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Nikon D40 vs Panasonic G7

The Nikon D40 and the Panasonic Lumix DMC-G7 are two digital cameras that were announced, respectively, in November 2006 and May 2015. The D40 is a DSLR, while the G7 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40) and a Four Thirds (G7) sensor. The Nikon has a resolution of 6 megapixels, whereas the Panasonic provides 15.8 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon D40
versus
Panasonic G7
Nikon D40   Panasonic G7
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
6 MP – APS-C sensor 15.8 MP – Four Thirds sensor
no Video 4K/30p Video
ISO 200-1,600 (200 - 3,200) ISO 160-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
2.5" LCD – 230k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
2.5 shutter flaps per second 7 shutter flaps per second
470 shots per battery charge350 shots per battery charge
124 x 94 x 64 mm, 522 g 125 x 86 x 77 mm, 410 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Panasonic Lumix DMC-G7? 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 D40 and the Panasonic G7 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The G7 can be obtained in two different colors (black, silver), while the D40 is only available in black.

Size Nikon D40 vs Panasonic G7
Compare D40 versus G7 top
Comparison D40 or G7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G7 is notably smaller (8 percent) than the Nikon D40. Moreover, the G7 is markedly lighter (21 percent) than the D40. In this context, it is worth noting that neither the D40 nor the G7 are weather-sealed.

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 Micro Four Thirds Lens Catalog (G7). Mirrorless cameras, such as the G7, 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 Nikon EN-EL9 battery, while the G7 can take 350 images on a single charge of its Panasonic DMW-BLC12 power pack.

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.

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Body Specifications
# image 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 499ebay.com
2.
 
Panasonic G7 125 mm 86 mm 77 mm 410 g 350 n May 2015 649ebay.com
3.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 499ebay.com
4.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499ebay.com
5.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599ebay.com
6.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599ebay.com
7.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629ebay.com
8.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
9.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999ebay.com
10.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 n Apr 2005 749ebay.com
11.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 899ebay.com
12.
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 n Jan 2004 999ebay.com
13.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749ebay.com
14.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
15.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749ebay.com
16.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599ebay.com
17.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 somewhat lower price (by 23 percent) than the G7, which makes it more attractive for photographers on a tight budget. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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. 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. 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 Panasonic G7 a Four Thirds sensor. The sensor area in the G7 is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D40 has a native 3:2 aspect ratio, while the one in the G7 offers a 4:3 aspect.

Nikon D40 and Panasonic G7 sensor measures

Despite having a smaller sensor, the G7 offers a higher resolution of 15.8 megapixels, compared with 6 MP of the D40. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.77μm versus 7.85μm for the D40). However, it should be noted that the G7 is much more recent (by 8 years and 6 months) than the D40, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Panasonic G7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G7 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 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 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 Panasonic Lumix DMC-G7 are ISO 160 to ISO 25600 (no boost).

In terms of underlying technology, the D40 is build around a CCD sensor, while the G7 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.

D40 versus G7 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). 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
# image 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 2000none21.011.056156
2.
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p22.812.490471
3.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
4.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
5.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
6.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
7.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
8.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
9.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
10.
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
11.
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
12.
 
Nikon D70 APS-C 6.0 3008 2000none20.410.352950
13.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
14.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
15.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
16.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
17.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The G7 indeed provides for movie recording, while the D40 does not. The highest resolution format that the G7 can use is 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the G7 has an electronic viewfinder (2360k 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 G7 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 G7 has a higher magnification (0.70x vs 0.53x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D40, the Panasonic G7, and comparable cameras.

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Core Features
# image 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 D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
2.
 
Panasonic G72360 n3.0 / 1040 swivel Y 1/4000s 7.0/s Y n
3.
 
Nikon D3400optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
4.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
5.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
6.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
8.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Nikon D50optical n2.0 / 130 fixed n 1/4000s 2.5/s Y n
11.
 
Nikon D70soptical n2.0 / 130 fixed n 1/8000s 3.0/s Y n
12.
 
Nikon D70optical n1.8 / 130 fixed n 1/8000s 3.0/s Y n
13.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
14.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
15.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
16.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
17.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G7 has a touchscreen, while the D40 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The G7 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the D40 does not have a selfie-screen.

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 G7 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 Panasonic G7 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The D40 writes its imaging data to SDHC cards, while the G7 uses SDXC cards. The G7 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the D40 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 D40 and Panasonic Lumix DMC-G7 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D40Y- / ----2.0---
2.
 
Panasonic G7Ystereo / monoY-micro2.0Y--
3.
 
Nikon D3400Ymono / mono--mini2.0--Y
4.
 
Nikon D3300Ymono / monoY-mini2.0---
5.
 
Nikon D3100Ymono / mono--mini2.0---
6.
 
Nikon D3000Y- / ----2.0---
7.
 
Nikon D60Y- / ----2.0---
8.
 
Nikon D40XY- / ----2.0---
9.
 
Nikon D80Y- / ----2.0---
10.
 
Nikon D50Y- / ----2.0---
11.
 
Nikon D70sY- / ----2.0---
12.
 
Nikon D70Y- / ----1.0---
13.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
14.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
15.
 
Panasonic GM1-stereo / mono--micro2.0Y--
16.
 
Panasonic G5Ystereo / mono--mini2.0---
17.
 
Panasonic GH2Ystereo / monoY-mini2.0---
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It is notable that the G7 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 G7 have been discontinued, but can regularly be found used on ebay. The D40 was replaced by the Nikon D40X, while the G7 was followed by the Panasonic G85. Further information on the features and operation of the D40 and G7 can be found, respectively, in the Nikon D40 Manual (free pdf) or the online Panasonic G7 Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Nikon D40 and the Panasonic G7? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Nikon D40:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (470 versus 350) on a single battery charge.
  • More affordable: Was introduced into a lower priced segment (23 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in November 2006).

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Arguments in favor of the Panasonic Lumix DMC-G7:

  • More detail: Has more megapixels (15.8 vs 6MP), which boosts linear resolution by 59%.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • 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 (0.70x 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 (1040k vs 230k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (7 vs 2.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Less heavy: Has a lower weight (by 112g or 21 percent) and is thus easier to take along.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More modern: Reflects 8 years and 6 months of technical progress since the D40 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the G7 is the clear winner of the contest (18 : 4 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.

D40 04:18 G7

How about other alternatives? Do the specifications of the Nikon D40 and the Panasonic G7 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 incomplete and does no justice, for example, to the way the D40 or the G7 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], 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 499ebay.com
2.
 
Panasonic G74/5+ +3.5/580/1005/54.5/5 May 2015 649ebay.com
3.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 499ebay.com
4.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 499ebay.com
5.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599ebay.com
6.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 599ebay.com
7.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 629ebay.com
8.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
9.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 999ebay.com
10.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 749ebay.com
11.
 
Nikon D70s..........5/5 Apr 2005 899ebay.com
12.
 
Nikon D70......+ +.... Jan 2004 999ebay.com
13.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749ebay.com
14.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
15.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749ebay.com
16.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599ebay.com
17.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon D40 vs Panasonic G7

    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 D40 Panasonic G7
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date November 2006 May 2015
    Launch Price USD 499 USD 649
    Sensor Specs Nikon D40 Panasonic G7
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.7 x 15.6 mm 17.3 x 13.0 mm
    Sensor Area 369.72 mm2 224.9 mm2
    Sensor Diagonal 28.4 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 6 Megapixels 15.8 Megapixels
    Image Resolution 3008 x 2000 pixels 4592 x 3448 pixels
    Pixel Pitch 7.85 μm 3.77 μm
    Pixel Density 1.63 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 200 - 1,600 ISO 160 - 25,600 ISO
    ISO Boost 200 - 3,200 ISO no Enhancement
    DXO Sensor Quality (score) 56 ..
    DXO Color Depth (bits) 21.0 ..
    DXO Dynamic Range (EV) 11.0 ..
    DXO Low Light (ISO) 561 ..
    Screen Specs Nikon D40 Panasonic G7
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.70x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D40 Panasonic G7
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 2.5 shutter flaps/s 7 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-II
    Connectivity Specs Nikon D40 Panasonic G7
    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
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D40 Panasonic G7
    Battery Type Nikon EN-EL9 Panasonic DMW-BLC12
    Battery Life (CIPA)470 shots per charge350 shots per charge
    Body Dimensions 124 x 94 x 64 mm
    (4.9 x 3.7 x 2.5 in)
    125 x 86 x 77 mm
    (4.9 x 3.4 x 3.0 in)
    Camera Weight 522 g (18.4 oz) 410 g (14.5 oz)
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