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Nikon D7500 versus Pentax K-3 II

The Nikon D7500 and the Pentax K-3 II are two enthusiast cameras that were announced, respectively, in April 2017 and April 2015. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Nikon has a resolution of 20.7 megapixel, whereas the Pentax provides 24.1 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Nikon D7500 vs Pentax K-3 II

The physical size and weight of the Nikon D7500 and the Pentax K-3 II are illustrated 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. You can also toggle the display to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the D7500 – represents 100 percent across all the size and weight measures).

Compare Nikon D7500 vs Pentax K-3 II
Compare D7500 versus K-3 II top
Compare D7500 and K-3 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 II is notably smaller (7 percent) than the Nikon D7500. However, the K-3 II is markedly heavier (11 percent) than the D7500. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 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 D7500 gets 950 shots out of its EN-EL15a battery, while the K-3 II can take 720 images on a single charge of its D-LI90 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Nikon D7500» 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i i Nikon D7500
Pentax K-3 II« 5.2 in 3.9 in 3.0 in 28.2 oz 720 Y Apr 2015 1,099 i i Pentax K-3 II
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
Nikon D5600« » 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i i Nikon D5600
Nikon D5« » 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499 i i Nikon D5
Nikon D500« » 5.8 in 4.5 in 3.2 in 30.3 oz 1240 Y Jan 2016 1,999 i i Nikon D500
Nikon D3400« » 4.9 in 3.9 in 3.0 in 15.7 oz 1200 n Aug 2016 499- i Nikon D3400
Nikon D7200« » 5.4 in 4.2 in 3.0 in 27.0 oz 1110 Y Mar 2015 1,199- i Nikon D7200
Nikon D7100« » 5.4 in 4.2 in 3.0 in 27.0 oz 950 Y Feb 2013 1,199- i Nikon D7100
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i i Nikon D610
Nikon D7000« » 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499- i Nikon D7000
Nikon D90« » 5.2 in 4.1 in 3.0 in 24.8 oz 850 n Aug 2008 1,299- i Nikon D90
Pentax KP« » 5.2 in 4.0 in 3.0 in 24.8 oz 390 Y Jan 2017 1,099 i i Pentax KP
Pentax K-70« » 5.0 in 3.7 in 2.9 in 24.3 oz 410 Y Jun 2016 649 i i Pentax K-70
Pentax K-3« » 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299- i Pentax K-3
Pentax K-5« » 5.2 in 3.8 in 2.9 in 26.8 oz 740 Y Sep 2010 1,099- i Pentax K-5

The camera’s price is obviously a critical decision-making factor. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-3 II was launched at a somewhat lower price (by 15 percent) than the D7500, which makes it more attractive for photographers on a tight budget. 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: Nikon D7500 vs Pentax K-3 II

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. 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 tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-3 II is 1 percent smaller. 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 D7500 and Pentax K-3 II sensor measures

Despite having a slightly smaller sensor, the K-3 II offers a higher resolution of 24.1 megapixel, compared with 20.7 MP of the D7500. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.90μm versus 4.22μm for the D7500). Moreover, it should be noted that the D7500 is a somewhat more recent model (by 1 year and 11 months) than the K-3 II, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the K-3 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the D7500, the K-3 II has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

D7500 versus K-3 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 review, the D7500 has a notably higher overall DXO score than the K-3 II (overall score 6 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.7 bits higher color depth, 0.4 EV in additional dynamic range, and 0.4 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Nikon D7500» APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
Pentax K-3 II« APS-C 24.1 6016 40001080/60i23.613.6110680Pentax K-3 II
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
Nikon D5« » Full Frame 20.7 5588 37124K/30p25.112.3234388Nikon D5
Nikon D500« » APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
Nikon D3400« » APS-C 24.0 6000 40001080/60p24.813.9119286Nikon D3400
Nikon D7200« » APS-C 24.0 6000 40001080/60p24.514.6133387Nikon D7200
Nikon D7100« » APS-C 24.0 6000 40001080/60p24.213.7125683Nikon D7100
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
Nikon D7000« » APS-C 16.1 4928 326410800/24p23.513.9116780Nikon D7000
Nikon D90« » APS-C 12.2 4288 2848720/24p22.712.597773Nikon D90
Pentax KP« » APS-C 24.1 6016 40001080/60i----Pentax KP
Pentax K-70« » APS-C 24.0 6000 40001080/60i----Pentax K-70
Pentax K-3« » APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
Pentax K-5« » APS-C 16.1 4928 32641080/25p23.714.1116282Pentax K-5

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the D7500 provides a higher video resolution than the K-3 II. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/60i.

 

Feature comparison: Nikon D7500 vs Pentax K-3 II

Beyond body and sensor, cameras can and do differ across a range of features. The D7500 and the K-3 II 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 adjacent table lists some of the other core features of the Nikon D7500 and Pentax K-3 II along with similar information for a selection of comparators. The full specs-sheets can be found in the camera manual or in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Nikon D7500»optical Y 3.2 922 tilting Y 8000 8.0 Y n Nikon D7500
Pentax K-3 II«optical Y 3.2 1037 fixed n 8000 8.3 n Y Pentax K-3 II
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Nikon D5600« »optical n 3.2 1037 swivel Y 4000 5.0 Y n Nikon D5600
Nikon D5« »optical Y 3.2 2359 fixed Y 8000 14.0 n n Nikon D5
Nikon D500« »optical Y 3.2 2359 tilting Y 8000 10.0 n n Nikon D500
Nikon D3400« »optical n 3.0 921 fixed n 4000 5.0 Y n Nikon D3400
Nikon D7200« »optical Y 3.2 1229 fixed n 8000 6.0 Y n Nikon D7200
Nikon D7100« »optical Y 3.2 1229 fixed n 8000 6.0 Y n Nikon D7100
Nikon D610« »optical Y 3.2 921 fixed n 4000 6.0 Y n Nikon D610
Nikon D7000« »optical Y 3.0 921 fixed n 8000 6.0 Y n Nikon D7000
Nikon D90« »optical Y 3.0 920 fixed n 4000 4.5 Y n Nikon D90
Pentax KP« »optical n 3.0 921 tilting n 6000 7.0 Y Y Pentax KP
Pentax K-70« »optical n 3.0 921 swivel n 6000 6.0 Y Y Pentax K-70
Pentax K-3« »optical Y 3.2 1037 fixed n 8000 8.3 Y Y Pentax K-3
Pentax K-5« »optical Y 3.0 921 fixed n 8000 7.0 Y Y Pentax K-5

One difference between the cameras concerns the presence of an on-board flash. The D7500 has one, while the K-3 II does not. While the build-in flash of the D7500 is not very powerful, it can at times be useful as a fill-in light.

Both the D7500 and the K-3 II write their imaging data to SDXC cards. The K-3 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the D7500 only has one slot.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Nikon D7500»YstereomonoYYmini2.0Y-YNikon D7500
Pentax K-3 II«YmonomonoYYmini3.0---Pentax K-3 II
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Nikon D5600« »YstereomonoY-mini2.0YYYNikon D5600
Nikon D5« »YstereomonoYYmini3.0---Nikon D5
Nikon D500« »YstereomonoYYmini3.0YYYNikon D500
Nikon D3400« »Ymonomono--mini2.0Y-YNikon D3400
Nikon D7200« »YstereomonoYYmini2.0YY-Nikon D7200
Nikon D7100« »YstereomonoYYmini2.0---Nikon D7100
Nikon D610« »YmonomonoYYmini2.0---Nikon D610
Nikon D7000« »YmonomonoY-mini2.0---Nikon D7000
Nikon D90« »Ymonomono--mini2.0---Nikon D90
Pentax KP« »YstereomonoY--2.0Y--Pentax KP
Pentax K-70« »YstereomonoY-mini2.0Y--Pentax K-70
Pentax K-3« »YmonomonoYYmini3.0---Pentax K-3
Pentax K-5« »YstereomonoY-mini2.0---Pentax K-5

Both the D7500 and the K-3 II are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The K-3 II replaced the earlier Pentax K-3, while the D7500 followed on from the Nikon D7200.

Review summary: Nikon D7500 vs Pentax K-3 II

So what conclusions can be drawn? Is the Nikon D7500 better than the Pentax K-3 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Nikon D7500:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores markedly higher (6 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (0.4 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Less heavy: Is lighter (by 80g or 10 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (950 versus 720) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi build in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Is somewhat more recent (announced 1 year and 11 months after the K-3 II).

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Arguments in favor of the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 20.7MP), which boosts linear resolution by 8%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 922k dots).
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was released into a lower priced segment (15 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in April 2015).

If the count of relative strengths (bullet points above) is taken as a measure, the D7500 emerges as the winner of the contest (12 : 9 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.

D7500 12:09 K-3 II

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the D7500 or the K-3 II handle or 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. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Nikon D7500»HiRec86/1005/54.5/54.5/5 Apr 2017 1,299 i i Nikon D7500
Pentax K-3 II«--5/54.5/55/5 Apr 2015 1,099 i i Pentax K-3 II
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i Nikon D5600
Nikon D5« »-89/1004.5/55/55/5 Jan 2016 6,499 i i Nikon D5
Nikon D500« »HiRec91/1004.5/55/55/5 Jan 2016 1,999 i i Nikon D500
Nikon D3400« »Rec76/1004/54.5/54.5/5 Aug 2016 499- i Nikon D3400
Nikon D7200« »HiRec84/1004.5/54/54.5/5 Mar 2015 1,199- i Nikon D7200
Nikon D7100« »HiRec85/1004.5/55/54.5/5 Feb 2013 1,199- i Nikon D7100
Nikon D610« »HiRec87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610
Nikon D7000« »-80/1004.5/55/54.5/5 Sep 2010 1,499- i Nikon D7000
Nikon D90« »HiRecHiRec4/55/54.5/5 Aug 2008 1,299- i Nikon D90
Pentax KP« »-82/1005/5-4.5/5 Jan 2017 1,099 i i Pentax KP
Pentax K-70« »-79/1004.5/54/54.5/5 Jun 2016 649 i i Pentax K-70
Pentax K-3« »-83/1005/54.5/55/5 Oct 2013 1,299- i Pentax K-3
Pentax K-5« »-83/1005/54.5/54.5/5 Sep 2010 1,099- i Pentax K-5

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

 

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you cannot find the camera you are interested in, kindly get in touch, and I will try to locate and add the respective data to the application.

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