Pentax K-1

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Pentax K-1 is the flagship full frame digital SLR by Ricoh Imaging introduced in 2016.

The K-1 introduced many improvements over previous cameras. Besides a larger sensor with 36 MP it has a tiltable screen and built-in GPS, Wi-Fi, and Bluetooth. Like most other Pentax DSLRs it has a magnesium alloy body and weather sealing. The internal movement of the sensor, used for image stabilization, is also used in astrophotography to follow the stars (Astro-Tracer[1]), simulating an equatorial mount telescope.

An improved version, called K-1 II, was launched in 2018, and while it has the same sensor, it has had many internal improvements, such as Dynamic Pixel-Shift image enhacement, [2] a new processor, extended sensitivity (ISO 819,200) and autofocus algorithms.


Specifications

  • Sensor: 36.4 MP (7,360 x 4,912) full frame (35.9x24.0mm) CMOS sensor, without an anti-aliasing filter.
    • K-1 introduced Super Resolution with Pixel-Shift technology.
    • K-1 II allows hand-holdable Dynamic Pixel-Shift.
  • Mount: Pentax KAF2 and KAF3.
    • Lenses of the K and M series are restricted to Av and M.
    • M42 lenses can use Av stopped down.
  • Viewfinder: Pentaprism with 100% coverage of the field of view. Magnification: 0.70X (with 50mm F1.4 at infinity).
    • Overlay: AF points, grid display, electronic level, AF frame, spot metering frame, crop.
    • Diopter Adjustment: -3.5 to +1.2.
    • Depth of Field Preview: Optical (diaphragm stop-down).
  • AF Points: 33-point SAFOX XII module.
  • Sensitivity: ISO equivalent 100-204,800; K-1 II: 100-819,200.
  • Shutter Speed: 1/8,000 to 30s, Bulb.
  • Astro-tracer: Built-in GPS. Exposure up to 300s.
  • Maximum FPS: 4.4 FPS (full frame) and 6.2 FPS (APS-C).
  • Video Modes: 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p).
  • Storage Type: Dual SD, SDHC, or SDXC card.
    • Wireless Tethering with built in Wi-Fi and Bluetooth.
  • Battery: D-LI90P lithium ion rechargable.
    • Battery Pack: D-BG6 for 6AA or D-LI90 battery can also be used as grip to shoot vertical.
    • AC-Adapter: K-AC132.
  • Weight: 800g (1.76 lb/28.22 oz) with battery and SD card.
  • Dimensions: 132.1 x 100 x 78.7mm (5.16 x 3.94 x 3.03 in)
  • Firmware Updates:
  • Remote Control: Can use wireless remote control E, F, or O-RC1 or wired CS-205.

Notes

  1. AstroTracer explained at Ricoh Imaging
  2. How Pentax Pixel Shift Works at RicohImaging K1 site

Links

Pentax K mount DSLR Cameras
ist D | ist DS | ist DL | ist DS2 | ist DL2 | K100D | K110D | K10D | K100D Super | K20D | K200D | K-m | K-t | K-x | K-5 | K-r | K-30 | K-5 II and K-5 IIs | K-500 | K-50 | K-S1 and K-S2 | K-3 | K-1 | K-P | K-3 II | K-1 II | K-3 III | K-F | K-3 III-Monochrome