Pentax K-r

The Pentax K-r is a 12.4-megapixel digital single-lens reflex camera, announced on September 9, 2010,[2] and replaced the K-x in Pentax' line-up, with which it shares many features. The K-r is available in three body colors (black, white and red) in North America, with other colors available only in the Japanese market. The K-r introduces a new SAFOX IX autofocus system and has a 3-inch display. There is a known issue with front focus and the Pentax K-r. In low kelvin light the camera has severe front focus and this cannot be corrected with the AF fine tune. Pentax did not solve the problem; it is thought the AF module is responsible for the problem.

Pentax K-r
Overview
TypeDigital single-lens reflex camera
Lens
LensInterchangeable Pentax KAF2 mount compatible with Pentax auto-aperture lenses and SDM lenses; older lenses supported in stop-down metering mode.
Sensor/medium
Sensor23.6 x 15.8 mm APS-C CMOS image sensor with a primary color filter
Maximum resolution12.4 megapixels
Film speedAuto: 200–12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expand to 100–25600 Manual: 200–12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expand to 100–25600
Recording mediumSD, SDHC, SDXC
Focusing
Focus areas11 AF points, 9 of them cross-type
Exposure/metering
Exposure bracketing+/- up to 3 stops in 1/2 or 1/3-stop increments for three frames
Exposure modesFull Auto, Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Flash Off, SCN (allows selecting Night Scene, Surf & Snow, Food, Sunset, Stage Lighting, Night Snap, Night Scene HDR, Kids, Pet, Candlelight, Museum), M (Manual), Av (Aperture Priority), Tv (Shutter Priority), Sv (Sensitivity Priority), P (Program), Movie; when shooting in Live View, Full Auto may select an additional Blue Sky mode
Exposure meteringTTL open-aperture metering with choice of: 16-segment, Center-weighted & Spot meter. Sensitivity range: EV 1–21.5 (ISO 200, 50 mm f/1.4)
Metering modesMulti-segment, Center-weighted, Spot
Shutter
Shutter speed range1/6000 sec – 30 sec, Bulb
Continuous shooting6 frames per second for 13 RAW or 30 JPEG frames[1]
Viewfinder
ViewfinderEye-level pentamirror SLR, 96% coverage, 0.56x magnification
Image processing
White balanceAuto, daylight, Shade, Cloudy, Fluorescent light, Tungsten light, Flash, Color Temperature Enhancement, Manual
General
LCD screen3.0” TFT color LCD monitor with adjustable brightness. Resolution: 921,000 dots
BatteryRechargeable Li-Ion battery D-LI109, AA Battery Holder D-BH109 (optional) for 4× AA batteries
Dimensions125 x 97 x 68 mm
Weight595 g (21.0 oz) with battery
Made inPhilippines

The image quality of Pentax K-r and K-x is identical,[3][4] but colour fidelity in JPEG output has been increased.[5] The K-r has been improved over the K-x in other areas, such as the K-r showing the active focus point in the viewfinder when the shutter button is half-pressed, the K-r offering the joint second-widest ISO range in the Pentax line-up along with K-30—100-25600 in extended mode, which only the K-5 exceeds (K-x: 12800 in extended mode), having the joint second-fastest continuous shooting (6.0 fps) of current Pentax DSLRs (same as the K-30), and using rechargeable battery Li-Ion D-LI109 as standard, but having the ability to use 4 × AA batteries with optional battery holder (the K-x uses AA batteries exclusively).[3] The K-r also has a slightly larger, and much higher resolving display at 921,000 pixels vs. the K-x's 230,000.

HDR (high dynamic range) capture

As in the K-x, the user can choose to have the camera take three images at different exposures and have them combined into a high dynamic range JPEG image. In contrast to its predecessor, the Pentax K-r offers the option to auto-align the images.[6]

References
  1. http://www.imaging-resource.com/PRODS/KR/KRA6.HTM
  2. "K-r Black". Pentax Imaging. Archived from the original on 2011-10-09. Retrieved 2010-09-09.
  3. "Pentax K-r Review". Retrieved May 1, 2012.
  4. http://www.dxomark.com/index.php/Cameras/Compare-Camera-Sensors/Compare-cameras-side-by-side/%28appareil1%29/672%7C0/%28brand%29/Pentax/%28appareil2%29/639%7C0/%28brand2%29/Pentax
  5. http://www.imaging-resource.com/PRODS/KR/KRIMAGING.HTM
  6. http://www.steves-digicams.com/camera-reviews/pentax/k-r-slr/steves-conclusion-123.html
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