Pentax K-1

The Pentax K-1 is the first production Pentax full-frame digital SLR camera. As the flagship model of the Pentax K-mount system, it includes several new and improved features, including a five-axis SR II in-body image stabilization system, newly designed flexible tilt articulating screen mounted on four metal struts allowing for rotation about the optical axis in addition to upward and downward tilt, and improved autofocus and metering systems.

Pentax K-1
Pentax K1 Mk2 jm61673.jpg
MakerRicoh Imaging
TypeDigital single-lens reflex camera
Lens mountPentax KAF2
Image sensor size35.9×24 mm (35 mm full-frame)
Image sensor makerSony
Maximum resolution7360×4912 (36 megapixels) in full-frame mode
4800×3200 (15 megapixels) in APS-C mode
ASA/ISO rangeISO 100–204800 in 1, ½, or ⅓ EV steps
Recording mediumDual SD/SDHC/SDXC card slots with UHS-I support
Focus modesSingle, continuous, and manual; spot, single-point selection, expanded-area (three sizes), zone select, 33-point automatic
Focus areas33 points, 25 cross-type (SAFOX 12)
Exposure modesFully automatic, program, aperture priority, shutter priority, sensitivity priority, aperture and shutter priority, manual, bulb, X-sync shutter speed, five User presets
Exposure metering86,000-pixel RGB metering sensor with Real-Time Scene Analysis System
Metering modesMulti-segment, center-weighted, spot
Flash synchronization1/200 s X-sync
ShutterVertical-travel focal-plane shutter; rated for 300,000 actuations
Shutter speed range1/8000 s to 30 s in ½ or ⅓ EV steps, from 10 s to 20 min in bulb timer mode
Continuous shooting4.4 fps in full-frame mode
6.5 fps in APS-C mode
ViewfinderEye-level pentaprism, 100% coverage, 0.70× magnification with 50 mm lens
Image processing
Image processorPRIME IV
Custom WBYes
Video/movie recordingH.264/MPEG-4 AVC; 1920×1080 at 60i/50i/30p/25p/24p, 1280×720 at 60p/50p
Rear LCD monitor3.2 inches with 1,037,000 dots, flexible tilting
BatteryD-LI90 lithium-ion battery
Optional battery packsD-BG6 battery grip accepts additional D-LI90 battery or 6 AA (R6) batteries
AV Port(s)HDMI Type D
Data Port(s)USB 2.0 Micro-B
Body composition or special featuresMagnesium-alloy body on stainless-steel chassis; weather-sealed with 87 seals and cold-proof to −10 °C
Weight1,010 g (36 oz) with battery and memory card
925 g (32.6 oz) body only
List priceUS$1799.95
Made inPhilippines
ReleasedApril 2016
integrated GPS receiver
LEDs on lens mount, display and memory slots


The camera was officially announced on February 5, 2016,[1] launched on February 17, 2016[2] and first shipped on April 28, 2016.[3]

A Silver Limited Edition was announced on 24 August 2017, with 2000 units available worldwide.[4]

Ricoh has continued to update the camera after release through free downloadable firmware updates. These have added features including, in v1.40, a night vision mode and a timer for bulb mode.[5]


External image
  Pentax K-1 sample, review and user images, >20MPix. Google Image search

The K-1 achieved the German iF Design Award 2017[6] and Winner status in the German Design Award 2018.[7]

K-1 IIEdit

On 22 February 2018, Ricoh announced the Pentax K-1 Mark II with availability from the end of April 2018.[8] Changes and improvements are the use of the newer imaging processing unit from the KP model as well as faster and more accurate autofocus.[9]


  1. ^ "RICOH IMAGING to exhibit a reference product at CP<+ 2015". Retrieved 2018-01-03.
  2. ^ "PENTAX K-1 PENTAX's first 35mm full-frame digital SLR camera". Retrieved 2018-01-03.
  3. ^ "PENTAX K-1: 2016. 04. 28, go on sale". Archived from the original on 2016-04-22. Retrieved 2018-01-03.CS1 maint: BOT: original-url status unknown (link)
  4. ^ "35mm Full-frame Digital SLR Camera Announcing the launch of the PENTAX K-1 Limited Silver". Retrieved 2018-01-03.
  5. ^ "Latest PENTAX K-1 Firmware Update : Software Downloads | RICOH IMAGING". Retrieved 2016-11-18.
  6. ^ "PENTAX K-1 Recognized in German iF Design Award 2017". Retrieved 2018-01-03.
  7. ^ "PENTAX K-1 Digital SLR Camera Wins Winner in German Design Award 2018". Retrieved 2018-01-03.
  8. ^ "PENTAX K-1 Mark II 35mm full-frame digital SLR camera: The new flagship model of the PENTAX K series, providing exceptional image quality and unprecedented performance". RICOH IMAGING Japan. Retrieved 2018-02-22.
  9. ^ "PressKit K-1 II". RICOH IMAGING. Retrieved 2018-02-22.

External linksEdit