Pentax K-3 II vs Sony A7 II
The Pentax K-3 II and the Sony Alpha A7 II are two enthusiast cameras that were announced, respectively, in April 2015 and November 2014. The K-3 II is a DSLR, while the A7 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (K-3 II) and a full frame (A7 II) sensor. The Pentax has a resolution of 24.1 megapixels, whereas the Sony provides 24 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 Pentax K-3 II and the Sony Alpha A7 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 physical size and weight of the Pentax K-3 II and the Sony A7 II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.
The K-3 II can be obtained in two different colors (black, silver), while the A7 II 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 Sony A7 II is notably smaller (7 percent) than the Pentax K-3 II. Moreover, the A7 II is markedly lighter (25 percent) than the K-3 II. 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 K-3 II gets 720 shots out of its D-LI90 battery, while the A7 II can take 350 images on a single charge of its NP-FW50 power pack. The power pack in the A7 II can be charged via the USB port, which can be very convenient when travelling.
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, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Pentax K-3 II||131 mm||100 mm||77 mm||800 g||720||Y||Apr 2015||1,099||ebay.com|
|2.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999||ebay.com|
|3.||Nikon D7200||136 mm||107 mm||76 mm||765 g||1110||Y||Mar 2015||1,199||ebay.com|
|4.||Pentax K-3 III||135 mm||104 mm||74 mm||820 g||800||Y||Mar 2021||1,999||amazon.com|
|5.||Pentax KP||132 mm||101 mm||76 mm||703 g||390||Y||Jan 2017||1,099||ebay.com|
|6.||Pentax K-70||126 mm||93 mm||74 mm||688 g||410||Y||Jun 2016||649||amazon.com|
|7.||Pentax K-S2||123 mm||91 mm||73 mm||678 g||410||Y||Feb 2015||749||ebay.com|
|8.||Pentax K-S1||121 mm||93 mm||70 mm||558 g||410||n||Aug 2014||749||ebay.com|
|9.||Pentax K-3||131 mm||100 mm||77 mm||800 g||560||Y||Oct 2013||1,299||ebay.com|
|10.||Pentax K-5 II||131 mm||97 mm||73 mm||760 g||740||Y||Sep 2012||1,099||ebay.com|
|11.||Pentax K-5||131 mm||97 mm||73 mm||760 g||740||Y||Sep 2010||1,099||ebay.com|
|12.||Sony A7C||124 mm||71 mm||60 mm||509 g||740||Y||Sep 2020||1,799||amazon.com|
|13.||Sony A9 II||129 mm||96 mm||76 mm||678 g||690||Y||Oct 2019||4,499||amazon.com|
|14.||Sony A7 III||127 mm||96 mm||74 mm||650 g||610||Y||Feb 2018||1,999||amazon.com|
|15.||Sony A77 II||143 mm||104 mm||81 mm||647 g||480||Y||May 2014||1,199||ebay.com|
|16.||Sony A7||127 mm||94 mm||48 mm||474 g||340||Y||Oct 2013||1,699||ebay.com|
|17.||Sony A7R||127 mm||94 mm||48 mm||465 g||340||Y||Oct 2013||2,299||ebay.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 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 A7 II, 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.
The size of the imaging sensor is a crucial determinant 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 Pentax K-3 II features an APS-C sensor and the Sony A7 II a full frame sensor. The sensor area in the A7 II is 133 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.
Despite having a smaller sensor, the Pentax K-3 II offers a higher resolution of 24.1 megapixels, compared with 24 MP of the Sony A7 II. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.90μm versus 5.97μm for the A7 II). However, it should be noted that the K-3 II is a somewhat more recent model (by 5 months) than the A7 II, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage. 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.
The A7 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the A7 II, 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 Pentax K-3 II has a native sensitivity range from ISO 100 to ISO 51200. The corresponding ISO settings for the Sony Alpha A7 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.
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 determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A7 II has a markedly higher DXO score than the K-3 II (overall score 10 points higher), which will translate into better image quality. The advantage is based on 1.3 bits higher color depth, and 1.1 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.
|1.||Pentax K-3 II||APS-C||24.1||6016||4000||1080/60i||23.6||13.6||1106||80|
|2.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|4.||Pentax K-3 III||APS-C||25.6||6192||4128||4K/30p||24.2||13.7||2083||85|
|10.||Pentax K-5 II||APS-C||16.1||4928||3264||1080/25p||23.8||14.1||1235||82|
|12.||Sony A7C||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3407||95|
|13.||Sony A9 II||Full Frame||24.0||6000||4000||4K/30p||25.0||14.0||3434||93|
|14.||Sony A7 III||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3730||96|
|15.||Sony A77 II||APS-C||24.0||6000||4000||1080/60p||24.4||13.4||1013||82|
|16.||Sony A7||Full Frame||24.0||6000||4000||1080/60p||24.8||14.2||2248||90|
|17.||Sony A7R||Full Frame||36.2||7360||4912||1080/60p||25.6||14.1||2746||95|
|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 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 A7 II provides a faster frame rate than the K-3 II. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/60i.
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 II has an electronic viewfinder (2400k dots), while the K-3 II 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 A7 II has a higher magnification than the one of the K-3 II (0.71x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Pentax K-3 II, the Sony A7 II, and comparable cameras.
|1.||Pentax K-3 II||optical||Y||3.2 / 1037||fixed||n||1/8000s||8.3/s||n||Y|
|2.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0/s||n||Y|
|3.||Nikon D7200||optical||Y||3.2 / 1229||fixed||n||1/8000s||6.0/s||Y||n|
|4.||Pentax K-3 III||optical||Y||3.2 / 1620||fixed||Y||1/8000s||12.0/s||n||Y|
|5.||Pentax KP||optical||n||3.0 / 921||tilting||n||1/6000s||7.0/s||Y||Y|
|6.||Pentax K-70||optical||n||3.0 / 921||swivel||n||1/6000s||6.0/s||Y||Y|
|7.||Pentax K-S2||optical||n||3.0 / 921||swivel||n||1/6000s||5.4/s||Y||Y|
|8.||Pentax K-S1||optical||n||3.0 / 921||fixed||n||1/6000s||5.4/s||Y||Y|
|9.||Pentax K-3||optical||Y||3.2 / 1037||fixed||n||1/8000s||8.3/s||Y||Y|
|10.||Pentax K-5 II||optical||Y||3.0 / 921||fixed||n||1/8000s||7.0/s||Y||Y|
|11.||Pentax K-5||optical||Y||3.0 / 921||fixed||n||1/8000s||7.0/s||Y||Y|
|12.||Sony A7C||2360||n||3.0 / 922||swivel||Y||1/4000s||10.0/s||n||Y|
|13.||Sony A9 II||3686||n||3.0 / 1440||tilting||Y||1/8000s||20.0/s||n||Y|
|14.||Sony A7 III||2359||n||3.0 / 922||tilting||Y||1/8000s||10.0/s||n||Y|
|15.||Sony A77 II||2359||Y||3.0 / 1229||full-flex||n||1/8000s||12.0/s||Y||Y|
|16.||Sony A7||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0/s||n||n|
|17.||Sony A7R||2400||n||3.0 / 1230||tilting||n||1/8000s||4.0/s||n||n|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that is present on the K-3 II, but is missing on the A7 II is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.
The Pentax K-3 II has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
The K-3 II writes its imaging data to SDXC cards, while the A7 II uses SDXC or Memory Stick PRO Duo cards. The K-3 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7 II 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 Pentax K-3 II and Sony Alpha A7 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Pentax K-3 II||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|2.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|3.||Nikon D7200||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|4.||Pentax K-3 III||Y||stereo / mono||Y||Y||micro||3.2||Y||-||Y|
|5.||Pentax KP||Y||stereo / mono||Y||-||-||2.0||Y||-||-|
|6.||Pentax K-70||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|7.||Pentax K-S2||Y||mono / mono||Y||-||micro||2.0||Y||Y||-|
|8.||Pentax K-S1||Y||stereo / mono||-||-||micro||2.0||-||-||-|
|9.||Pentax K-3||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|10.||Pentax K-5 II||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|11.||Pentax K-5||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|12.||Sony A7C||Y||stereo / mono||Y||Y||micro||3.2||Y||Y||Y|
|13.||Sony A9 II||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|14.||Sony A7 III||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|15.||Sony A77 II||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|16.||Sony A7||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|17.||Sony A7R||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the A7 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the K-3 II does not provide wifi capability.
Studio photographers will appreciate that the Pentax K-3 II (unlike the A7 II) 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-3 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
Both the K-3 II and the A7 II have been discontinued, but can regularly be found used on ebay. The A7 II was replaced by the Sony A7 III, while the K-3 II was followed by the Pentax K-3 III. Further information on the features and operation of the K-3 II and A7 II can be found, respectively, in the Pentax K-3 II Manual (free pdf) or the online Sony A7 II Manual.
So what is the bottom line? Is there a clear favorite between the Pentax K-3 II and the Sony A7 II? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer 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.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- Faster burst: Shoots at higher frequency (8.3 vs 5 flaps/sec) to capture the decisive moment.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Longer lasting: Can take more shots (720 versus 350) on a single battery charge.
- 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).
- 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 affordable: Was introduced into a lower priced category (45 percent cheaper at launch).
- More modern: Is somewhat more recent (announced 5 months after the A7 II).
Arguments in favor of the Sony Alpha A7 II:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better image quality: Scores markedly higher (10 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (1.3 bits more color depth).
- Better low-light sensitivity: Can shoot in dim conditions (1.1 stops ISO advantage).
- Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
- 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 (0.71x vs 0.63x).
- More detailed LCD: Has a higher resolution rear screen (1230k vs 1037k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Less heavy: Has a lower weight (by 201g or 25 percent) and is thus easier to take along.
- Easier travel charging: Can be conveniently charged via its USB port.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More heavily discounted: Has been on the market for longer (launched in November 2014).
If the count of individual advantages (bullet points above) is taken as a guide, the A7 II emerges as the winner of the match-up (16 : 14 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 Pentax K-3 II and the Sony A7 II place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the K-3 II and the A7 II 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 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.
|1.||Pentax K-3 II||4.5/5||..||..||..||5/5||5/5||Apr 2015||1,099||ebay.com|
|2.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999||ebay.com|
|3.||Nikon D7200||4/5||+ +||..||84/100||4.5/5||4.5/5||Mar 2015||1,199||ebay.com|
|4.||Pentax K-3 III||4/5||..||3/5||..||4.5/5||..||Mar 2021||1,999||amazon.com|
|5.||Pentax KP||4/5||..||3/5||82/100||5/5||4.5/5||Jan 2017||1,099||ebay.com|
|6.||Pentax K-70||4.5/5||..||4/5||79/100||4.5/5||4.5/5||Jun 2016||649||amazon.com|
|7.||Pentax K-S2||4.5/5||..||..||..||5/5||4.5/5||Feb 2015||749||ebay.com|
|8.||Pentax K-S1||4/5||..||..||..||4.5/5||4/5||Aug 2014||749||ebay.com|
|9.||Pentax K-3||4/5||..||..||83/100||5/5||5/5||Oct 2013||1,299||ebay.com|
|10.||Pentax K-5 II||5/5||..||..||80/100||5/5||4.5/5||Sep 2012||1,099||ebay.com|
|11.||Pentax K-5||4/5||..||..||83/100||5/5||4.5/5||Sep 2010||1,099||ebay.com|
|12.||Sony A7C||3.5/5||..||3.5/5||86/100||4/5||4/5||Sep 2020||1,799||amazon.com|
|13.||Sony A9 II||..||..||5/5||90/100||5/5||5/5||Oct 2019||4,499||amazon.com|
|14.||Sony A7 III||..||+ +||4.5/5||89/100||5/5||5/5||Feb 2018||1,999||amazon.com|
|15.||Sony A77 II||4/5||..||..||80/100||4.5/5||5/5||May 2014||1,199||ebay.com|
|16.||Sony A7||5/5||+ +||..||80/100||5/5||5/5||Oct 2013||1,699||ebay.com|
|17.||Sony A7R||5/5||+ +||..||82/100||4.5/5||5/5||Oct 2013||2,299||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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.
- Canon 1D Mark II N vs Pentax K-3 II
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- Leica M Typ 262 vs Sony A7 II
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Specifications: Pentax K-3 II vs Sony A7 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||Pentax K-3 II||Sony A7 II|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Pentax K mount lenses||Sony E mount lenses|
|Launch Date||April 2015||November 2014|
|Launch Price||USD 1,099||USD 1,999|
|Sensor Specs||Pentax K-3 II||Sony A7 II|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||23.5 x 15.6 mm||35.8 x 23.9 mm|
|Sensor Area||366.6 mm2||855.62 mm2|
|Sensor Diagonal||28.2 mm||43 mm|
|Sensor Resolution||24.1 Megapixels||24 Megapixels|
|Image Resolution||6016 x 4000 pixels||6000 x 4000 pixels|
|Pixel Pitch||3.90 μm||5.97 μm|
|Pixel Density||6.56 MP/cm2||2.80 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||1080/60i Video||1080/60p Video|
|ISO Setting||100 - 51,200 ISO||100 - 25,600 ISO|
|ISO Boost||no Enhancement||50 - 51,200 ISO|
|Image Processor||PRIME III||BIONZ X|
|DXO Sensor Quality (score)||80||90|
|DXO Color Depth (bits)||23.6||24.9|
|DXO Dynamic Range (EV)||13.6||13.6|
|DXO Low Light (ISO)||1106||2449|
|Screen Specs||Pentax K-3 II||Sony A7 II|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||2400k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.0inch|
|LCD Resolution||1037k dots||1230k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Shooting Specs||Pentax K-3 II||Sony A7 II|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/8000s|
|Continuous Shooting||8.3 shutter flaps/s||5 shutter flaps/s|
|Shutter Life Expectancy||200 000 actuations||200 000 actuations|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||In-body stabilization||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Single or Dual Card Slots||Dual card slots||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Pentax K-3 II||Sony A7 II|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 3.0||USB 2.0|
|HDMI Port||mini HDMI||micro HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Geotagging||GPS built-in||no internal GPS|
|Body Specs||Pentax K-3 II||Sony A7 II|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||720 shots per charge||350 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
131 x 100 x 77 mm
(5.2 x 3.9 x 3.0 in)
127 x 96 x 60 mm
(5.0 x 3.8 x 2.4 in)
|Camera Weight||800 g (28.2 oz)||599 g (21.1 oz)|
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