14.1||2746||95||Sony A7R|
Many modern cameras cannot only take still pictures, but also record videos. The A7R II indeed provides for movie recording, while the 40D does not. The highest resolution format that the A7R II can use is 4K/30p.
Feature comparison: Canon 40D vs Sony A7R II
Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7R II has an electronic viewfinder (2400k dots), while the 40D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the A7R II offers a wider field of view (100%) than the one in the 40D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7R II has a higher magnification (0.78x vs 0.59x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 40D and Sony A7R II along with similar information for a selection of comparators.
|Canon 40D»||optical||Y||3.0||230||fixed||n||1/8000s||6.5||Y||n||Canon 40D|
|Sony A7R II«||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7R II|
|Canon T3« »||optical||n||2.7||230||fixed||n||1/4000s||3.0||Y||n||Canon T3|
|Canon 60D« »||optical||Y||3.0||1040||swivel||n||1/8000s||5.3||Y||n||Canon 60D|
|Canon 50D« »||optical||Y||3.0||920||fixed||n||1/8000s||6.3||Y||n||Canon 50D|
|Canon XS« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Canon XS|
|Canon XSi« »||optical||n||3.0||230||fixed||n||1/4000s||3.5||Y||n||Canon XSi|
|Canon 30D« »||optical||Y||2.5||230||fixed||n||1/8000s||5.0||Y||n||Canon 30D|
|Canon XTi« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Canon XTi|
|Canon 20D« »||optical||Y||1.8||118||fixed||n||1/8000s||5.0||Y||n||Canon 20D|
|Canon 10D« »||optical||Y||1.8||118||fixed||n||1/4000s||3.0||Y||n||Canon 10D|
|Nikon D90« »||optical||Y||3.0||920||fixed||n||1/4000s||4.5||Y||n||Nikon D90|
|Sony A7R III« »||3686||n||3.0||1440||tilting||Y||1/8000s||10.0||n||Y||Sony A7R III|
|Sony A99 II« »||2400||Y||3.0||1229||full-flex||n||1/8000s||12.0||n||Y||Sony A99 II|
|Sony A7S II« »||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7S II|
|Sony A7 II« »||2400||n||3.0||1230||tilting||n||1/8000s||5.0||n||Y||Sony A7 II|
|Sony A7R« »||2400||n||3.0||1230||tilting||n||1/8000s||4.0||n||n||Sony A7R|
One difference between the cameras concerns the presence of an on-board flash. The 40D has one, while the A7R II does not. While the built-in flash of the 40D is not very powerful, it can at times be useful as a fill-in light.
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7R II is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The 40D writes its imaging data to Compact Flash cards, while the A7R II uses SDXC or Memory Stick PRO Duo cards.
Connectivity comparison: Canon 40D vs Sony A7R II
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 40D and Sony Alpha A7R II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 40D»||Y||-||-||-||-||-||2.0||-||-||-||Canon 40D|
|Sony A7R II«||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7R II|
|Canon T3« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Canon T3|
|Canon 60D« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 60D|
|Canon 50D« »||Y||-||-||-||-||mini||2.0||-||-||-||Canon 50D|
|Canon XS« »||Y||-||-||-||-||-||2.0||-||-||-||Canon XS|
|Canon XSi« »||Y||-||-||-||-||mini||2.0||-||-||-||Canon XSi|
|Canon 30D« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 30D|
|Canon XTi« »||Y||-||-||-||-||-||2.0||-||-||-||Canon XTi|
|Canon 20D« »||Y||-||-||-||-||-||1.1||-||-||-||Canon 20D|
|Canon 10D« »||Y||-||-||-||-||-||1.1||-||-||-||Canon 10D|
|Nikon D90« »||Y||mono||mono||-||-||mini||2.0||-||-||-||Nikon D90|
|Sony A7R III« »||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7R III|
|Sony A99 II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||Y||Sony A99 II|
|Sony A7S II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S II|
|Sony A7 II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7 II|
|Sony A7R« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7R|
It is notable that the A7R II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 40D does not offer wifi capability.
Studio photographers will appreciate that the Canon 40D (unlike the A7R II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the 40D and the A7R II have been discontinued, but can regularly be found used on eBay. The 40D was replaced by the Canon 50D, while the A7R II was followed by the Sony Alpha A7R III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.
Review summary: Canon 40D vs Sony A7R II
So how do things add up? Is there a clear favorite between the Canon 40D and the Sony A7R II? Which camera is better? The listing below highlights the relative strengths of the two models.
Arguments in favor of the Canon EOS 40D:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- Faster burst: Shoots at higher frequency (6.5 vs 5 flaps/sec) to capture the decisive moment.
- Longer lasting: Can take more shots (750 versus 290) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in August 2007).
Advantages of the Sony Alpha A7R II:
- More detail: Has more megapixels (42.2 vs 10.1MP), which boosts linear resolution by 105%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Scores substantially higher (34 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (3.9 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (2.6 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (2.3 stops ISO advantage).
- Broader imaging potential: Can capture not only stills but also 4K/30p video.
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.59x).
- More detailed LCD: Has a higher resolution rear screen (1229k vs 230k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More compact: Is smaller (127x96mm vs 146x108mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 197g or 24 percent) and is thus easier to take along.
- Easier travel charging: Can be conveniently charged via its USB port.
- 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.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- 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 modern: Reflects 7 years and 9 months of technical progress since the 40D launch.
If the number of relative strengths (bullet points above) is taken as a guide, the A7R II is the clear winner of the contest (22 : 9 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.
How about other alternatives? Do the specifications of the Canon 40D and the Sony A7R II place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 40D or the A7R II. 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.
Expert reviews: Canon 40D vs Sony A7R II
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.
|Canon 40D»||+ +||+ +||4.5/5||o||4.5/5||Aug 2007||1,299||-||Canon 40D|
|Sony A7R II«||+ +||90/100||5/5||4.5/5||5/5||Jun 2015||3,199||-||Sony A7R II|
|Canon T3« »||80/100||69/100||4/5||4/5||4.5/5||Feb 2011||449||-||Canon T3|
|Canon 60D« »||+||79/100||4/5||5/5||4.5/5||Aug 2010||1,399||-||Canon 60D|
|Canon 50D« »||+ +||+ +||4.5/5||5/5||4.5/5||Aug 2008||1,299||-||Canon 50D|
|Canon XS« »||82/100||+ +||3.5/5||4/5||4.5/5||Jun 2008||449||-||Canon XS|
|Canon XSi« »||+ +||+ +||4/5||5/5||4.5/5||Jan 2008||799||-||Canon XSi|
|Canon 30D« »||+ +||+ +||o||o||-||Feb 2006||1,399||-||Canon 30D|
|Canon XTi« »||+ +||+ +||o||4.5/5||4/5||Aug 2006||799||-||Canon XTi|
|Canon 20D« »||-||+ +||-||o||-||Aug 2004||1,499||-||Canon 20D|
|Canon 10D« »||-||+ +||-||o||-||Feb 2003||1,999||-||Canon 10D|
|Nikon D90« »||+ +||+ +||4/5||5/5||4.5/5||Aug 2008||1,299||-||Nikon D90|
|Sony A7R III« »||+ +||90/100||4.5/5||5/5||5/5||Oct 2017||3,199||Sony A7R III|
|Sony A99 II« »||-||85/100||4.5/5||4.5/5||4.5/5||Sep 2016||3,199||Sony A99 II|
|Sony A7S II« »||+||-||4.5/5||5/5||5/5||Sep 2015||2,999||Sony A7S II|
|Sony A7 II« »||+||82/100||4.5/5||5/5||5/5||Nov 2014||1,999||-||Sony A7 II|
|Sony A7R« »||+ +||82/100||4.5/5||5/5||5/5||Oct 2013||2,299||-||Sony A7R|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
The review scores listed above should be treated 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. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
Other camera comparisons
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Specifications: Canon 40D vs Sony A7R 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||Canon 40D||Sony A7R II|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Sony E mount lenses|
|Launch Date||August 2007||June 2015|
|Launch Price||USD 1299||USD 3199|
|Sensor Specs||Canon 40D||Sony A7R II|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||22.3 x 14.9 mm||35.9 x 24.0 mm|
|Sensor Area||332.27 mm2||861.6 mm2|
|Sensor Diagonal||26.8 mm||43.2 mm|
|Sensor Resolution||10.1 Megapixels||42.2 Megapixels|
|Image Resolution||3888 x 2592 pixels||7952 x 5304 pixels|
|Pixel Pitch||5.73 μm||4.52 μm|
|Pixel Density||3.03 MP/cm2||4.90 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||no Video||4K/30p Video|
|ISO Setting||100-1600 ISO||100-25600 ISO|
|ISO Boost||100-3200 ISO||50-102400 ISO|
|Image Processor||DIGIC 3||BIONZ X|
|DXO Sensor Quality (score)||64||98|
|DXO Color Depth (bits)||22.1||26.0|
|DXO Dynamic Range (EV)||11.3||13.9|
|DXO Low Light (ISO)||703||3434|
|Screen Specs||Canon 40D||Sony A7R II|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||2400k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||230k dots||1229k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Shooting Specs||Canon 40D||Sony A7R II|
|Autofocus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||No Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000/s||1/8000/s|
|Continuous Shooting||6.5 shutter flaps/s||5 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||500 000 actuations|
|Electronic Shutter||no E-Shutter||YES|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||CF cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|Connectivity Specs||Canon 40D||Sony A7R II|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||no HDMI||micro HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Body Specs||Canon 40D||Sony A7R II|
|Environmental Sealing||Not weather sealed||Weathersealed body|
|Battery Type||BP-511A power pack||NP-FW50 power pack|
|Battery Life (CIPA)||750 shots per charge||290 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
146 x 108 x 74 mm
(5.7 x 4.3 x 2.9 in)
127 x 96 x 60 mm
(5.0 x 3.8 x 2.4 in)
|Camera Weight||822 g (29.0 oz)||625 g (22.0 oz)|
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