Review: The Pentax K-3 III Proves That DSLR Tech is Far From Finished

Photography Gear

Pentax recently provided me with the new Pentax K-3 III and an 11-18mm lens. It is a pre-production model and the firmware is not final yet. This means that quite a few things don’t work yet or don’t work as they should.

For this test, it unfortunately means that I can’t provide RAW files and the JPG files do not come with EXIF data. The usual ISO and exposure series will certainly be meticulously prepared and analyzed elsewhere. But that’s not what this review is about.

Note: This following review video is in German, but you can have it auto-translated into English:

Let’s get hands-on with this new Pentax APS-C flagship camera.

A Look at the Specs

Under the hood is a 26-megapixel backside-illuminated sensor that is 5-axis-stabilized, as we are accustomed to from previous Pentax cameras. It has an ISO range of 100 to 1.6 million. To what extent this is usable we will see when the final firmware is released.

Under a flap on the right side are two SD card slots. The batteries are standard DLI-90, so everything since the K-10 fits in the camera. Surprisingly, the camera only comes with a USB charger, which can be used to charge the battery inside the camera.

On the left, it still has an HDMI port and a USB-C jack that speaks USB 3.2.

Pentax K-3 III and Pentax-FA 77mm f/1.8 Limited

On the top, apart from the mode dial, we find a relatively large toggle for the 3 operating modes: photo, photo live-view, and movie. Next to it, a new top display that shows all the important camera parameters that include: exposure compensation, ISO, DriveMode, AF setting, battery level, exposure, and aperture. Plus the new S.FN button and a multifunction wheel.

On the back is the new touch display and joystick, as we’ve already seen from other manufacturers in this form.

Okay, so what does that mean in the end? First things first: the new memory card interface is really fast compared to standard SD cards. The buffer empties much quicker (with a much faster processor under the hood) than I’ve noticed on my K-1. The camera is also really responsive while writing to the card. The continuous shooting rate is quite fast for a DSLR. Touted as having speeds of 12 frames per second, it doesn’t quite manage that in practice. With focus tracking, I get maybe 7 to 8 FPS.

Pentax K-3 III – DFA* 11-18 f2.8 // FA 77 1.8 ltd // DFA* 11-18 f2.8

I can’t tell you the exact buffer depth due to the lack of a precise measuring method, but it’s enough for about 5 seconds of continuous fire in the fastest setting, which should be about 50 pictures.

You can freely configure whether the camera uses the cards in the slots one after the other or simultaneously. For example, you can save raw on slot 1 and the JPG files on slot 2. Or what a professional likes: write the RAW to both cards at the same time.

Pentax K-3 III – DFA* 11-18 f2.8 Burst

Another innovation also has to do with speed — there’s finally USB-C! The pictures are quickly transferred to the computer via USB-C cable and you can charge the battery via the socket. The port can also supply external devices with power via USB. If you run out of battery in the field, no problem, the K-3 is a great power bank.

What it DOESN’T Have

There’s no flash, no GPS, no flip-up display. The decision against a folding display is hard to understand. Those who often travel with a tripod or work with flat perspectives will curse every time they take the K-3 into the field. The purist will say that the design is so successful and clean.

Everyone can decide for themselves what they like – but it would still make me swear out loud!

But the Optical Viewfinder…

There’s an optical viewfinder that has not previously been seen at this size in the APS-C format. The viewfinder image feels like full frame. I have always had a K-1 with me during my tests with the K-3 III and have not been able to tell a difference between the two cameras.

This sounds trivial at first, but once you get used to it you don’t want to miss it. The development effort for this must have been considerable and almost certainly also has a large share in the sales price of around $2,300.

A New Autofocus System

In addition to the viewfinder, the autofocus system has received a major update. I’ll spare the technical specifications now, like the number of focus points and distribution. The fact is, it’s much better than anything we’ve seen from Pentax before. One thing in advance: it doesn’t come close to a mirrorless camera. But for most applications, it should be sufficient, even with object tracking.

Even in the low-light range, it works above K-1’s level, which I find quite impressive. This is an area where most mirrorless cameras have the biggest problems.

The Touchscreen

Let’s move on to the touchscreen. The touchscreen works better than expected. The new menu system can be operated perfectly with it. In Liveview, the focus point can be set directly here and when viewing images, you get used to swiping and pinching pretty quickly, just like on the smartphone.

The colors are brilliant and rich in contrast. The new menu system is no longer arranged vertically and has three navigation levels that lead incredibly quickly to the target. In addition, the complete screen design has been reworked and looks much more modern than the old one. A big plus.

I’d rather not write anything about the new SFN operating concept — I just don’t understand it. Maybe I’ll figure it out.

Using the Camera

If you’ve owned and used Pentax cameras before, you immediately feel at home. It fits perfectly in the hand and feels like an absolute premium product. The camera is fast in every way — menu operation, autofocus, and, of course, shooting.

A K-1, on the other hand, feels like a tractor compared to a sleek BMW. All buttons and dials are in exactly the right place. The build quality is absolutely top. The K-3 III feels like you can hammer nails into the wall with it.

Pentax K-3 III – FA 77 1.8 ltd

As mentioned earlier, the viewfinder is one of the K-3’s greatest pleasures. It’s bright and large and you always feel like you’re part of the scene, not the observer. You can see and feel the light and what it does to the optics. Something I never had with a mirrorless. From that point of view, the camera is primarily designed to be used with a viewfinder which makes the decision against a tilting display seem a little more understandable.

Conclusion

With the K-3 III, Pentax reaches the next evolutionary stage in its camera lineup. With it, the long-overdue major technical update has been made that so many Pentaxians have been waiting for.

Still, I’m a little conflicted: on the one hand, it’s an excellent DSLR, on the other, many of the landscape photographers will miss the swiveling display, as well as the lack of GPS. Wildlife photographers, on the other hand, will be super happy with the camera, thanks to the new AF system and fast memory cards. In any case, this also makes it interesting as a camera for event and wedding photographers – also thanks to the good low-light properties.

In terms of image quality, the K-3 doesn’t have to hide behind anything — in this area, it’s absolutely top of the pops.

Pentax K-3 III – FA 77 1.8 ltd – Pixelshift

When people ask me what you get with a camera like this, I come back to a conversation I had some time ago with Wolfgang from Ricoh Germany and we tried to describe and summarize the camera. For me, it is a high-end record player in the streaming age. An anachronism that does well and proves that DSLR technology is far from finished.

Will I buy one? No, as I already have my “dream girl” at home — besides my real wife, that’s the K-1. For a full-frame prime-only shooter, there is nothing better. For anyone else who still shoots a K-3 Mark I or II, however, the K-3 Mark III is a departure into a whole new universe.


A big thank you goes to James Wafer for his help fixing my bad English. If you need excellent illustrations and you’re from the UK, get in touch with him. Thank you Lea for your patience and posing in front of the camera. Thank you, Matze, for the awesome video filming and editing. Thank you, Catalin, for that spontaneous skater shooting.


About the author: Stephen Obermeier is a 3D artist in the field of architecture and a freelance photographer in his ad agency. The opinions expressed in this article are solely those of the author. You can find more of Obermeier’s work on his website. This article was also published here.

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