Nikon Z8 vs Pentax K-3 III
The Nikon Z8 and the Pentax K-3 III are two enthusiast cameras that were officially introduced, respectively, in May 2023 and March 2021. The Z8 is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. The cameras are based on a full frame (Z8) and an APS-C (K-3 III) sensor. The Nikon has a resolution of 45.4 megapixels, whereas the Pentax provides 25.6 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Z8 and the Pentax K-3 III? 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 Z8 and the Pentax K-3 III. 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.
The K-3 III can be obtained in two different colors (black, silver), while the Z8 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is notably smaller (18 percent) than the Nikon Z8. Moreover, the K-3 III is markedly lighter (10 percent) than the Z8. 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 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 Z8 gets 340 shots out of its Nikon EN-EL15c battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack. The power pack in the Z8 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon Z8 | 144 mm | 119 mm | 83 mm | 910 g | 340 | Y | May 2023 | US$ 3 999 | amazon.com | |
2. | Pentax K-3 III | 135 mm | 104 mm | 74 mm | 820 g | 800 | Y | Mar 2021 | US$ 1 999 | amazon.com | |
3. | Canon R5 | 138 mm | 98 mm | 88 mm | 738 g | 320 | Y | Jul 2020 | US$ 3 899 | amazon.com | |
4. | Canon R5 C | 142 mm | 101 mm | 111 mm | 770 g | 320 | Y | Jan 2022 | US$ 4 499 | amazon.com | |
5. | Fujifilm X-H1 | 140 mm | 97 mm | 86 mm | 673 g | 310 | Y | Feb 2018 | US$ 1 899 | ebay.com | |
6. | Nikon D850 | 146 mm | 124 mm | 79 mm | 1005 g | 1840 | Y | Jul 2017 | US$ 3 299 | amazon.com | |
7. | Nikon Z6 | 134 mm | 101 mm | 67 mm | 675 g | 310 | Y | Aug 2018 | US$ 1 999 | ebay.com | |
8. | Nikon Z6 II | 134 mm | 101 mm | 70 mm | 705 g | 410 | Y | Oct 2020 | US$ 1 999 | amazon.com | |
9. | Nikon Z7 | 134 mm | 101 mm | 67 mm | 675 g | 330 | Y | Aug 2018 | US$ 3 399 | ebay.com | |
10. | Nikon Z7 II | 134 mm | 101 mm | 70 mm | 705 g | 420 | Y | Oct 2020 | US$ 2 999 | amazon.com | |
11. | Nikon Z9 | 149 mm | 150 mm | 91 mm | 1340 g | 740 | Y | Oct 2021 | US$ 5 499 | amazon.com | |
12. | Panasonic S1R | 149 mm | 110 mm | 97 mm | 1016 g | 380 | Y | Feb 2019 | US$ 3 699 | amazon.com | |
13. | Pentax K-3 | 131 mm | 100 mm | 77 mm | 800 g | 560 | Y | Oct 2013 | US$ 1 299 | ebay.com | |
14. | Pentax K-3 II | 131 mm | 100 mm | 77 mm | 800 g | 720 | Y | Apr 2015 | US$ 1 099 | ebay.com | |
15. | Pentax K-70 | 126 mm | 93 mm | 74 mm | 688 g | 410 | Y | Jun 2016 | US$ 649 | ebay.com | |
16. | Pentax KP | 132 mm | 101 mm | 76 mm | 703 g | 390 | Y | Jan 2017 | US$ 1 099 | ebay.com | |
17. | Sony A7R V | 131 mm | 97 mm | 82 mm | 723 g | 530 | Y | Oct 2022 | US$ 3 899 | amazon.com | |
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will naturally be influenced heavily by the price. 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 K-3 III was launched at a markedly lower price (by 50 percent) than the Z8, 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 imaging sensor is a crucial determinant 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 more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Nikon Z8 features a full frame sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III is 58 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 45.4MP, the Z8 offers a higher resolution than the K-3 III (25.6MP), but the Z8 nevertheless has larger individual pixels (pixel pitch of 4.35μm versus 3.76μm for the K-3 III) due to its larger sensor. Moreover, the Z8 is a much more recent model (by 2 years and 1 month) than the K-3 III, and its sensor will 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.
The resolution advantage of the Nikon Z8 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z8 for good quality output (200 dots per inch) amounts to 41.3 x 27.5 inches or 104.9 x 69.9 cm, for very good quality (250 dpi) 33 x 22 inches or 83.9 x 55.9 cm, and for excellent quality (300 dpi) 27.5 x 18.3 inches or 69.9 x 46.6 cm. The corresponding values for the Pentax K-3 III are 31 x 20.6 inches or 78.6 x 52.4 cm for good quality, 24.8 x 16.5 inches or 62.9 x 41.9 cm for very good quality, and 20.6 x 13.8 inches or 52.4 x 35 cm for excellent quality prints.
The Z8 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the Z8, the K-3 III has the capacity to capture high quality composite images (YESMP) 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).
The Nikon Z8 has a native sensitivity range from ISO 64 to ISO 25600, which can be extended to ISO 32-102400. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (no boost).
In terms of underlying technology, the Z8 is build around a Stacked BSI-CMOS sensor, while the K-3 III 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.
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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon Z8 | Full Frame | 45.4 | 8256 | 5504 | 8K/30p | 26.3 | 14.2 | 2548 | 98 | |
2. | Pentax K-3 III | APS-C | 25.6 | 6192 | 4128 | 4K/30p | 24.2 | 13.7 | 2083 | 85 | |
3. | Canon R5 | Full Frame | 44.8 | 8192 | 5464 | 8K/30p | 25.3 | 14.6 | 3042 | 95 | |
4. | Canon R5 C | Full Frame | 44.8 | 8192 | 5464 | 8k/60p | 25.4 | 14.5 | 3082 | 96 | |
5. | Fujifilm X-H1 | APS-C | 24.0 | 6000 | 4000 | 4K/30p | 24.0 | 13.3 | 1806 | 82 | |
6. | Nikon D850 | Full Frame | 45.4 | 8256 | 5504 | 4K/30p | 26.4 | 14.8 | 2660 | 100 | |
7. | Nikon Z6 | Full Frame | 24.3 | 6048 | 4024 | 4K/30p | 25.3 | 14.3 | 3299 | 95 | |
8. | Nikon Z6 II | Full Frame | 24.3 | 6048 | 4024 | 4K/60p | 25.0 | 14.4 | 3303 | 94 | |
9. | Nikon Z7 | Full Frame | 45.4 | 8256 | 5504 | 4K/30p | 26.3 | 14.6 | 2668 | 99 | |
10. | Nikon Z7 II | Full Frame | 45.4 | 8256 | 5504 | 4K/60p | 26.3 | 14.7 | 2841 | 100 | |
11. | Nikon Z9 | Full Frame | 45.4 | 8256 | 5504 | 8K/30p | 26.3 | 14.4 | 2451 | 98 | |
12. | Panasonic S1R | Full Frame | 46.7 | 8368 | 5584 | 4K/60p | 26.4 | 14.1 | 3525 | 100 | |
13. | Pentax K-3 | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.7 | 13.4 | 1216 | 80 | |
14. | Pentax K-3 II | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.6 | 13.6 | 1106 | 80 | |
15. | Pentax K-70 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 23.8 | 13.1 | 1639 | 80 | |
16. | Pentax KP | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.9 | 13.2 | 1699 | 81 | |
17. | Sony A7R V | Full Frame | 60.2 | 9504 | 6336 | 8k/24p | 26.5 | 14.8 | 3187 | 100 | |
Note: DXO values in italics represent estimates based on sensor size and age. |
Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the Z8 provides a higher video resolution than the K-3 III. It can shoot video footage at 8K/30p, while the Pentax is limited to 4K/30p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the Z8 has an electronic viewfinder (3690k dots), while the K-3 III 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the Z8 has a higher magnification than the one of the K-3 III (0.80x vs 0.70x), 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 Z8 and Pentax K-3 III along with similar information for a selection of comparators.
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 Z8 | 3690 | Y | 3.2 / 2089 | full-flex | Y | 1/32000s | 30.0/s | n | Y | |
2. | Pentax K-3 III | optical | Y | 3.2 / 1620 | fixed | Y | 1/8000s | 12.0/s | n | Y | |
3. | Canon R5 | 5760 | Y | 3.2 / 2100 | swivel | Y | 1/8000s | 12.0/s | n | Y | |
4. | Canon R5 C | 5760 | Y | 3.2 / 2100 | swivel | Y | 1/8000s | 12.0/s | n | n | |
5. | Fujifilm X-H1 | 3690 | Y | 3.0 / 1040 | full-flex | Y | 1/8000s | 14.0/s | n | Y | |
6. | Nikon D850 | optical | Y | 3.2 / 2359 | tilting | Y | 1/8000s | 9.0/s | n | n | |
7. | Nikon Z6 | 3690 | Y | 3.2 / 2100 | tilting | Y | 1/8000s | 12.0/s | n | Y | |
8. | Nikon Z6 II | 3690 | Y | 3.2 / 2100 | tilting | Y | 1/8000s | 14.0/s | n | Y | |
9. | Nikon Z7 | 3690 | Y | 3.2 / 2100 | tilting | Y | 1/8000s | 9.0/s | n | Y | |
10. | Nikon Z7 II | 3690 | Y | 3.2 / 2100 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
11. | Nikon Z9 | 3690 | Y | 3.2 / 2089 | full-flex | Y | 1/32000s | 30.0/s | n | Y | |
12. | Panasonic S1R | 5760 | Y | 3.2 / 2100 | full-flex | Y | 1/8000s | 9.0/s | n | Y | |
13. | Pentax K-3 | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | Y | Y | |
14. | Pentax K-3 II | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | n | Y | |
15. | Pentax K-70 | optical | n | 3.0 / 921 | swivel | n | 1/6000s | 6.0/s | Y | Y | |
16. | Pentax KP | optical | n | 3.0 / 921 | tilting | n | 1/6000s | 7.0/s | Y | Y | |
17. | Sony A7R V | 9440 | n | 3.2 / 2100 | full-flex | Y | 1/8000s | 10.0/s | n | Y | |
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
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 Z8 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 Nikon Z8 and the Pentax K-3 III both have 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 Z8 writes its imaging data to CFexpress (type B) or SDXC cards, while the K-3 III uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both the Z8 and the K-3 III support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s (the second slot of the K-3 III only offers slower UHS-I transfer rates, though).
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 Z8 and Pentax K-3 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon Z8 | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
2. | Pentax K-3 III | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
3. | Canon R5 | Y | mono / mono | Y | Y | micro | 3.2 | Y | - | Y | |
4. | Canon R5 C | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
5. | Fujifilm X-H1 | Y | stereo / mono | Y | - | micro | 3.0 | Y | - | - | |
6. | Nikon D850 | Y | stereo / mono | Y | Y | mini | 3.0 | Y | Y | Y | |
7. | Nikon Z6 | Y | stereo / mono | Y | Y | micro | 3.1 | Y | - | Y | |
8. | Nikon Z6 II | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
9. | Nikon Z7 | Y | stereo / mono | Y | Y | micro | 3.1 | Y | - | Y | |
10. | Nikon Z7 II | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
11. | Nikon Z9 | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
12. | Panasonic S1R | Y | stereo / mono | Y | Y | full | 3.1 | Y | - | Y | |
13. | Pentax K-3 | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
14. | Pentax K-3 II | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
15. | Pentax K-70 | Y | stereo / mono | Y | - | mini | 2.0 | Y | - | - | |
16. | Pentax KP | Y | stereo / mono | Y | - | - | 2.0 | Y | - | - | |
17. | Sony A7R V | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y |
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Travel and landscape photographers will find it useful that both cameras feature internal geolocalization sensors and can record GPS coordinates in their EXIF data.
Both the Z8 and the K-3 III are recent models that are part of the current product line-up. The K-3 III replaced the earlier Pentax K-3 II, while the Z8 does not have a direct predecessor. Further information on the features and operation of the Z8 and K-3 III can be found, respectively, in the Nikon Z8 Manual (free pdf) or the online Pentax K-3 III Manual.
Review summary
So what conclusions can be drawn? Is there a clear favorite between the Nikon Z8 and the Pentax K-3 III? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Nikon Z8:
- More detail: Offers more megapixels (45.4 vs 25.6MP) with a 33% higher linear resolution.
- Better image quality: Features a larger and more technologically advanced imaging 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.
- Better video: Provides higher definition movie capture (8K/30p vs 4K/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.80x vs 0.70x).
- More detailed LCD: Has a higher resolution rear screen (2089k vs 1620k dots).
- More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/32000s vs 1/8000s) to freeze action.
- Faster burst: Shoots at higher frequency (30 vs 12 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier travel charging: Can be conveniently charged via its USB port.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
- More modern: Reflects 2 years and 1 month of technical progress since the K-3 III launch.
Advantages of the Pentax K-3 III:
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- More compact: Is smaller (135x104mm vs 144x119mm) and will fit more readily into a bag.
- Longer lasting: Gets more shots (800 versus 340) out of a single battery charge.
- More affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in March 2021).
If the count of individual advantages (bullet points above) is taken as a guide, the Z8 is the clear winner of the match-up (18 : 6 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.
How about other alternatives? Do the specifications of the Nikon Z8 and the Pentax K-3 III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 Z8 or the K-3 III 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Nikon Z8 | 5/5 | .. | 5/5 | 94/100 | 5/5 | 4.5/5 | May 2023 | US$ 3 999 | amazon.com | |
2. | Pentax K-3 III | 4/5 | .. | 3/5 | .. | 4.5/5 | .. | Mar 2021 | US$ 1 999 | amazon.com | |
3. | Canon R5 | 4.5/5 | + | 4/5 | 91/100 | 4.5/5 | 4.5/5 | Jul 2020 | US$ 3 899 | amazon.com | |
4. | Canon R5 C | .. | + + | .. | .. | .. | .. | Jan 2022 | US$ 4 499 | amazon.com | |
5. | Fujifilm X-H1 | .. | + | 5/5 | 86/100 | 4.5/5 | 4.5/5 | Feb 2018 | US$ 1 899 | ebay.com | |
6. | Nikon D850 | 4.5/5 | + + | 5/5 | 89/100 | 4.5/5 | 5/5 | Jul 2017 | US$ 3 299 | amazon.com | |
7. | Nikon Z6 | 5/5 | .. | 5/5 | 89/100 | 4.5/5 | 5/5 | Aug 2018 | US$ 1 999 | ebay.com | |
8. | Nikon Z6 II | 4.5/5 | .. | 4/5 | 89/100 | 4.5/5 | 4.5/5 | Oct 2020 | US$ 1 999 | amazon.com | |
9. | Nikon Z7 | 5/5 | + | 4.8/5 | 89/100 | 4.5/5 | 5/5 | Aug 2018 | US$ 3 399 | ebay.com | |
10. | Nikon Z7 II | 4.5/5 | .. | 4.5/5 | .. | 4.5/5 | 4.5/5 | Oct 2020 | US$ 2 999 | amazon.com | |
11. | Nikon Z9 | 5/5 | .. | 4.5/5 | 94/100 | 5/5 | 5/5 | Oct 2021 | US$ 5 499 | amazon.com | |
12. | Panasonic S1R | 4.5/5 | .. | 4.6/5 | 89/100 | 4.5/5 | 4.5/5 | Feb 2019 | US$ 3 699 | amazon.com | |
13. | Pentax K-3 | 4/5 | .. | .. | 83/100 | 5/5 | 5/5 | Oct 2013 | US$ 1 299 | ebay.com | |
14. | Pentax K-3 II | 4.5/5 | .. | .. | .. | 5/5 | 5/5 | Apr 2015 | US$ 1 099 | ebay.com | |
15. | Pentax K-70 | 4.5/5 | .. | 4/5 | 79/100 | 4.5/5 | 4.5/5 | Jun 2016 | US$ 649 | ebay.com | |
16. | Pentax KP | 4/5 | .. | 3/5 | 82/100 | 5/5 | 4.5/5 | Jan 2017 | US$ 1 099 | ebay.com | |
17. | Sony A7R V | 5/5 | + + | 4.5/5 | 92/100 | .. | .. | Oct 2022 | US$ 3 899 | amazon.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
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.
- Canon 550D vs Nikon Z8
- Canon G9 X Mark II vs Nikon Z8
- Fujifilm X-T100 vs Nikon Z8
- Fujifilm X-T20 vs Pentax K-3 III
- Nikon D3100 vs Nikon Z8
- Nikon D7100 vs Pentax K-3 III
- Nikon Z8 vs Sony A7 IV
- Nikon Z8 vs Sony A9
- Pentax K-3 III vs Sony A6100
- Pentax K-3 III vs Sony A7C R
- Pentax K-3 III vs Sony RX100 VII
- Pentax K-3 III vs Sony ZV-E10
Specifications: Nikon Z8 vs Pentax K-3 III
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 Model | Nikon Z8 | Pentax K-3 III |
---|---|---|
Camera Type | Mirrorless system camera | Digital single lens reflex |
Camera Lens | Nikon Z mount lenses | Pentax K mount lenses |
Launch Date | May 2023 | March 2021 |
Launch Price | USD 3,999 | USD 1,999 |
Sensor Specs | Nikon Z8 | Pentax K-3 III |
Sensor Technology | Stacked BSI-CMOS | CMOS |
Sensor Format | Full Frame Sensor | APS-C Sensor |
Sensor Size | 35.9 x 23.9 mm | 23.3 x 15.5 mm |
Sensor Area | 858.01 mm2 | 361.15 mm2 |
Sensor Diagonal | 43.1 mm | 28 mm |
Crop Factor | 1.0x | 1.5x |
Sensor Resolution | 45.4 Megapixels | 25.6 Megapixels |
Image Resolution | 8256 x 5504 pixels | 6192 x 4128 pixels |
Pixel Pitch | 4.35 μm | 3.76 μm |
Pixel Density | 5.30 MP/cm2 | 7.08 MP/cm2 |
Moiré control | no AA filter | no AA filter |
Movie Capability | 8K/30p Video | 4K/30p Video |
ISO Setting | 64 - 25,600 ISO | 100 - 160,000 ISO |
ISO Boost | 32 - 102,400 ISO | no Enhancement |
Image Processor | EXPEED 7 | PRIME V |
DXO Sensor Quality (score) | 98 | .. |
DXO Color Depth (bits) | 26.3 | .. |
DXO Dynamic Range (EV) | 14.2 | .. |
DXO Low Light (ISO) | 2548 | .. |
Screen Specs | Nikon Z8 | Pentax K-3 III |
Viewfinder Type | Electronic viewfinder | Optical viewfinder |
Viewfinder Field of View | 100% | 100% |
Viewfinder Magnification | 0.80x | 0.70x |
Viewfinder Resolution | 3690k dots | |
Top-Level Screen | Control Panel | Control Panel |
LCD Framing | Live View | Live View |
Rear LCD Size | 3.2inch | 3.2inch |
LCD Resolution | 2089k dots | 1620k dots |
LCD Attachment | Fully flexible screen | Fixed screen |
Touch Input | Touchscreen | Touchscreen |
Shooting Specs | Nikon Z8 | Pentax K-3 III |
Focus System | On-Sensor Phase-detect | Phase-detect AF |
Manual Focusing Aid | Focus Peaking | Focus Peaking |
Max Shutter Speed (mechanical) | 1/32000s | 1/8000s |
Continuous Shooting | 30 shutter flaps/s | 12 shutter flaps/s |
Electronic Shutter | up to 1/32000s | no E-Shutter |
Time-Lapse Photography | Intervalometer built-in | Intervalometer built-in |
Image Stabilization | In-body stabilization | In-body stabilization |
Fill Flash | no On-Board Flash | no On-Board Flash |
Storage Medium | CFexB or SDXC cards | SDXC cards |
Single or Dual Card Slots | Dual card slots | Dual card slots |
UHS card support | UHS-II | Single UHS-II |
Connectivity Specs | Nikon Z8 | Pentax K-3 III |
External Flash | Hotshoe | Hotshoe |
Studio Flash | PC Sync socket | PC Sync socket |
USB Connector | USB 3.2 | USB 3.2 |
HDMI Port | full HDMI | micro HDMI |
Microphone Port | External MIC port | External MIC port |
Headphone Socket | Headphone port | Headphone port |
Wifi Support | Wifi built-in | Wifi built-in |
Bluetooth Support | Bluetooth built-in | Bluetooth built-in |
Geotagging | GPS built-in | GPS built-in |
Body Specs | Nikon Z8 | Pentax K-3 III |
Environmental Sealing | Weathersealed body | Weathersealed body |
Battery Type | Nikon EN-EL15c | Pentax D-LI90 |
Battery Life (CIPA) | 340 shots per charge | 800 shots per charge |
In-Camera Charging | USB charging | no USB charging |
Body Dimensions |
144 x 119 x 83 mm (5.7 x 4.7 x 3.3 in) |
135 x 104 x 74 mm (5.3 x 4.1 x 2.9 in) |
Camera Weight | 910 g (32.1 oz) | 820 g (28.9 oz) |
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