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Nikon D100 vs D7500

The Nikon D100 and the Nikon D7500 are two enthusiast cameras that were revealed to the public, respectively, in February 2002 and April 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The D100 has a resolution of 6 megapixels, whereas the D7500 provides 20.7 MP.

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

Headline Specifications
Nikon D100 versus Nikon D7500
Nikon D100 Nikon D7500
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Nikon F mount lenses
6 MP, APS-C Sensor 20.7 MP, APS-C Sensor
no Video 4K/30p Video
ISO 200-800 (200 - 1,600) ISO 100-51,200 (50 - 1,640,000)
Optical viewfinder Optical viewfinder
1.8 LCD, 118k dots 3.2 LCD, 922k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
3 shutter flaps per second 8 shutter flaps per second
not weather sealedWeathersealed body
370 shots per battery charge950 shots per battery charge
144 x 116 x 81 mm, 780 g 136 x 104 x 73 mm, 720 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D100 and the Nikon D7500? 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 D100 and the Nikon D7500. 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.

Size Nikon D100 vs Nikon D7500
Compare D100 versus D7500 top
Comparison D100 or D7500 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D7500 is notably smaller (15 percent) than the Nikon D100. Moreover, the D7500 is markedly lighter (8 percent) than the D100. It is noteworthy in this context that the D7500 is splash and dust-proof, while the D100 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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Nikon Lens Catalog.

Concerning battery life, the D100 gets 370 shots out of its EN-EL3 battery, while the D7500 can take 950 images on a single charge of its EN-EL15a 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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Nikon D100 144 mm 116 mm 81 mm 780 g 370 n Feb 2002 1,999i
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199i
 
Canon 10D 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 1,999i
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
 
Nikon D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199i
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799i
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299i
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799i
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499i
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999i
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 899i
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699i
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 n Jan 2004 999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. 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 D7500 was launched at a markedly lower price (by 35 percent) than the D100, 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 size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D100 and Nikon D7500 sensor measures

Despite having a slightly smaller sensor, the D7500 offers a higher resolution of 20.7 megapixels, compared with 6 MP of the D100. 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 4.22μm versus 7.85μm for the D100). However, it should be noted that the D7500 is much more recent (by 15 years and 1 month) than the D100, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the D7500 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon D7500 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D7500 for good quality output (200 dots per inch) amounts to 27.8 x 18.6 inches or 70.7 x 47.1 cm, for very good quality (250 dpi) 22.3 x 14.8 inches or 56.6 x 37.7 cm, and for excellent quality (300 dpi) 18.6 x 12.4 inches or 47.1 x 31.4 cm. The corresponding values for the Nikon D100 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 D100 has a native sensitivity range from ISO 200 to ISO 800, which can be extended to ISO 200-1600. The corresponding ISO settings for the Nikon D7500 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-1640000.

D100 versus D7500 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"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Nikon D100 APS-C 6.0 3008 2000none........
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
 
Nikon D70 APS-C 6.0 3008 2000none20.410.352950

Many modern cameras cannot only take still pictures, but also record videos. The D7500 indeed provides for movie recording, while the D100 does not. The highest resolution format that the D7500 can use is 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The D100 and the D7500 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the D7500 offers a wider field of view (100%) than the one in the D100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the D7500 has a higher magnification (0.61x 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 D100 and Nikon D7500 along with similar information for a selection of comparators.

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Core Features
  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
 
Nikon D100optical Y 1.8 118 fixed n 1/4000s 3.0 Y n
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon 10Doptical Y 1.8 118 fixed n 1/4000s 3.0 Y n
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Nikon D7100optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
 
Nikon D300Soptical Y 3.0 920 fixed n 1/8000s 7.0 Y n
 
Nikon D90optical Y 3.0 920 fixed n 1/4000s 4.5 Y n
 
Nikon D300optical Y 3.0 922 fixed n 1/8000s 6.0 Y n
 
Nikon D40optical n 2.5 230 fixed n 1/4000s 2.5 Y n
 
Nikon D80optical n 2.5 230 fixed n 1/4000s 3.0 Y n
 
Nikon D70soptical n 2.0 130 fixed n 1/8000s 3.0 Y n
 
Nikon D200optical Y 2.5 230 fixed n 1/8000s 5.0 Y n
 
Nikon D70optical n 1.8 130 fixed n 1/8000s 3.0 Y n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The D7500 has a touchscreen, while the D100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Nikon D7500 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 D100 writes its imaging data to Compact Flash cards, while the D7500 uses SDXC 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 D100 and Nikon D7500 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Nikon D100Y-----1.1---
 
Nikon D7500YstereomonoYYmini2.0Y-Y
 
Canon 80DYstereomonoYYmini2.0YY-
 
Canon 10DY-----1.1---
 
Nikon D500YstereomonoYYmini3.0YYY
 
Nikon D7200YstereomonoYYmini2.0YY-
 
Nikon D7100YstereomonoYYmini2.0---
 
Nikon D7000YmonomonoY-mini2.0---
 
Nikon D300SYstereomonoY-mini2.0---
 
Nikon D90Ymonomono--mini2.0---
 
Nikon D300Y----mini2.0---
 
Nikon D40Y-----2.0---
 
Nikon D80Y-----2.0---
 
Nikon D70sY-----2.0---
 
Nikon D200Y-----2.0---
 
Nikon D70Y-----1.0---

It is notable that the D7500 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D100 does not provide wifi capability.

The D7500 is a recent model that features in the current product line-up of Nikon. In contrast, the D100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D100 was succeeded by the Nikon D200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon website.

Review summary

So what is the bottom line? Is the Nikon D100 better than the Nikon D7500 or vice versa? The listing below highlights the relative strengths of the two models.


Advantages of the Nikon D100:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More heavily discounted: Has been available for much longer (launched in February 2002).


Arguments in favor of the Nikon D7500:

  • More detail: Has more megapixels (20.7 vs 6MP), which boosts linear resolution by 85%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • 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 (0.61x vs 0.53x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (922k vs 118k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • 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 (8 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (136x104mm vs 144x116mm) and will fit more readily into a bag.
  • Longer lasting: Gets more shots (950 versus 370) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.1).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (35 percent cheaper at launch).
  • More modern: Reflects 15 years and 1 month of technical progress since the D100 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the D7500 is the clear winner of the contest (20 : 2 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D100 02:20 D7500

How about other alternatives? Do the specifications of the Nikon D100 and the Nikon D7500 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 says little about, for example, the shooting experience and imaging performance of the D100 and the D7500 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Nikon D100..+ +oo.. Feb 2002 1,999i
 
Nikon D7500+ +86/1005/54.5/54.5/5 Apr 2017 1,299 i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Canon 10D..+ +..o.. Feb 2003 1,999i
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 i
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199i
 
Nikon D7100+ +85/1004.5/55/54.5/5 Feb 2013 1,199i
 
Nikon D7000..80/1004.5/55/54.5/5 Sep 2010 1,499i
 
Nikon D300S+ +82/1004/55/54.5/5 Jul 2009 1,799i
 
Nikon D90+ ++ +4/55/54.5/5 Aug 2008 1,299i
 
Nikon D300+ ++ +5/5o4.5/5 Aug 2007 1,799i
 
Nikon D4081/100+ +o5/54.5/5 Nov 2006 499i
 
Nikon D80++ +o4.5/54.5/5 Aug 2006 999i
 
Nikon D70s......o5/5 Apr 2005 899i
 
Nikon D200+ ++ +o5/5.. Nov 2005 1,699i
 
Nikon D70..+ +..o.. Jan 2004 999i
Notes: (+ +) 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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D100:
Check Ebay offers
Nikon D7500:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu 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 D100 vs Nikon D7500

    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 D100 Nikon D7500
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Nikon F mount lenses
    Launch Date February 2002 April 2017
    Launch Price USD 1,999 USD 1,299
    Sensor Specs Nikon D100 Nikon D7500
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.7 x 15.6 mm 23.5 x 15.7 mm
    Sensor Area 369.72 mm2 368.95 mm2
    Sensor Diagonal 28.4 mm 28.3 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 6 Megapixels 20.7 Megapixels
    Image Resolution 3008 x 2000 pixels 5568 x 3712 pixels
    Pixel Pitch 7.85 μm 4.22 μm
    Pixel Density 1.63 MP/cm2 5.60 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 200 - 800 ISO 100 - 51,200 ISO
    ISO Boost 200 - 1,600 ISO 50 - 1,640,000 ISO
    DXO Sensor Quality (score) .. 86
    DXO Color Depth (bits) .. 24.3
    DXO Dynamic Range (EV) .. 14.0
    DXO Low Light (ISO) .. 1483
    Screen Specs Nikon D100 Nikon D7500
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.61x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View
    Rear LCD Size 1.8inch 3.2inch
    LCD Resolution 118k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D100 Nikon D7500
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 8 shutter flaps/s
    Shutter Life Expectancy50 000 actuations150 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF cards SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Nikon D100 Nikon D7500
    External Flash Hotshoe Hotshoe
    USB Connector USB 1.1 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D100 Nikon D7500
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL3 EN-EL15a
    Battery Life (CIPA)370 shots per charge950 shots per charge
    Body Dimensions 144 x 116 x 81 mm
    (5.7 x 4.6 x 3.2 in)
    136 x 104 x 73 mm
    (5.4 x 4.1 x 2.9 in)
    Camera Weight 780 g (27.5 oz) 720 g (25.4 oz)

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