Nikon D40 vs Sony A7 II
The Nikon D40 and the Sony Alpha A7 II are two digital cameras that were revealed to the public, respectively, in November 2006 and November 2014. The D40 is a DSLR, while the A7 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40) and a full frame (A7 II) sensor. The Nikon has a resolution of 6 megapixels, whereas the Sony provides 24 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Sony Alpha A7 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
The side-by-side display below illustrates the physical size and weight of the Nikon D40 and the Sony A7 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 size 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 A7 II is somewhat larger (5 percent) than the Nikon D40. Moreover, the A7 II is markedly heavier (15 percent) than the D40. It is noteworthy in this context that the A7 II is splash and dust-proof, while the D40 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 Nikon Lens Catalog (D40) and the Sony FE Lens Catalog (A7 II). Mirrorless cameras, such as the A7 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 D40 gets 470 shots out of its EN-EL9 battery, while the A7 II can take 350 images on a single charge of its NP-FW50 power pack. The power pack in the A7 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. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) | Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon D40 | 124 mm | 94 mm | 64 mm | 522 g | 470 | n | Nov 2006 | 499 | ||
2. | Sony A7 II | 127 mm | 96 mm | 60 mm | 599 g | 350 | Y | Nov 2014 | 1,999 | ||
3. | Nikon D3400 | 124 mm | 98 mm | 76 mm | 445 g | 1200 | n | Aug 2016 | 499 | ||
4. | Nikon D3300 | 124 mm | 98 mm | 76 mm | 430 g | 700 | n | Jan 2014 | 499 | ||
5. | Nikon D3100 | 124 mm | 96 mm | 75 mm | 505 g | 550 | n | Aug 2010 | 599 | ||
6. | Nikon D3000 | 126 mm | 97 mm | 64 mm | 536 g | 500 | n | Jul 2009 | 599 | ||
7. | Nikon D60 | 126 mm | 94 mm | 64 mm | 522 g | 500 | n | Jan 2008 | 629 | ||
8. | Nikon D40X | 124 mm | 94 mm | 64 mm | 522 g | 520 | n | Mar 2007 | 729 | ||
9. | Nikon D80 | 132 mm | 103 mm | 77 mm | 668 g | 600 | n | Aug 2006 | 999 | ||
10. | Nikon D50 | 133 mm | 102 mm | 76 mm | 620 g | 400 | n | Apr 2005 | 749 | ||
11. | Nikon D70s | 140 mm | 111 mm | 78 mm | 679 g | 500 | n | Apr 2005 | 899 | ||
12. | Nikon D70 | 140 mm | 111 mm | 78 mm | 679 g | 400 | n | Jan 2004 | 999 | ||
13. | Sony A7C | 124 mm | 71 mm | 60 mm | 509 g | 740 | Y | Sep 2020 | 1,799 | ||
14. | Sony A9 II | 129 mm | 96 mm | 76 mm | 678 g | 690 | Y | Oct 2019 | 4,499 | ||
15. | Sony A7 III | 127 mm | 96 mm | 74 mm | 650 g | 610 | Y | Feb 2018 | 1,999 | ||
16. | Sony A7 | 127 mm | 94 mm | 48 mm | 474 g | 340 | Y | Oct 2013 | 1,699 | ||
17. | Sony A7R | 127 mm | 94 mm | 48 mm | 465 g | 340 | Y | Oct 2013 | 2,299 | ||
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D40 was launched at a markedly lower price (by 75 percent) than the A7 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
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Nikon D40 features an APS-C sensor and the Sony A7 II a full frame sensor. The sensor area in the A7 II is 131 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

With 24MP, the A7 II offers a higher resolution than the D40 (6MP), but the A7 II has smaller individual pixels (pixel pitch of 5.97μm versus 7.85μm for the D40). Yet, the A7 II is a much more recent model (by 8 years) than the D40, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Sony A7 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 II 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 Nikon D40 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 A7 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Nikon D40 has a native sensitivity range from ISO 200 to ISO 1600, which can be extended to ISO 200-3200. The corresponding ISO settings for the Sony Alpha A7 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

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. Of the two cameras under consideration, the A7 II offers substantially better image quality than the D40 (overall score 34 points higher). The advantage is based on 3.9 bits higher color depth, 2.6 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports | DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon D40 | APS-C | 6.0 | 3008 | 2000 | none | 21.0 | 11.0 | 561 | 56 | |
2. | Sony A7 II | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 24.9 | 13.6 | 2449 | 90 | |
3. | Nikon D3400 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.8 | 13.9 | 1192 | 86 | |
4. | Nikon D3300 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.3 | 12.8 | 1385 | 82 | |
5. | Nikon D3100 | APS-C | 14.2 | 4608 | 3072 | 1080/24p | 22.5 | 11.3 | 919 | 67 | |
6. | Nikon D3000 | APS-C | 10.0 | 3872 | 2592 | none | 22.3 | 11.1 | 563 | 62 | |
7. | Nikon D60 | APS-C | 10.0 | 3872 | 2592 | none | 22.5 | 11.4 | 562 | 65 | |
8. | Nikon D40X | APS-C | 10.0 | 3872 | 2592 | none | 22.4 | 11.4 | 516 | 63 | |
9. | Nikon D80 | APS-C | 10.0 | 3872 | 2592 | none | 22.1 | 11.2 | 524 | 61 | |
10. | Nikon D50 | APS-C | 6.0 | 3008 | 2000 | none | 20.9 | 10.8 | 560 | 55 | |
11. | Nikon D70s | APS-C | 6.0 | 3008 | 2000 | none | 20.4 | 10.3 | 529 | 50 | |
12. | Nikon D70 | APS-C | 6.0 | 3008 | 2000 | none | 20.4 | 10.3 | 529 | 50 | |
13. | Sony A7C | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.7 | 3407 | 95 | |
14. | Sony A9 II | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.0 | 3434 | 93 | |
15. | Sony A7 III | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.7 | 3730 | 96 | |
16. | Sony A7 | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 24.8 | 14.2 | 2248 | 90 | |
17. | Sony A7R | Full Frame | 36.2 | 7360 | 4912 | 1080/60p | 25.6 | 14.1 | 2746 | 95 |
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The A7 II indeed provides for movie recording, while the D40 does not. The highest resolution format that the A7 II can use is 1080/60p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 II has an electronic viewfinder (2400k dots), while the D40 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 A7 II offers a wider field of view (100%) than the one in the D40 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7 II has a higher magnification (0.71x vs 0.53x), 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 Nikon D40 and Sony A7 II along with similar information for a selection of comparators.
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 |
||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon D40 | optical | n | 2.5 | 230 | fixed | n | 1/4000s | 2.5 | Y | n | |
2. | Sony A7 II | 2400 | n | 3.0 | 1230 | tilting | n | 1/8000s | 5.0 | n | Y | |
3. | Nikon D3400 | optical | n | 3.0 | 921 | fixed | n | 1/4000s | 5.0 | Y | n | |
4. | Nikon D3300 | optical | n | 3.0 | 921 | fixed | n | 1/4000s | 5.0 | Y | n | |
5. | Nikon D3100 | optical | n | 3.0 | 230 | fixed | n | 1/4000s | 3.0 | Y | n | |
6. | Nikon D3000 | optical | n | 3.0 | 230 | fixed | n | 1/4000s | 3.0 | Y | n | |
7. | Nikon D60 | optical | n | 2.5 | 230 | fixed | n | 1/4000s | 3.0 | Y | n | |
8. | Nikon D40X | optical | n | 2.5 | 230 | fixed | n | 1/4000s | 3.0 | Y | n | |
9. | Nikon D80 | optical | n | 2.5 | 230 | fixed | n | 1/4000s | 3.0 | Y | n | |
10. | Nikon D50 | optical | n | 2.0 | 130 | fixed | n | 1/4000s | 2.5 | Y | n | |
11. | Nikon D70s | optical | n | 2.0 | 130 | fixed | n | 1/8000s | 3.0 | Y | n | |
12. | Nikon D70 | optical | n | 1.8 | 130 | fixed | n | 1/8000s | 3.0 | Y | n | |
13. | Sony A7C | 2360 | n | 3.0 | 922 | swivel | Y | 1/4000s | 10.0 | n | Y | |
14. | Sony A9 II | 3686 | n | 3.0 | 1440 | tilting | Y | 1/8000s | 10.0 | n | Y | |
15. | Sony A7 III | 2359 | n | 3.0 | 922 | tilting | Y | 1/8000s | 10.0 | n | Y | |
16. | Sony A7 | 2400 | n | 3.0 | 1230 | tilting | n | 1/8000s | 5.0 | n | n | |
17. | Sony A7R | 2400 | n | 3.0 | 1230 | tilting | n | 1/8000s | 4.0 | n | n |
One difference between the cameras concerns the presence of an on-board flash. The D40 has one, while the A7 II does not. While the built-in flash of the D40 is not very powerful, it can at times be useful as a fill-in light.
The D40 writes its imaging data to SDHC cards, while the A7 II uses SDXC or Memory Stick PRO Duo cards. The A7 II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D40 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 Nikon D40 and Sony Alpha A7 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Microphone |
Internal Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support | NFC Support | Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon D40 | Y | - | - | - | - | - | 2.0 | - | - | - | |
2. | Sony A7 II | Y | stereo | mono | Y | Y | micro | 2.0 | Y | Y | - | |
3. | Nikon D3400 | Y | mono | mono | - | - | mini | 2.0 | - | - | Y | |
4. | Nikon D3300 | Y | mono | mono | Y | - | mini | 2.0 | - | - | - | |
5. | Nikon D3100 | Y | mono | mono | - | - | mini | 2.0 | - | - | - | |
6. | Nikon D3000 | Y | - | - | - | - | - | 2.0 | - | - | - | |
7. | Nikon D60 | Y | - | - | - | - | - | 2.0 | - | - | - | |
8. | Nikon D40X | Y | - | - | - | - | - | 2.0 | - | - | - | |
9. | Nikon D80 | Y | - | - | - | - | - | 2.0 | - | - | - | |
10. | Nikon D50 | Y | - | - | - | - | - | 2.0 | - | - | - | |
11. | Nikon D70s | Y | - | - | - | - | - | 2.0 | - | - | - | |
12. | Nikon D70 | Y | - | - | - | - | - | 1.0 | - | - | - | |
13. | Sony A7C | Y | stereo | mono | Y | Y | micro | 3.2 | Y | Y | Y | |
14. | Sony A9 II | Y | stereo | mono | Y | Y | micro | 3.1 | Y | Y | Y | |
15. | Sony A7 III | Y | stereo | mono | Y | Y | micro | 3.1 | Y | Y | Y | |
16. | Sony A7 | Y | stereo | mono | Y | Y | micro | 2.0 | Y | Y | - | |
17. | Sony A7R | Y | stereo | mono | Y | Y | micro | 2.0 | Y | Y | - |
It is notable that the A7 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D40 does not provide wifi capability.
Both the D40 and the A7 II have been discontinued, but can regularly be found used on eBay. The D40 was replaced by the Nikon D40X, while the A7 II was followed by the Sony A7 III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Sony websites.
Review summary
So what is the bottom line? Is the Nikon D40 better than the Sony A7 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

Arguments in favor of the Nikon D40:
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Less heavy: Is lighter (by 77g or 13 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (470 versus 350) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced category (75 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in November 2006).

Advantages of the Sony Alpha A7 II:
- More detail: Has more megapixels (24 vs 6MP), which boosts linear resolution by 100%.
- 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 (2.1 stops ISO advantage).
- Broader imaging potential: Can capture not only stills but also 1080/60p 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 (0.71x vs 0.53x).
- Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1230k vs 230k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (5 vs 2.5 flaps/sec) to capture the decisive moment.
- 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.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More modern: Reflects 8 years of technical progress since the D40 launch.
If the count of relative strengths (bullet points above) is taken as a measure, the A7 II is the clear winner of the contest (23 : 6 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports 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 Nikon D40 and the Sony A7 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 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 D40 or the A7 II 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 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 (amateurphotographer [AP], cameralabs [CL], 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.
Camera Model |
AP score |
CL score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon D40 | .. | 81/100 | + + | o | 4.5/5 | Nov 2006 | 499 | ||
2. | Sony A7 II | 5/5 | + | 82/100 | 4.5/5 | 5/5 | Nov 2014 | 1,999 | ||
3. | Nikon D3400 | 4/5 | + | 76/100 | 4/5 | 4.5/5 | Aug 2016 | 499 | ||
4. | Nikon D3300 | 3/5 | + | 77/100 | 4.5/5 | 4.5/5 | Jan 2014 | 499 | ||
5. | Nikon D3100 | 5/5 | + + | 72/100 | 4.5/5 | 4.5/5 | Aug 2010 | 599 | ||
6. | Nikon D3000 | .. | + | 72/100 | 4/5 | 4.5/5 | Jul 2009 | 599 | ||
7. | Nikon D60 | .. | 80/100 | + + | 4/5 | 4.5/5 | Jan 2008 | 629 | ||
8. | Nikon D40X | .. | 79/100 | + + | 4/5 | 4/5 | Mar 2007 | 729 | ||
9. | Nikon D80 | .. | + | + + | o | 4.5/5 | Aug 2006 | 999 | ||
10. | Nikon D50 | .. | 78/100 | + + | 4/5 | 4.5/5 | Apr 2005 | 749 | ||
11. | Nikon D70s | .. | .. | .. | .. | 5/5 | Apr 2005 | 899 | ||
12. | Nikon D70 | .. | .. | + + | .. | .. | Jan 2004 | 999 | ||
13. | Sony A7C | 3.5/5 | .. | 86/100 | 4/5 | 4/5 | Sep 2020 | 1,799 | ||
14. | Sony A9 II | .. | .. | 90/100 | 5/5 | 5/5 | Oct 2019 | 4,499 | ||
15. | Sony A7 III | .. | + + | 89/100 | 5/5 | 5/5 | Feb 2018 | 1,999 | ||
16. | Sony A7 | 5/5 | + + | 80/100 | 5/5 | 5/5 | Oct 2013 | 1,699 | ||
17. | Sony A7R | 5/5 | + + | 82/100 | 4.5/5 | 5/5 | Oct 2013 | 2,299 | ||
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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.
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Other camera comparisons
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Specifications: Nikon D40 vs Sony A7 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 | Nikon D40 | Sony A7 II |
---|---|---|
Camera Type | Digital single lens reflex | Mirrorless system camera |
Camera Lens | Nikon F mount lenses | Sony E mount lenses |
Launch Date | November 2006 | November 2014 |
Launch Price | USD 499 | USD 1,999 |
Sensor Specs | Nikon D40 | Sony A7 II |
Sensor Technology | CCD | CMOS |
Sensor Format | APS-C Sensor | Full Frame Sensor |
Sensor Size | 23.7 x 15.6 mm | 35.8 x 23.9 mm |
Sensor Area | 369.72 mm2 | 855.62 mm2 |
Sensor Diagonal | 28.4 mm | 43 mm |
Crop Factor | 1.5x | 1.0x |
Sensor Resolution | 6 Megapixels | 24 Megapixels |
Image Resolution | 3008 x 2000 pixels | 6000 x 4000 pixels |
Pixel Pitch | 7.85 μm | 5.97 μm |
Pixel Density | 1.63 MP/cm2 | 2.80 MP/cm2 |
Moiré control | Anti-Alias filter | Anti-Alias filter |
Movie Capability | no Video | 1080/60p Video |
ISO Setting | 200 - 1,600 ISO | 100 - 25,600 ISO |
ISO Boost | 200 - 3,200 ISO | 50 - 51,200 ISO |
DXO Sensor Quality (score) | 56 | 90 |
DXO Color Depth (bits) | 21.0 | 24.9 |
DXO Dynamic Range (EV) | 11.0 | 13.6 |
DXO Low Light (ISO) | 561 | 2449 |
Screen Specs | Nikon D40 | Sony A7 II |
Viewfinder Type | Optical viewfinder | Electronic viewfinder |
Viewfinder Field of View | 95% | 100% |
Viewfinder Magnification | 0.53x | 0.71x |
Viewfinder Resolution | 2400k dots | |
LCD Framing | Live View | |
Rear LCD Size | 2.5inch | 3.0inch |
LCD Resolution | 230k dots | 1230k dots |
LCD Attachment | Fixed screen | Tilting screen |
Shooting Specs | Nikon D40 | Sony A7 II |
Focus System | Phase-detect AF | On-Sensor Phase-detect |
Manual Focusing Aid | no Peaking Feature | Focus Peaking |
Max Shutter Speed (mechanical) | 1/4000s | 1/8000s |
Continuous Shooting | 2.5 shutter flaps/s | 5 shutter flaps/s |
Shutter Life Expectancy | 50 000 actuations | 200 000 actuations |
Image Stabilization | Lens stabilization only | In-body stabilization |
Fill Flash | Build-in Flash | no On-Board Flash |
Storage Medium | SDHC cards | MS or SDXC cards |
Second Storage Option | Single card slot | Single card slot |
UHS card support | no | UHS-I |
Connectivity Specs | Nikon D40 | Sony A7 II |
External Flash | Hotshoe | Hotshoe |
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 | Nikon D40 | Sony A7 II |
Environmental Sealing | not weather sealed | Weathersealed body |
Battery Type | EN-EL9 | NP-FW50 |
Battery Life (CIPA) | 470 shots per charge | 350 shots per charge |
In-Camera Charging | no USB charging | USB charging |
Body Dimensions |
124 x 94 x 64 mm (4.9 x 3.7 x 2.5 in) |
127 x 96 x 60 mm (5.0 x 3.8 x 2.4 in) |
Camera Weight | 522 g (18.4 oz) | 599 g (21.1 oz) |
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