The Pentax Okay-Three III is the long-awaited replace to the Pentax Okay-Three Mark II, launched in 2015, Pentax’s flagship APS-C sensor DSLR. The Pentax Okay-Three III is a 26mp DSLR, with a BSI CMOS sensor, and while the remainder of the digital camera market has virtually completely switched to mirrorless cameras, Pentax believes “in the way forward for SLR images” with the optical viewfinder being central to this expertise.

Pentax Okay-Three Mark III Options


Trying on the Pentax Okay-Three III web site, the primary most important level to come back up is the optical viewfinder, which gives a 100% subject of view, and approx 1.05x magnification (0.7x equal), making it one of many largest you will discover in an APS-C DSLR, and an enchancment over the Okay-Three II (with 0.95x magnification) – Pentax say there’s additionally a 10% enhance in brightness. There’s an eye-sensor to detect when you’ve gotten the digital camera held as much as your eye, and it will mechanically change the display off when wanted.


“This viewfinder additionally supplies an virtually 10-percent enhance in brightness, because of the improved reflectance of the pentaprism, whereas additionally assuring an almost 100-percent subject of view. By incorporating a distortion-compensating optical ingredient and optimizing the lens coatings, it supplies pure, true-to-life picture rendition with high-magnification observations.” – Pentax

Pentax K3 Iii Viewfinder |

One other key replace to be discovered within the Pentax Okay-Three Mark III may be seen within the new autofocus (AF) system, which now options 101 AF Factors (SAFOX 13) when utilizing the OVF-AF system, of those there are 25 cross-type AF factors, and you’ll choose 41 individually. The main focus system will work all the way down to -4EV with an f/2.8 (or brighter) lens, within the central AF space.

The digital camera encompasses a new 25.7megapixel BSI CMOS sensor, with out an anti-aliasing (AA) filter, to present improved element and backbone seize. This makes it one in all solely few APS-C cameras obtainable with a 25.7mp BSI CMOS sensor, with solely Fujifilm additionally utilizing a BSI CMOS sensor.

The Okay-Three III, like different Pentax DSLR cameras, encompasses a SHAKE REDUCTION (SR) mechanism, SRII, which is an In-Physique Picture Stabilisation system, which strikes the digital camera sensor in 5-axis, to surrender to five.5stops of stabilisation, by shifting the sensor and compensating for digital camera shake attributable to horizontal and vertical shift, roll, pitch and yaw. There may be an Auto mode, in addition to a panning mode possibility.

Utilizing the shake discount system, and the digital camera’s skill to maneuver the sensor, the digital camera has a Pixel Shift Decision System, designed to present full-colour info at every pixel, by capturing Four photographs of the identical scene, however with the sensor barely shifted. That is designed to work with the digital camera mounted on a tripod, and ideally with nonetheless scenes. Nevertheless, there’s a Movement Compensation function that may be turned on to assist with any movement within the scene. This provides you a 26mp picture, with higher color, element, in addition to improved noise management.

There’s additionally an AA (anti-aliasing) filter simulator with the intention to scale back moire and false color if this is a matter in your pictures.


There is a new PRIME V picture engine (processor) and “second-generation accelerator unit” (processor) to present high-speed efficiency, and that is stated to enhance the Pentax Actual-Time Scene Evaluation System, and autofocus system. Together with the brand new picture processing engines, the digital camera has a brand new era “Superb Sharpness” operate that’s on by default and is designed to enhance the replica of element extra naturally and sharply.

Pentax says that the noise discount system is designed to scale back noise, while sustaining element within the define of topics, with Pentax claiming that “even on the high sensitivity of ISO 1,600,000, it delivers a pure, well-defined picture with a pointy topic define and vivid colors.” We’ll have to take a look on the outcomes to see if that is true.

There is a new RGBIr AE sensor with roughly 307,000 pixels (0.3mp), which detects the topic in higher element than earlier than, and Pentax says that that is additionally used to detect the topics face and eyes in viewfinder capturing. The Actual-time Scene Evaluation System makes use of this to offer publicity management and computerized choice of the main focus level. That is additionally used to offer extra correct monitoring of topics in movement.

The Okay-Three Mark III digital camera has P, Sv, Television, Av, TAv, M capturing modes, providing you with full handbook controls, together with B (Bulb), X (X-sync), 5 Consumer modes, and Auto. The lag between shutter launch and picture seize has been improved, in comparison with the Okay-Three II, and the mirror and shutter drive mechanisms have additionally been upgraded. There’s stated to be minimised mirror bounce, and diminished weight of the principle mirror unit, which reduces collision vitality, and a brand new damper mechanism.

The Okay-Three III gives improved compatibility with basic lenses, saving the aperture worth as Exif knowledge once you set the aperture utilizing the digital dial, and you’ll set the focal size of the lens to profit from Shake Discount (SR). It additionally permits AE images with the aperture closed-down for M-series lenses.

For steady capturing, the digital camera gives 12fps steady capturing (AF-S), and as much as 11fps with steady AF.

Customized Picture management permits you to select from 13 completely different color profiles, with choices to regulate saturation, hue, excessive/low key adjustment, distinction, distinction (spotlight), distinction (shadow), and superb sharpness.

The digital camera physique encompasses a 3.2inch touch-screen, that’s mounted, and doesn’t tilt. There are twin SD card slots, with one in all these supporting UHS-II.

Wi-fi connectivity helps picture switch to a smartphone, and low-power Bluetooth can be utilized to switch GPS knowledge to the digital camera in order that photographs are tagged with GPS location knowledge.

The digital camera data 4K UHD video at 30 or 24fps, and FullHD video at 60, 30, 24fps, there isn’t any 50/25fps possibility. When recording video the digital camera advantages from the shake discount system, which can assist stabilise video. There are mic and headphone sockets, and you’ll alter the microphone stage (or depart it on Auto), and alter the headphone quantity. You need to use the touch-screen to set the main focus level, and there are a variety of different settings that may be adjusted utilizing the touch-screen.

The digital camera helps the ASTROTRACER operate, with an elective GPS unit. This allows you to take astrophotographs, the place the digital camera will transfer the sensor when wanted for lengthy publicity pictures.


Key Options

  • 25.7mp APS-C BSI CMOS sensor
  • Pentax Okay bayonet
  • In-Physique Shake Discount system, SR II (IBIS)
  • 3.2inch touch-screen, with 1.62m dots
  • 1.05x magnification TTL prism optical viewfinder, with 100%
  • 101 AF Factors (SAFOX 13), 25 cross-type
  • 12fps steady capturing (AF-S), 11fps AF-C
  • ISO100 to ISO1600000 obtainable
  • Shutter life score of 300,000 pictures
  • 4K video recording, UHD, 30 or 24fps
  • FullHD video recording at 60,30,24fps
  • Climate sealed magnesium alloy physique
  • Wi-Fi and Bluetooth built-in
  • Accessible in Black or Silver

Pentax Okay-Three Mark III Dealing with


For individuals who like the sensation of holding a Digital SLR, the Pentax Okay-Three III has wonderful ergonomics, with the grip being significantly snug and pleasing to carry. It has the identical shutter launch button mechanism because the Pentax Okay-1, utilizing a leaf change, and the shutter launch button feels very nice to make use of

The physique is comprised of magnesium-alloy, and this consists of the highest, backside, entrance and rear panels. The digital camera is weather-sealed, and when an AW (All-Climate) or WR (Climate Resistant) lens is mounted, you’ve gotten a totally weather-sealed digital camera system.

The highest LCD panel supplies you with the shutter, aperture, ISO speeds in addition to further info so you’ll be able to shortly see the cameras settings, battery standing, and reminiscence card info, in addition to AF info.

The highest LCD display is backlit, and on default settings, this illuminates once you change the digital camera on, and once you press the shutter launch button. It mechanically switches off the illumination (on Auto settings), after a brief interval of inaction. You may set the display to handbook, after which set one of many customized buttons to modify it on and off when wanted, or you’ll be able to set it to be off always. It is unlucky that there is not a button already devoted to modify the illumination on and off. Nevertheless, as there are 10 customisable buttons that is simply resolved.


The Pentax Okay-Three III options the anticipated entrance and rear management dials, plus a 3rd, further management dial (E-Dial) on the highest. This can be utilized to alter settings, corresponding to AF kind, or ISO velocity, and this may be chosen utilizing the S.Fn (Good Operate) button on high of the digital camera. While you press this button you get to set what the third dial does, from a selection of 5 various things, and these 5 capabilities may be customised from 22 choices. For those who do use the E-Dial for ISO management, then it takes the digital camera out of Auto ISO, as anticipated, however making an attempt to get again into Auto ISO can take some time – you’ll be able to both press the ISO button after which the inexperienced button, or you’ll be able to return into the S.Fn button and change to Auto ISO there – moderately than with the ability to scroll via to Auto ISO like on different cameras.

It may possibly take a short while to get used to the three management dials, and it is easy to unintentionally use the third E-dial unintentionally. You may set it in order that it is switched off utterly (within the menus), so this may very well be an possibility for these trying to simplify digital camera operation, nonetheless, it will be good should you may arrange the Good Operate so that you just had say Four choices obtainable, and a fifth possibility the place the E-Dial was switched off.


Now for some Q&A: What’s within the field?

There is no such thing as a exterior battery charger supplied – these can be found individually, nonetheless, should you’re upgrading from an earlier Pentax, it is seemingly you have already got one.

Q&A: The place can I discover the handbook?

As there is no printed handbook within the field, this is the place you could find the handbook to obtain from Ricoh / Pentax.

Q&A: The place can I discover the software program to make use of with the Pentax Okay-Three Mark III?

The supplied software program “Digital Digital camera Utility 5” is saved within the inside reminiscence of the digital camera, and you’ll entry this once you join the digital camera to your laptop and change it on, nonetheless, ensure you’ve set the entry to CD-ROM within the settings menus. Listed here are the directions you will must comply with:

The software program may be put in by following the process under.

  1. Set [USB Setting] to [CD-ROM] within the D4 menu.
  2. Flip the digital camera off.
  3. Join the digital camera to a pc utilizing a USB cable.
  4. Flip the digital camera on. The digital camera is acknowledged as CD-ROM [S-SW177].
  5. Open [S-SW177] on the pc. The [Win] or [Mac] folder seems.
  6. Open the [Win] or [Mac] folder.
  7. Double-click [setup32.exe] or [setup64.exe] for Home windows, or [INSTPUT5.pkg] for Mac.For subsequent steps, comply with the on-screen directions.
  8. Return [USB Setting] to [MTP] within the D4 menu.
  9. Flip the digital camera off and again on.The [USB Setting] setting switches to [MTP].

With “Digital Digital camera Utility 5”, you’ll be able to develop RAW photographs, make color changes, or verify capturing info on the pc.

You will discover this important piece of knowledge within the full handbook (or above, on this web page), it will be good if this info was supplied on a chunk of paper within the field, or alternatively why not simply let customers obtain it from the Pentax web site? In reply to our personal query, you’ll be able to obtain it from Pentax’s web site, nonetheless, it informs you that you must set up the (authentic) software program earlier than putting in the replace on the Pentax web site. We ignored this and put in the software program from the web site with none issues.

Pentax K 3 III Silkypix Digital Camera Utility 5
Pentax Okay-Three III – Digital Digital camera Utility 5

Q&A: Is Digital Digital camera Utility 5 the identical as SilkyPix?

No, however it’s primarily based on SilkyPix software program, so the interface and controls will probably be acquainted to anybody who has used SilkyPix.

Q&A: Do I’ve to make use of Digital Digital camera Utility 5 / SilkyPix?

No, you should utilize any picture software program appropriate with Pentax Okay-Three III PEF uncooked information, or change the digital camera to shoot AdobeDNG uncooked information, after which it will make it doable to open uncooked information on older software program.


There are 101 AF factors, vastly greater than the 27 discovered on the Okay-Three II. You may choose 41 of those factors, and 25 are cross-type sensors (discovered within the central space of the picture). You may choose Auto space, Zone choose, Choose, Expanded choose space, Choose and Spot, and the joystick on the again permits you to set the main focus level extra shortly. Focus works all the way down to -Four EV, when utilizing an f/2.Eight lens. The 307,000 pixel RGBIr picture sensor is used to offer monitoring of topics, consists of faces and birds, to assist the digital camera focus extra precisely.

The optical viewfinder (OVF) overlay is a bit of troublesome to see at occasions, indoors and outside principally, and the main focus factors that gentle up purple, are additionally fairly boring, and disappear shortly. You will additionally discover that there is not a lot of a protrusion, and we would favor it if the OVF prolonged additional again out of the digital camera, in order that your nostril is not so near the digital camera physique and digital camera display. The digital camera settings corresponding to shutter velocity, aperture, ISO velocity and different digital camera settings are proven clearly on the backside of the OVF.

You need to use the 3.2inch touch-screen to alter settings and choices, in addition to scroll via the menus. When utilizing the display, there have been usually occasions when images look overexposed on the rear display, and in live-view photographs look brighter and whiter than they really are, so should you’re capturing product pictures, the white background will look accurately corrected, and white, nonetheless, once you have a look at them in your laptop, you will discover they’ll have a yellow tone (relying in your white stability settings).

For those who’re utilizing live-view or video recording, then the shortage of a tilting display may be irritating, and for probably the most half, chances are you’ll wish to use the optical viewfinder. Nevertheless, should you’re used to a set display, then this will not be a difficulty for you.


Menus – The menu system discovered on the K3 III has been up to date. You may select the color theme, we went for blue, nonetheless, the digital camera can be arrange so that each part makes use of this color theme, so the picture menus, the playback menus, the customized settings menus, and the setup menus are all the identical color. We a lot favor completely different sections to have completely different colors, so you’ll be able to shortly see the place you might be within the menus. For those who’re used to utilizing an earlier Pentax digital camera, then it might take some time to get used to the brand new menu system. One very nice function of the brand new menus is the built-in assist system, which explains capabilities, choices and settings in a straightforward to know method.


Battery life – Battery life is rated at 800 pictures in response to Pentax / CIPA check outcomes, which is kind of good however is more likely to be much less when utilizing dwell view. The digital camera takes the identical battery as earlier Pentax cameras however doesn’t embrace an exterior charger within the field. The battery is subsequently charged in-camera utilizing the USB Sort-C connection, it’s also possible to use the digital camera while powering it over USB. There’s an elective D-BG8 battery grip obtainable.

While you’ll be able to shoot at as much as 12fps, the variety of pictures is pretty low, with 36 JPEG (SF) pictures / 27 RAW+JPEG pictures doable, earlier than slowdown/stopping. The digital camera has 2 SD card slots, nonetheless, solely the primary one is UHS-II.

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