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Nikon D40X vs Sony A7 II

The Nikon D40X and the Sony Alpha A7 II are two digital cameras that were officially introduced, respectively, in March 2007 and November 2014. The D40X is a DSLR, while the A7 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40X) and a full frame (A7 II) sensor. The Nikon has a resolution of 10 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.

Headline Specifications
Nikon D40X
versus
Sony A7 II
Nikon D40X   Sony A7 II
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
10 MP – APS-C sensor 24 MP – Full Frame sensor
no Video 1080/60p Video
ISO 100-1,600 (100 - 3,200) ISO 100-25,600 (50 - 51,200)
Optical viewfinder Electronic viewfinder (2400k dots)
2.5" LCD – 230k dots 3.0" LCD – 1230k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
3 shutter flaps per second 5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
520 shots per battery charge350 shots per battery charge
124 x 94 x 64 mm, 522 g 127 x 96 x 60 mm, 599 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40X 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.

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Body comparison

An illustration of the physical size and weight of the Nikon D40X and the Sony A7 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.

The D40X can be obtained in two different colors (black, silver), while the A7 II is only available in black.

Size Nikon D40X vs Sony A7 II
Compare D40X versus A7 II top
Comparison D40X or A7 II rear

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 D40X. Moreover, the A7 II is markedly heavier (15 percent) than the D40X. It is noteworthy in this context that the A7 II is splash and dust-proof, while the D40X 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 (D40X) 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 D40X gets 520 shots out of its Nikon EN-EL9 battery, while the A7 II can take 350 images on a single charge of its Sony 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 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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 US$ 729ebay.com
2.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
3.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 US$ 499ebay.com
4.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 n Apr 2005 US$ 749ebay.com
5.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 US$ 629ebay.com
6.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 US$ 999ebay.com
7.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 US$ 1 299ebay.com
8.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 US$ 599ebay.com
9.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 US$ 599ebay.com
10.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 US$ 749ebay.com
11.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 US$ 599ebay.com
12.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 US$ 599ebay.com
13.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 US$ 1 699ebay.com
14.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 US$ 1 799 amazon.com
16.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 US$ 2 299ebay.com
17.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 US$ 4 499 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 D40X was launched at a markedly lower price (by 64 percent) than the A7 II, 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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 D40X features an APS-C sensor and the Sony A7 II a full frame sensor. The sensor area in the A7 II is 129 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.

Nikon D40X and Sony A7 II sensor measures

With 24MP, the A7 II offers a higher resolution than the D40X (10MP), but the A7 II has smaller individual pixels (pixel pitch of 5.97μm versus 6.11μm for the D40X). Yet, the A7 II is a much more recent model (by 7 years and 8 months) than the D40X, 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 D40X are 19.4 x 13 inches or 49.2 x 32.9 cm for good quality, 15.5 x 10.4 inches or 39.3 x 26.3 cm for very good quality, and 12.9 x 8.6 inches or 32.8 x 21.9 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 D40X 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 A7 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

In terms of underlying technology, the D40X is build around a CCD sensor, while the A7 II uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D40X versus A7 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the A7 II offers substantially better image quality than the D40X (overall score 27 points higher). The advantage is based on 2.5 bits higher color depth, 2.2 EV in additional dynamic range, and 2.2 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.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
2.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
3.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
4.
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
5.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
6.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
7.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
8.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
9.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
10.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
11.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
12.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
13.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
14.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
15.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
16.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
17.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493

Many modern cameras cannot only take still pictures, but also record videos. The A7 II indeed provides for movie recording, while the D40X does not. The highest resolution format that the A7 II can use is 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 II has an electronic viewfinder (2400k dots), while the D40X 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 D40X (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 D40X and Sony A7 II along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
3.
 
Nikon D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
4.
 
Nikon D50optical n2.0 / 130 fixed n 1/4000s 2.5/s Y n
5.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
6.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Nikon D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
8.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
11.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
12.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
13.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
14.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
16.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
17.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The D40X has one, while the A7 II does not. While the built-in flash of the D40X is not very powerful, it can at times be useful as a fill-in light.

The D40X 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 D40X cannot take advantage of Ultra High Speed SD cards.

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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 D40X and Sony Alpha A7 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D40XY- / ----2.0---
2.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
3.
 
Nikon D40Y- / ----2.0---
4.
 
Nikon D50Y- / ----2.0---
5.
 
Nikon D60Y- / ----2.0---
6.
 
Nikon D80Y- / ----2.0---
7.
 
Nikon D90Ymono / mono--mini2.0---
8.
 
Nikon D3000Y- / ----2.0---
9.
 
Nikon D3100Ymono / mono--mini2.0---
10.
 
Nikon D5000Ymono / mono--mini2.0---
11.
 
Olympus E-420Y- / ----2.0---
12.
 
Panasonic L10Y- / ----2.0---
13.
 
Sony A7Ystereo / monoYYmicro2.0YY-
14.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7CYstereo / monoYYmicro3.2YYY
16.
 
Sony A7RYstereo / monoYYmicro2.0YY-
17.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY

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 D40X does not provide wifi capability.

Both the D40X and the A7 II have been discontinued, but can regularly be found used on ebay. The D40X was replaced by the Nikon D60 , while the A7 II was followed by the Sony A7 III. Further information on the features and operation of the D40X and A7 II can be found, respectively, in the Nikon D40X Manual (free pdf) or the online Sony A7 II Manual.

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Review summary

So what conclusions can be drawn? Is the Nikon D40X better than the Sony A7 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Nikon D40X:

  • 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 (520 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 (64 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2007).

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Advantages of the Sony Alpha A7 II:

  • More detail: Has more megapixels (24 vs 10MP), which boosts linear resolution by 55%.
  • Better image quality: Scores substantially higher (27 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.5 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.2 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 3 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 7 years and 8 months of technical progress since the D40X 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 pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

D40X 06:23 A7 II

How about other alternatives? Do the specifications of the Nikon D40X 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D40X or the A7 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

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 US$ 729ebay.com
2.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
3.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 US$ 499ebay.com
4.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 US$ 749ebay.com
5.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 US$ 629ebay.com
6.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 US$ 999ebay.com
7.
 
Nikon D90..+ +..+ +4/54.5/5 Aug 2008 US$ 1 299ebay.com
8.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 US$ 599ebay.com
9.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 US$ 599ebay.com
10.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 US$ 749ebay.com
11.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 US$ 599ebay.com
12.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 US$ 599ebay.com
13.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 US$ 1 699ebay.com
14.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 US$ 1 799 amazon.com
16.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 US$ 2 299ebay.com
17.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 US$ 4 499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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, please note that some of the review sites have changed their methodology and reporting over time.

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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.

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    Specifications: Nikon D40X 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 Specifications
    Camera Model Nikon D40X Sony A7 II
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date March 2007 November 2014
    Launch Price USD 729 USD 1,999
    Sensor Specs Nikon D40X Sony A7 II
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.8 mm 35.8 x 23.9 mm
    Sensor Area 372.88 mm2 855.62 mm2
    Sensor Diagonal 28.4 mm 43 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 10 Megapixels 24 Megapixels
    Image Resolution 3872 x 2592 pixels 6000 x 4000 pixels
    Pixel Pitch 6.11 μm 5.97 μm
    Pixel Density 2.69 MP/cm2 2.80 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost 100 - 3,200 ISO 50 - 51,200 ISO
    Image Processor EXPEED BIONZ X
    DXO Sensor Quality (score) 63 90
    DXO Color Depth (bits) 22.4 24.9
    DXO Dynamic Range (EV) 11.4 13.6
    DXO Low Light (ISO) 516 2449
    Screen Specs Nikon D40X 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 D40X Sony A7 II
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy50 000 actuations200 000 actuations
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Nikon D40X 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 D40X Sony A7 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL9 Sony NP-FW50
    Battery Life (CIPA)520 shots per charge350 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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    Check D40X offers at
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    Check A7 II offers at
    ebay.com

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