Nikon D5100 vs Pentax K-1
The Nikon D5100 and the Pentax K-1 are two digital cameras that were announced, respectively, in April 2011 and February 2016. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (D5100) and a full frame (K-1) sensor. The Nikon has a resolution of 16.1 megapixels, whereas the Pentax provides 36.2 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 D5100 and the Pentax K-1? 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.
An illustration of the physical size and weight of the Nikon D5100 and the Pentax K-1 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 width, height and depth dimensions are rounded to the nearest millimeter.
The K-1 can be obtained in two different colors (black, silver), while the D5100 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-1 is notably larger (21 percent) than the Nikon D5100. Moreover, the K-1 is substantially heavier (80 percent) than the D5100. It is noteworthy in this context that the K-1 is splash and dust-proof, while the D5100 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.
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.
|1.||Nikon D5100||128 mm||97 mm||79 mm||560 g||660||n||Apr 2011||749||ebay.com|
|2.||Pentax K-1||137 mm||110 mm||86 mm||1010 g||760||Y||Feb 2016||1,799||ebay.com|
|3.||Canon 5D Mark IV||151 mm||116 mm||76 mm||890 g||900||Y||Aug 2016||3,499||amazon.com|
|4.||Canon T2i||129 mm||98 mm||62 mm||530 g||440||n||Feb 2010||699||ebay.com|
|5.||Nikon D5600||124 mm||97 mm||70 mm||465 g||970||n||Nov 2016||699||amazon.com|
|6.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999||amazon.com|
|7.||Nikon D5500||124 mm||97 mm||70 mm||470 g||820||n||Jan 2015||899||ebay.com|
|8.||Nikon D5300||125 mm||98 mm||76 mm||480 g||600||n||Oct 2013||799||ebay.com|
|9.||Nikon D3200||125 mm||96 mm||77 mm||505 g||540||n||Apr 2012||599||ebay.com|
|10.||Nikon D5200||129 mm||98 mm||78 mm||555 g||500||n||Nov 2012||749||ebay.com|
|11.||Nikon D7000||132 mm||105 mm||77 mm||780 g||1050||Y||Sep 2010||1,499||ebay.com|
|12.||Nikon D3100||124 mm||96 mm||75 mm||505 g||550||n||Aug 2010||599||ebay.com|
|13.||Nikon D5000||127 mm||104 mm||80 mm||590 g||510||n||Apr 2009||749||ebay.com|
|14.||Olympus E-M1 II||134 mm||91 mm||67 mm||574 g||440||Y||Sep 2016||1,999||ebay.com|
|15.||Pentax K-1 II||137 mm||110 mm||86 mm||1010 g||670||Y||Feb 2018||1,999||amazon.com|
|16.||Sony A99 II||143 mm||104 mm||76 mm||849 g||490||Y||Sep 2016||3,199||ebay.com|
|17.||Sony NEX-5N||111 mm||59 mm||38 mm||269 g||460||n||Aug 2011||699||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
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 D5100 was launched at a markedly lower price (by 58 percent) than the K-1, 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.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Nikon D5100 features an APS-C sensor and the Pentax K-1 a full frame sensor. The sensor area in the K-1 is 132 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.
With 36.2MP, the K-1 offers a higher resolution than the D5100 (16.1MP), but the K-1 nevertheless has marginally larger individual pixels (pixel pitch of 4.88μm versus 4.80μm for the D5100) due to its larger sensor. Moreover, the K-1 is a much more recent model (by 4 years and 10 months) than the D5100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the K-1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Pentax K-1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Nikon D5100 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.
Unlike the D5100, the K-1 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 D5100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax K-1 are ISO 100 to ISO 204800 (no boost).
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. 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 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 consideration, the K-1 offers substantially better image quality than the D5100 (overall score 16 points higher). The advantage is based on 1.9 bits higher color depth, 1 EV in additional dynamic range, and 1.5 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.
|2.||Pentax K-1||Full Frame||36.2||7360||4912||1080/60i||25.4||14.6||3280||96|
|3.||Canon 5D Mark IV||Full Frame||30.1||6720||4480||4K/30p||24.8||13.6||2995||91|
|14.||Olympus E-M1 II||Four Thirds||20.2||5184||3888||4K/30p||23.7||12.8||1312||80|
|15.||Pentax K-1 II||Full Frame||36.2||7360||4912||1080/60i||25.1||14.0||2698||93|
|16.||Sony A99 II||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92|
|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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the K-1 provides a faster frame rate than the D5100. 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 range of features. The D5100 and the K-1 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 K-1 offers a wider field of view (100%) than the one in the D5100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the K-1 has a higher magnification (0.70x vs 0.51x), 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 D5100 and Pentax K-1 along with similar information for a selection of comparators.
|1.||Nikon D5100||optical||n||3.0 / 921||swivel||n||1/4000s||4.0/s||Y||n|
|2.||Pentax K-1||optical||Y||3.2 / 1037||full-flex||n||1/8000s||4.4/s||n||Y|
|3.||Canon 5D Mark IV||optical||Y||3.2 / 1620||fixed||Y||1/8000s||7.0/s||n||n|
|4.||Canon T2i||optical||n||3.0 / 1040||fixed||n||1/4000s||3.7/s||Y||n|
|5.||Nikon D5600||optical||n||3.2 / 1037||swivel||Y||1/4000s||5.0/s||Y||n|
|6.||Nikon D500||optical||Y||3.2 / 2359||tilting||Y||1/8000s||10.0/s||n||n|
|7.||Nikon D5500||optical||n||3.2 / 1037||swivel||Y||1/4000s||5.0/s||Y||n|
|8.||Nikon D5300||optical||n||3.2 / 1037||swivel||n||1/4000s||5.0/s||Y||n|
|9.||Nikon D3200||optical||n||3.0 / 921||fixed||n||1/4000s||4.0/s||Y||n|
|10.||Nikon D5200||optical||n||3.0 / 921||swivel||n||1/4000s||5.0/s||Y||n|
|11.||Nikon D7000||optical||Y||3.0 / 921||fixed||n||1/8000s||6.0/s||Y||n|
|12.||Nikon D3100||optical||n||3.0 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|13.||Nikon D5000||optical||n||2.7 / 230||full-flex||n||1/4000s||4.0/s||Y||n|
|14.||Olympus E-M1 II||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0/s||n||Y|
|15.||Pentax K-1 II||optical||Y||3.2 / 1037||full-flex||n||1/8000s||4.4/s||n||Y|
|16.||Sony A99 II||2400||Y||3.0 / 1229||full-flex||n||1/8000s||12.0/s||n||Y|
|17.||Sony NEX-5N||optional||n||3.0 / 920||tilting||Y||1/4000s||10.0/s||n||n|
|Notes: *) 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 D5100 has one, while the K-1 does not. While the built-in flash of the D5100 is not very powerful, it can at times be useful as a fill-in light.The D5100 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-1 does not have a selfie-screen.
The Nikon D5100 and the Pentax K-1 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 D5100 and the K-1 write their files to SDXC cards. The K-1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the D5100 only has one slot. 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 D5100 and Pentax K-1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Nikon D5100||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|2.||Pentax K-1||Y||stereo / mono||Y||Y||micro||2.0||Y||-||-|
|3.||Canon 5D Mark IV||Y||mono / mono||Y||Y||mini||3.0||Y||Y||-|
|4.||Canon T2i||Y||stereo / -||Y||-||mini||2.0||-||-||-|
|5.||Nikon D5600||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|6.||Nikon D500||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|7.||Nikon D5500||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|8.||Nikon D5300||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|9.||Nikon D3200||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|10.||Nikon D5200||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|11.||Nikon D7000||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|12.||Nikon D3100||Y||mono / mono||-||-||mini||2.0||-||-||-|
|13.||Nikon D5000||Y||mono / mono||-||-||mini||2.0||-||-||-|
|14.||Olympus E-M1 II||Y||stereo / mono||Y||Y||micro||3.0||Y||-||-|
|15.||Pentax K-1 II||Y||stereo / mono||Y||Y||micro||2.0||Y||-||-|
|16.||Sony A99 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
|17.||Sony NEX-5N||Y||stereo / mono||-||-||mini||2.0||-||-||-|
It is notable that the K-1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D5100 does not provide wifi capability.
Studio photographers will appreciate that the Pentax K-1 (unlike the D5100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the K-1 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
Both the D5100 and the K-1 have been discontinued, but can regularly be found used on ebay. The D5100 was replaced by the Nikon D5200, while the K-1 was followed by the Pentax K-1 II. 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 what conclusions can be drawn? Is there a clear favorite between the Nikon D5100 and the Pentax K-1? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Arguments in favor of the Nikon D5100:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- More compact: Is smaller (128x97mm vs 137x110mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 450g or 45 percent) and hence easier to carry around.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced category (58 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in April 2011).
Advantages of the Pentax K-1:
- More detail: Has more megapixels (36.2 vs 16.1MP), which boosts linear resolution by 50%.
- 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 image quality: Scores substantially higher (16 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (1.9 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (1 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (1.5 stops ISO advantage).
- Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- 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 (0.70x vs 0.51x).
- Easier setting verification: Features a control panel on top to check shooting parameters.
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- 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.
- Longer lasting: Gets more shots (760 versus 660) out of a single battery charge.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- 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.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More modern: Reflects 4 years and 10 months of technical progress since the D5100 launch.
If the count of individual advantages (bullet points above) is taken as a guide, the K-1 is the clear winner of the contest (23 : 7 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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 D5100 and the Pentax K-1 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the D5100 and the K-1 in practical situations. 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 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.
|1.||Nikon D5100||5/5||+ +||..||76/100||4.5/5||4.5/5||Apr 2011||749||ebay.com|
|2.||Pentax K-1||5/5||..||..||84/100||5/5||5/5||Feb 2016||1,799||ebay.com|
|3.||Canon 5D Mark IV||4.5/5||+ +||4/5||87/100||4.5/5||4.5/5||Aug 2016||3,499||amazon.com|
|4.||Canon T2i||..||+ +||..||77/100||4/5||4.5/5||Feb 2010||699||ebay.com|
|5.||Nikon D5600||4/5||..||4/5||79/100||4.5/5||4/5||Nov 2016||699||amazon.com|
|6.||Nikon D500||5/5||+ +||4.7/5||91/100||4.5/5||5/5||Jan 2016||1,999||amazon.com|
|7.||Nikon D5500||5/5||+||..||79/100||4.5/5||4.5/5||Jan 2015||899||ebay.com|
|8.||Nikon D5300||4/5||+ +||..||79/100||4.5/5||4.5/5||Oct 2013||799||ebay.com|
|9.||Nikon D3200||5/5||+ +||..||73/100||4.5/5||4.5/5||Apr 2012||599||ebay.com|
|10.||Nikon D5200||4/5||+ +||..||79/100||4.5/5||4.5/5||Nov 2012||749||ebay.com|
|11.||Nikon D7000||4/5||..||..||80/100||4.5/5||4.5/5||Sep 2010||1,499||ebay.com|
|12.||Nikon D3100||5/5||+ +||..||72/100||4.5/5||4.5/5||Aug 2010||599||ebay.com|
|13.||Nikon D5000||..||+ +||..||75/100||4/5||4.5/5||Apr 2009||749||ebay.com|
|14.||Olympus E-M1 II||5/5||+ +||5/5||85/100||4.5/5||4.5/5||Sep 2016||1,999||ebay.com|
|15.||Pentax K-1 II||..||..||4.5/5||79/100||4.5/5||4.5/5||Feb 2018||1,999||amazon.com|
|16.||Sony A99 II||..||..||4.5/5||85/100||4.5/5||4.5/5||Sep 2016||3,199||ebay.com|
|17.||Sony NEX-5N||3/5||+ +||..||79/100||4.5/5||4.5/5||Aug 2011||699||ebay.com|
|Notes: (+ +) 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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods 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 make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon G16 vs Nikon D5100
- Canon G5 X vs Nikon D5100
- Canon M6 Mark II vs Pentax K-1
- Canon SX720 vs Pentax K-1
- Fujifilm X-Pro2 vs Pentax K-1
- Nikon D1H vs Nikon D5100
- Nikon D5100 vs Nikon D800
- Nikon D5100 vs Pentax KP
- Nikon D5100 vs Sony RX1
- Nikon D70s vs Pentax K-1
- Olympus E-PL8 vs Pentax K-1
- Pentax K-1 vs Sony A99 II
Specifications: Nikon D5100 vs Pentax K-1
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 D5100||Pentax K-1|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Nikon F mount lenses||Pentax K mount lenses|
|Launch Date||April 2011||February 2016|
|Launch Price||USD 749||USD 1,799|
|Sensor Specs||Nikon D5100||Pentax K-1|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||23.6 x 15.7 mm||35.9 x 24.0 mm|
|Sensor Area||370.52 mm2||861.6 mm2|
|Sensor Diagonal||28.3 mm||43.2 mm|
|Sensor Resolution||16.1 Megapixels||36.2 Megapixels|
|Image Resolution||4928 x 3264 pixels||7360 x 4912 pixels|
|Pixel Pitch||4.80 μm||4.88 μm|
|Pixel Density||4.34 MP/cm2||4.20 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 - 204,800 ISO|
|ISO Boost||100 - 25,600 ISO||no Enhancement|
|Image Processor||EXPEED 2||PRIME IV|
|DXO Sensor Quality (score)||80||96|
|DXO Color Depth (bits)||23.5||25.4|
|DXO Dynamic Range (EV)||13.6||14.6|
|DXO Low Light (ISO)||1183||3280|
|Screen Specs||Nikon D5100||Pentax K-1|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||95%||100%|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.2inch|
|LCD Resolution||921k dots||1037k dots|
|LCD Attachment||Swivel screen||Fully flexible screen|
|Shooting Specs||Nikon D5100||Pentax K-1|
|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||4 shutter flaps/s||4.4 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||300 000 actuations|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Dual card slots|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Nikon D5100||Pentax K-1|
|Studio Flash||no PC Sync||PC Sync socket|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||micro HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Nikon D5100||Pentax K-1|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||660 shots per charge||760 shots per charge|
128 x 97 x 79 mm
(5.0 x 3.8 x 3.1 in)
137 x 110 x 86 mm
(5.4 x 4.3 x 3.4 in)
|Camera Weight||560 g (19.8 oz)||1010 g (35.6 oz)|
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