Pentax K-r Review

November 1, 2010 | Mark Goldstein |


Camera Type TTL autofocus, auto-exposure digital SLR digital-still camera with built-in retractable P-TTL auto pop-up flash
Type High sensitivity CMOS sensor with a primary colour filter
Size 23.6mm x 15.8mm
Effective Pixels approx. 12.4 megapixels
Still JPEG: [12M] 4288x2428 pixels, [10M] 3936x2624 pixels, [6M] 3072x2048 pixels, [2M] 1728x1152 pixels
3 levels of quality in JPEG (good, better, best)
RAW: [12M] 4288x2428 pixels
Movie HD TV: 1280x720 (16:9) at 25fps
VGA: 640x480 (4:3) at 30 or 25fps
Sensitivity Auto, Manual: ISO 200 to 12800 (1/3EV, 1/2EV or 1EV steps)
Extended sensitivity: from ISO 100 to 25600
Bulb mode: up to ISO1600, Could be expanded to ISO 100-12800
Shake Reduction Sensor-shift Shake Reduction
Compatible with ALL PENTAX lenses
Sensor Cleaning Dust Removal mechanism:
Image sensor moving mechanism, SP Coating and Dust alert function?
Mount PENTAX KAF2 bayonet mount
Usable lenses PENTAX KAF3-, KAF2-*, KAF-, and K-mount lenses
 *Power zoom function is not available
K-mount lenses usable with restrictions
S-mount lenses, 67/645 lenses usable with adapter and with restrictions
Focusing System
Type SAFOX IX autofocus system with TTL phase-matching detection
Functions Focus modes: AF.A(auto), AF.S(single, with focus lock), AF-C(continuous)
11 AF points (9 cross type in the center)
5-point or 11-point Auto, Select or Center
AF assist available (at front)
Type Penta-mirror
Field of View approx. 96%
Magnification approx. 0.85x (with FA 50mm F1.4 lens, at infinity)
Focusing screen Natural Bright Matte III focusing screen?
Diopter adjustment approx. -2.5 - +1.5m-1
Type 3" (7.62cm) TFT colour LCD monitor with AR coating
Adjustable brightness and contrast
Scratch resistant protective glass
170° wide-angle viewing, horizontally and vertically
Resolution Approx. 921 000 dots

Single image or index view (up to 81 images), Image comparison, Magnification (up to 16x, scroll available), Rotation, Calendar view, Folder view, Histogram, Slideshow, Bright/Dark area warning, Resize, Cropping, Copyright and detailed Exif information display

Type Electronically controlled vertical-run focal plane shutter
Speed Auto and Manual : 1/6000 - 30 sec. + Bulb
X-Synchronization Hot shoe, sync-speed: 1/180 sec., P-TTL, high-speed-sync, wireless-sync with PENTAX dedicated flash
Exposure system
Metering TTL open-aperture 16-segment metering (coupled with lens and AF information)
Metering modes: Multi-segment metering, Centre-weighted metering or Spot metering?
Exposure Modes Program (P), Sensitivity-Priority (Sv), Shutter-Priority (Tv), Aperture-Priority (Av), Metered Manual (M) including Bulb, Video
Picture modes: AutoPicture, Portrait, Landscape, Macro, Moving Object, Night scene portrait, Flash off
Scene modes: Night scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stagelight, Night snap, Night scene HDR*

*In Stagelight, Night snap and Night scene HDR, image format is fixed to JPEG
Metering Range EV1-21.5 (Standard ISO 200 with FA 50mm f/1.4 lens)
Auto Exposure Lock Assignable to AF/AE-L button through the menu?
Compensation ± 3EV (selectable EV steps: 1/3 or 1/2 steps)
Auto Bracketing 3 frames
Type Built-in retractable P-TTL auto pop-up flash
Guide Number approx. 16 (Standard Output Sensitivity 200/m), approx. 12 (Standard Output Sensitivity 100/m)
Modes Auto, manual (on/off), red eye reduction, slow-speed sync, rear curtain sync, high-speed sync and wireless sync with PENTAX dedicated external flash?
Synchronization: 1/180 sec., high speed, P-TTL, wireless
Angle of View Coverage Wide-angle lens, equivalent to 28mm in 35mm forma?t
Exposure Compensation from -2 EV to +1EV (1/3EV steps)
Exposure Parameters
Modes One shot, Self-timer (2 or 12 sec), Continuous shooting (Hi, Lo),Remote control (0, 3 sec), Interval up to 999 pictures, Exposure bracketing (3 frames)?
White Balance Auto, Daylight, Shade, Cloudy, Fluorescent light (D, N, W, L), Tungsten light, Flash, CTE, Manual (configuration on monitor)?
Digital Filter Rec. mode: Toy Camera, Retro, High-contrast, Extract color, Soft, Starburst, Fish-eye, Custom
Playback: see next paragraphs
Recording HDTV: 1280x720 (16:9) at 25fps
VGA: 640x480 (4:3) at 30 or 25fps?
Editing Movie editing available
Digital Filter In Playback mode: Toy Camera, Monochrome, Retro, Color, High Contrast, Soft, Extract Color, Star Burst, Sketch, Water Color, Pastel, Miniature, Slim, HDR, Posterization, Base Parameter Adjustment, Custom
External Compatible with SD and SDHC memory cards
File Format

Still images:
RAW 12 bits (PEF, DNG), JPEG (Exif 2.21), DCF 2.0
RAW and JPEG simultaneously recordable
JPEG:3 levels of quality (good, better, best)
Color space: sRGB, Adobe RGB?

AVI (Motion JPEG) with monaural sound

File Name Date (100_MMDD…), PENTX (100PENTX...)
Special Features
Features World Time: 75 cities (28 time zones)
Language English, French, German, Spanish, Portuguese, Italian, Dutch, Danish, Swedish, Finnish, Polish, Czech, Hungarian, Turkish, Greek, Russian, Korean, Chinese (Traditional/Simpl.), Japanese?
Interface AV output, compatible with NTSC and PAL
USB 2.0 mini-B (Hi-Speed)
IrSimple Infrared in/out connection, DC power input?
Source Main: Rechargeable D-LI109 Lithium-ion battery

Optional: 4 AA batteries (Lithium, Ni-MH, rechargeable, alcaline), with optional AA battery adapter D-BH109**
Optional AC adapter K-AC109E also available
** CR-V3 and Oxyride do not comply with this adapter?
Performance Approx. 470 shots*** and 300 min in play mode w/ D-LI109
Approx. 1000 shots*** and 620 min in play mode w/ AA batteries
with 50% flash. Tested in compliance with CIPA standard. Actual result may vary according to the shooting conditions/circumstances?? ?
Height 97mm
Width 125mm
Depth 68mm
Weight 544 g body only, 598 g loaded and ready with Li-ion battery and SD card, 625 g loaded and ready with AA batteries and SD card?
PC Windows XP SP2, VistaTM and 7?
Mac OS X 10.3.9 or above?
Included Software PENTAX Digital Camera Utility 4?