Pentax K-1 Mark II DSLR Camera Body, Black {36.4MP}

Pentax's full-frame DSLR with Pixel Shift Resolution II built in.

The K-1 Mark II is built around a 36.4MP AA-filterless full-frame CMOS sensor paired with the PRIME IV processor and a Ricoh-developed Accelerator Unit. That accelerator unit handles the heavy denoising work, freeing the main processor for color and detail rendering, which is why the camera can push to ISO 819200 and still produce files worth working with. The 5-axis sensor-shift stabilization system does double duty: it controls camera shake and also drives Pixel Shift Resolution System II, which captures four sequential frames with single-pixel sensor shifts to record full RGB data at every photosite. The Mark II's key advance over its predecessor is Dynamic Pixel Shift Resolution, which makes the technique usable handheld by compensating for camera motion during the four-shot sequence. Landscape and architectural photographers who used to need a tripod for this mode now have a practical field option.

The same SR mechanism also powers the built-in Astrotracer function, which syncs sensor movement to the rotation of the Earth during long exposures, a genuinely useful tool for astrophotography that doesn't require any external hardware. The weather-sealed magnesium body handles 87 sealed points, the tilting 3.2" LCD holds its axis relative to the lens, and dual SD card slots keep a backup workflow in reach. At 4.4 fps with up to 17 RAW frames in the buffer, this isn't a sports camera, but for landscape, studio, and night sky work, the combination of 36.4MP resolution, handheld Pixel Shift capability, and Astrotracer in a single sealed body is a hard argument to answer.

Key Features

• 36.4MP full-frame AA-filterless CMOS sensor with 5-axis sensor-shift stabilization
• PRIME IV processor with Ricoh Accelerator Unit handles denoising at ISO 100-819200
• Pixel Shift Resolution II captures four shifted frames; Dynamic mode works handheld
• Astrotracer function syncs sensor movement to celestial motion for point-star long exposures
• 4.4 fps full-frame continuous shooting with 17 RAW frame buffer capacity
• 33-point autofocus system with single and continuous AF modes
• Tilting 3.2-inch LCD with cross-tilt design aligned to lens optical axis
• Weather-sealed magnesium body with 87 sealed points; dual SD UHS-I card slots

FAQ

What's the difference between Pixel Shift Resolution II and Dynamic Pixel Shift Resolution?

Pixel Shift Resolution II requires a tripod and captures four sequential frames with single-pixel sensor shifts to record full RGB data at every photosite, producing maximum detail. Dynamic Pixel Shift Resolution compensates for camera motion during the four-shot sequence, making the technique usable handheld without sacrificing color accuracy, though tripod results will still be sharper.

Can I use Pixel Shift Resolution handheld?

Yes, with Dynamic Pixel Shift Resolution mode. The camera's 5-axis sensor-shift system detects slight subject position fluctuations during continuous shooting and corrects for them, letting you capture high-resolution composites without a tripod. For static scenes, tripod-mounted traditional Pixel Shift Resolution II still produces the best results.

How does the Accelerator Unit improve image quality?

The Ricoh-developed Accelerator Unit offloads denoising work from the main PRIME IV processor, freeing it to focus on color rendering and detail preservation. This dual-processor architecture enables the camera to reach ISO 819200 while maintaining usable image quality in low-light situations.

What is Astrotracer and how does it work?

Astrotracer syncs sensor movement to Earth's rotation during long exposures, keeping stars as points of light rather than trails. It uses the camera's built-in GPS for latitude, magnetic compass for direction, and acceleration sensors to track celestial motion automatically without external hardware.

How weather-sealed is the K-1 Mark II?

The magnesium body has 87 sealed points across buttons, dials, and covers. A battery grip adds 47 more sealed points. The front of the CMOS sensor uses piezoelectric elements for ultrasonic vibration to remove adherent dust, and the design handles operation down to minus 10 degrees Celsius.

What's the battery life for the K-1 Mark II?

Approximately 670 still frames per charge per CIPA standard testing, with around 340 minutes of playback time. Battery life is 12% lower than the original K-1 due to power draw from the Accelerator Unit.

Can I use my existing K-mount lenses on the K-1 Mark II?

Yes. The camera supports KAF4, KAF3, KAF2 (with power zoom), KAF, and KA mount lenses, so your K-mount glass will work. The 5-axis sensor-shift stabilization is effective across all compatible lenses.