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Nikon D40X vs Sigma fp

The Nikon D40X and the Sigma fp are two digital cameras that were officially introduced, respectively, in March 2007 and July 2019. The D40X is a DSLR, while the fp is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40X) and a full frame (fp) sensor. The Nikon has a resolution of 10 megapixels, whereas the Sigma 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
Sigma fp
Nikon D40X   Sigma fp
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Leica L mount lenses
10 MP – APS-C sensor 24 MP – Full Frame sensor
no Video 4K/30p Video
ISO 100-1,600 (100 - 3,200) ISO 100-25,600 (6 - 102,400)
Optical viewfinder Viewfinder optional
2.5" LCD – 230k dots 3.2" LCD – 2100k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
3 shutter flaps per second 12 shutter flaps per second
not weather sealedWeathersealed body
520 shots per battery charge280 shots per battery charge
124 x 94 x 64 mm, 522 g 113 x 70 x 45 mm, 422 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40X and the Sigma fp? 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 Sigma fp is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

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

Size Nikon D40X vs Sigma fp
Compare D40X versus fp top
Comparison D40X or fp rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sigma fp is considerably smaller (32 percent) than the Nikon D40X. Moreover, the fp is markedly lighter (19 percent) than the D40X. It is noteworthy in this context that the fp 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the D40X gets 520 shots out of its Nikon EN-EL9 battery, while the fp can take 280 images on a single charge of its Sigma BP-51 power pack. The power pack in the fp can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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.
 
Sigma fp 113 mm 70 mm 45 mm 422 g 280 Y Jul 2019 US$ 1 899 amazon.com
3.
 
Canon 400D 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 US$ 799ebay.com
4.
 
Canon 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 US$ 799ebay.com
5.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 US$ 1 699ebay.com
6.
 
Fujifilm X-T2 133 mm 92 mm 49 mm 507 g 340 Y Jul 2016 US$ 1 599ebay.com
7.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 US$ 499ebay.com
8.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 US$ 629ebay.com
9.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 US$ 1 299ebay.com
10.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 US$ 599ebay.com
11.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 US$ 599ebay.com
12.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 US$ 749ebay.com
13.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 US$ 599ebay.com
14.
 
Panasonic FT7 117 mm 76 mm 37 mm 319 g 300 Y May 2018 US$ 449ebay.com
15.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 US$ 599ebay.com
16.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 US$ 2 499 amazon.com
17.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 US$ 1 699ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D40X was launched at a markedly lower price (by 62 percent) than the fp, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon D40X features an APS-C sensor and the Sigma fp a full frame sensor. The sensor area in the fp is 130 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 Sigma fp sensor measures

With 24MP, the fp offers a higher resolution than the D40X (10MP), but the fp has smaller individual pixels (pixel pitch of 5.98μm versus 6.11μm for the D40X). Yet, the fp is a much more recent model (by 12 years and 4 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. Coming back to sensor resolution, it should be mentioned that the fp has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sigma fp implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the fp 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 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 Sigma fp are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 6-102400.

In terms of underlying technology, the D40X is build around a CCD sensor, while the fp uses a BSI-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 fp MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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. 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.
 
Sigma fp Full Frame 24.0 6000 40004K/30p25.214.2282994
3.
 
Canon 400D APS-C 10.1 3888 2592none22.111.066462
4.
 
Canon 450D APS-C 12.2 4272 2848none21.910.869261
5.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p23.713.0160880
6.
 
Fujifilm X-T2 APS-C 24.0 6000 40004K/30p23.813.1165381
7.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
8.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
9.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
10.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
11.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
12.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
13.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
14.
 
Panasonic FT7 1/2.3 20.2 5184 38884K/30p20.612.1102851
15.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
16.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
17.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The fp indeed provides for movie recording, while the D40X does not. The highest resolution format that the fp 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 D40X has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the fp relies on live view and the rear LCD for framing. That said, the fp can be equipped with an optional viewfinder – the EVF-11. The table below summarizes some of the other core capabilities of the Nikon D40X and Sigma fp in connection with corresponding information for a sample of similar cameras.

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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.
 
Sigma fpoptional n3.2 / 2100 fixed Y 1/8000s 12.0/s n n
3.
 
Canon 400Doptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Canon 450Doptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
5.
 
Fujifilm X-Pro22360 n3.0 / 1620 fixed n 1/8000s 8.0/s n n
6.
 
Fujifilm X-T22360 n3.0 / 1040 full-flex n 1/8000s 8.0/s n n
7.
 
Nikon D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
8.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
10.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
11.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
12.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
13.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
14.
 
Panasonic FT71170 n3.0 / 1040 fixed n 1/1300s 10.0/s Y Y
15.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
16.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
17.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
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 fp 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 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 fp 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 Sigma fp 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 D40X writes its imaging data to SDHC cards, while the fp uses SDXC cards. The fp supports UHS-II cards (Ultra High Speed data transfer of up to 312 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 Sigma fp 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.
 
Sigma fpYstereo / monoY-micro3.1---
3.
 
Canon 400DY- / ----2.0---
4.
 
Canon 450DY- / ---mini2.0---
5.
 
Fujifilm X-Pro2Ystereo / monoY-micro2.0Y--
6.
 
Fujifilm X-T2Ystereo / monoY-micro3.0Y--
7.
 
Nikon D40Y- / ----2.0---
8.
 
Nikon D60Y- / ----2.0---
9.
 
Nikon D90Ymono / mono--mini2.0---
10.
 
Nikon D3000Y- / ----2.0---
11.
 
Nikon D3100Ymono / mono--mini2.0---
12.
 
Nikon D5000Ymono / mono--mini2.0---
13.
 
Olympus E-420Y- / ----2.0---
14.
 
Panasonic FT7-stereo / mono--micro2.0Y--
15.
 
Panasonic L10Y- / ----2.0---
16.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
17.
 
Sony A7Ystereo / monoYYmicro2.0YY-

The fp is a recent model that features in the current product line-up of Sigma. In contrast, the D40X has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the D40X was succeeded by the Nikon D60 . Further information on the features and operation of the D40X and fp can be found, respectively, in the Nikon D40X Manual (free pdf) or the online Sigma fp Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Nikon D40X or the Sigma fp – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Nikon D40X:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Longer lasting: Can take more shots (520 versus 280) 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 (62 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2007).

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Advantages of the Sigma fp:

  • More detail: Has more megapixels (24 vs 10MP), which boosts linear resolution by 55%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 3 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.
  • More compact: Is smaller (113x70mm vs 124x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 100g or 19 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.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More modern: Reflects 12 years and 4 months of technical progress since the D40X launch.

If the count of individual advantages (bullet points above) is taken as a guide, the fp is the clear winner of the contest (22 : 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 06:22 fp

How about other alternatives? Do the specifications of the Nikon D40X and the Sigma fp 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 incomplete and does no justice, for example, to the way the D40X or the fp 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 expert reviews 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
  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.
 
Sigma fp4/5..4/5..4/54.5/5 Jul 2019 US$ 1 899 amazon.com
3.
 
Canon 400D..+ +..+ +o4/5 Aug 2006 US$ 799ebay.com
4.
 
Canon 450D..+ +..+ +4/54.5/5 Jan 2008 US$ 799ebay.com
5.
 
Fujifilm X-Pro2..+..83/1004.5/54.5/5 Jan 2016 US$ 1 699ebay.com
6.
 
Fujifilm X-T25/5+ +..86/1004.5/55/5 Jul 2016 US$ 1 599ebay.com
7.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 US$ 499ebay.com
8.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 US$ 629ebay.com
9.
 
Nikon D90..+ +..+ +4/54.5/5 Aug 2008 US$ 1 299ebay.com
10.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 US$ 599ebay.com
11.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 US$ 599ebay.com
12.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 US$ 749ebay.com
13.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 US$ 599ebay.com
14.
 
Panasonic FT7..+....3.5/53.5/5 May 2018 US$ 449ebay.com
15.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 US$ 599ebay.com
16.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 US$ 2 499 amazon.com
17.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 US$ 1 699ebay.com
Note: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. 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 would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. 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 Sigma fp

    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 Sigma fp
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Leica L mount lenses
    Launch Date March 2007 July 2019
    Launch Price USD 729 USD 1,899
    Sensor Specs Nikon D40X Sigma fp
    Sensor Technology CCD BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.8 mm 35.9 x 23.9 mm
    Sensor Area 372.88 mm2 858.01 mm2
    Sensor Diagonal 28.4 mm 43.1 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 5.98 μm
    Pixel Density 2.69 MP/cm2 2.80 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost 100 - 3,200 ISO 6 - 102,400 ISO
    DXO Sensor Quality (score) 63 ..
    DXO Color Depth (bits) 22.4 ..
    DXO Dynamic Range (EV) 11.4 ..
    DXO Low Light (ISO) 516 ..
    Screen Specs Nikon D40X Sigma fp
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.53x
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.2inch
    LCD Resolution 230k dots 2100k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D40X Sigma fp
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash no On-Board 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 D40X Sigma fp
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.1
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D40X Sigma fp
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL9 Sigma BP-51
    Battery Life (CIPA)520 shots per charge280 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)
    113 x 70 x 45 mm
    (4.4 x 2.8 x 1.8 in)
    Camera Weight 522 g (18.4 oz) 422 g (14.9 oz)
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