Nikon D610 vs Pentax K-3 II
The Nikon D610 and the Pentax K-3 II are two enthusiast cameras that were announced, respectively, in October 2013 and April 2015. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (D610) and an APS-C (K-3 II) sensor. The Nikon has a resolution of 24.2 megapixels, whereas the Pentax provides 24.1 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 D610 and the Pentax K-3 II? 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.
The side-by-side display below illustrates the physical size and weight of the Nikon D610 and the Pentax K-3 II. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.
The K-3 II can be obtained in two different colors (black, silver), while the D610 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 II is notably smaller (18 percent) than the Nikon D610. Moreover, the K-3 II is markedly lighter (6 percent) than the D610. 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.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
|1.||Nikon D610||141 mm||113 mm||82 mm||850 g||900||Y||Oct 2013||1,999|
|2.||Pentax K-3 II||131 mm||100 mm||77 mm||800 g||720||Y||Apr 2015||1,099|
|3.||Canon 6D Mark II||144 mm||111 mm||75 mm||765 g||1200||Y||Jun 2017||1,999|
|4.||Canon 6D||145 mm||111 mm||71 mm||770 g||1090||Y||Sep 2012||2,099|
|5.||Nikon D780||144 mm||116 mm||76 mm||840 g||2260||Y||Jan 2020||2,299|
|6.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999|
|7.||Nikon D750||141 mm||113 mm||78 mm||750 g||1230||Y||Sep 2014||2,299|
|8.||Nikon D810||146 mm||123 mm||82 mm||980 g||1200||Y||Jun 2014||3,299|
|9.||Nikon Df||144 mm||110 mm||67 mm||760 g||1400||Y||Nov 2013||2,749|
|10.||Nikon D600||141 mm||113 mm||82 mm||850 g||900||Y||Sep 2012||2,099|
|11.||Nikon D800||146 mm||123 mm||82 mm||1000 g||900||Y||Feb 2012||2,999|
|12.||Nikon D800E||146 mm||123 mm||82 mm||1000 g||900||Y||Feb 2012||3,299|
|13.||Pentax K-3 III||135 mm||104 mm||74 mm||820 g||800||Y||Mar 2021||1,999|
|14.||Pentax KP||132 mm||101 mm||76 mm||703 g||390||Y||Jan 2017||1,099|
|15.||Pentax K-S2||123 mm||91 mm||73 mm||678 g||410||Y||Feb 2015||749|
|16.||Pentax K-3||131 mm||100 mm||77 mm||800 g||560||Y||Oct 2013||1,299|
|17.||Pentax K-5 II||131 mm||97 mm||73 mm||760 g||740||Y||Sep 2012||1,099|
|Notes: 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 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 II was launched at a markedly lower price (by 45 percent) than the D610, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. 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 more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Nikon D610 features a full frame sensor and the Pentax K-3 II an APS-C sensor. The sensor area in the K-3 II is 57 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.
In terms of underlying technology, both cameras are build around CMOS sensors.
With 24.2MP, the D610 offers a slightly higher resolution than the K-3 II (24.1MP), but the D610 nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 3.90μm for the K-3 II) due to its larger sensor. However, the K-3 II is a somewhat more recent model (by 1 year and 6 months) than the D610, and its sensor might have benefitted from technological advances during this time that 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 D610, 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).
The Nikon D610 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-25600. The corresponding ISO settings for the Pentax K-3 II are ISO 100 to ISO 51200 (no boost).
Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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. Of the two cameras under review, the D610 provides substantially higher image quality than the K-3 II, with an overall score that is 14 points higher. This advantage is based on 1.5 bits higher color depth, 0.8 EV in additional dynamic range, and 1.4 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
| DXO |
|1.||Nikon D610||Full Frame||24.2||6016||4016||1080/30p||25.1||14.4||2925||94|
|2.||Pentax K-3 II||APS-C||24.1||6016||4000||1080/60i||23.6||13.6||1106||80|
|3.||Canon 6D Mark II||Full Frame||26.0||6240||4160||1080/60p||24.4||11.9||2862||85|
|4.||Canon 6D||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82|
|5.||Nikon D780||Full Frame||24.3||6048||4024||4K/30p||..||..||..||..|
|7.||Nikon D750||Full Frame||24.2||6016||4016||1080/60p||24.8||14.5||2956||93|
|8.||Nikon D810||Full Frame||36.2||7360||4912||1080/60p||25.7||14.8||2853||97|
|9.||Nikon Df||Full Frame||16.2||4928||3280||none||24.6||13.1||3279||89|
|10.||Nikon D600||Full Frame||24.2||6016||4016||1080/30p||25.1||14.2||2980||94|
|11.||Nikon D800||Full Frame||36.2||7360||4912||1080/30p||25.3||14.4||2853||95|
|12.||Nikon D800E||Full Frame||36.2||7360||4912||1080/30p||25.6||14.3||2979||96|
|13.||Pentax K-3 III||APS-C||25.6||6192||4128||4K/30p||..||..||..||..|
|17.||Pentax K-5 II||APS-C||16.1||4928||3264||1080/25p||23.8||14.1||1235||82|
Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the K-3 II provides a faster frame rate than the D610. It can shoot movie footage at 1080/60i, while the Nikon is limited to 1080/30p.
Apart from body and sensor, cameras can and do differ across a variety of features. The D610 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the D610 has a higher magnification than the one of the K-3 II (0.70x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D610 and Pentax K-3 II in connection with corresponding information for a sample of similar cameras.
|2.||Pentax K-3 II||optical||Y||3.2||1037||fixed||n||1/8000s||8.3||n||Y|
|3.||Canon 6D Mark II||optical||Y||3.0||1040||swivel||Y||1/4000s||6.5||n||n|
|13.||Pentax K-3 III||optical||Y||3.2||1620||fixed||Y||1/8000s||12.0||n||Y|
|17.||Pentax K-5 II||optical||Y||3.0||921||fixed||n||1/8000s||7.0||Y||Y|
One difference between the cameras concerns the presence of an on-board flash. The D610 has one, while the K-3 II does not. While the built-in flash of the D610 is not very powerful, it can at times be useful as a fill-in light.
The Nikon D610 and the Pentax K-3 II 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.
Concerning the storage of imaging data, both the D610 and the K-3 II write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
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 D610 and Pentax K-3 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
| NFC |
|2.||Pentax K-3 II||Y||mono||mono||Y||Y||mini||3.0||-||-||-|
|3.||Canon 6D Mark II||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y|
|13.||Pentax K-3 III||Y||stereo||mono||Y||Y||micro||3.2||Y||-||Y|
|17.||Pentax K-5 II||Y||stereo||mono||Y||-||mini||2.0||-||-||-|
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 the K-3 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The D610 is a recent model that features in the current product line-up of Nikon. In contrast, the K-3 II has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the K-3 II was succeeded by the Pentax K-3 III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Pentax websites.
So how do things add up? Is there a clear favorite between the Nikon D610 and the Pentax K-3 II? Which camera is better? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Nikon D610:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better image quality: Scores substantially higher (14 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (1.5 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (0.8 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1.4 stops ISO advantage).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.63x).
- Longer lasting: Can take more shots (900 versus 720) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More heavily discounted: Has been on the market for longer (launched in October 2013).
Advantages of the Pentax K-3 II:
- 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.
- Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
- More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (8.3 vs 6 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (131x100mm vs 141x113mm) and will fit more readily into a bag.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- More affordable: Was introduced into a lower priced category (45 percent cheaper at launch).
- More modern: Was introduced somewhat (1 year and 6 months) more recently.
If the number of relative strengths (bullet points above) is taken as a guide, the K-3 II emerges as the winner of the match-up (12 : 9 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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 D610 and the Pentax K-3 II 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 remains incomplete and does no justice, for example, to the way the D610 or the K-3 II 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 where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], 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.
|1.||Nikon D610||4/5||+ +||87/100||4.5/5||4.5/5||Oct 2013||1,999|
|2.||Pentax K-3 II||4.5/5||..||..||5/5||5/5||Apr 2015||1,099|
|3.||Canon 6D Mark II||4/5||+||80/100||4.5/5||4/5||Jun 2017||1,999|
|4.||Canon 6D||5/5||+ +||83/100||4.5/5||4.5/5||Sep 2012||2,099|
|5.||Nikon D780||5/5||..||87/100||4.5/5||4.5/5||Jan 2020||2,299|
|6.||Nikon D500||5/5||+ +||91/100||4.5/5||5/5||Jan 2016||1,999|
|7.||Nikon D750||5/5||+ +||90/100||4.5/5||4.5/5||Sep 2014||2,299|
|8.||Nikon D810||5/5||..||86/100||5/5||4.5/5||Jun 2014||3,299|
|9.||Nikon Df||4/5||..||81/100||4/5||4/5||Nov 2013||2,749|
|10.||Nikon D600||4/5||+ +||87/100||5/5||4.5/5||Sep 2012||2,099|
|11.||Nikon D800||5/5||+ +||82/100||5/5||5/5||Feb 2012||2,999|
|12.||Nikon D800E||..||..||84/100||5/5||5/5||Feb 2012||3,299|
|13.||Pentax K-3 III||..||..||..||..||..||Mar 2021||1,999|
|14.||Pentax KP||4/5||..||82/100||5/5||4.5/5||Jan 2017||1,099|
|15.||Pentax K-S2||4.5/5||..||..||5/5||4.5/5||Feb 2015||749|
|16.||Pentax K-3||4/5||..||83/100||5/5||5/5||Oct 2013||1,299|
|17.||Pentax K-5 II||5/5||..||80/100||5/5||4.5/5||Sep 2012||1,099|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
Specifications: Nikon D610 vs Pentax K-3 II
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 D610||Pentax K-3 II|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Nikon F mount lenses||Pentax K mount lenses|
|Launch Date||October 2013||April 2015|
|Launch Price||USD 1,999||USD 1,099|
|Sensor Specs||Nikon D610||Pentax K-3 II|
|Sensor Format||Full Frame Sensor||APS-C Sensor|
|Sensor Size||35.9 x 24.0 mm||23.5 x 15.6 mm|
|Sensor Area||861.6 mm2||366.6 mm2|
|Sensor Diagonal||43.2 mm||28.2 mm|
|Sensor Resolution||24.2 Megapixels||24.1 Megapixels|
|Image Resolution||6016 x 4016 pixels||6016 x 4000 pixels|
|Pixel Pitch||5.97 μm||3.90 μm|
|Pixel Density||2.80 MP/cm2||6.56 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||1080/30p Video||1080/60i Video|
|ISO Setting||100 - 6,400 ISO||100 - 51,200 ISO|
|ISO Boost||50 - 25,600 ISO||no Enhancement|
|Image Processor||EXPEED 3||PRIME III|
|DXO Sensor Quality (score)||94||80|
|DXO Color Depth (bits)||25.1||23.6|
|DXO Dynamic Range (EV)||14.4||13.6|
|DXO Low Light (ISO)||2925||1106|
|Screen Specs||Nikon D610||Pentax K-3 II|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||100%|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.2inch|
|LCD Resolution||921k dots||1037k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Nikon D610||Pentax K-3 II|
|Focus System||Phase-detect AF||Phase-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/8000s|
|Continuous Shooting||6 shutter flaps/s||8.3 shutter flaps/s|
|Shutter Life Expectancy||150 000 actuations||200 000 actuations|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Nikon D610||Pentax K-3 II|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||USB 3.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||Headphone port|
|Wifi Support||no Wifi||no Wifi|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Nikon D610||Pentax K-3 II|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||900 shots per charge||720 shots per charge|
141 x 113 x 82 mm
(5.6 x 4.4 x 3.2 in)
131 x 100 x 77 mm
(5.2 x 3.9 x 3.0 in)
|Camera Weight||850 g (30.0 oz)||800 g (28.2 oz)|
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