Effective Pixels	approx.14.6 megapixels
Image Sensor	Total pixels: approx.15.07 megapixels Type: CMOS with a primary color filter Size: 23.4mm x 15.6mm
Color Depth	8 bit (JPEG) or 12 bit (RAW)
Recorded Pixels	JPEG: [14.6M] 4672 x3104 pixels, [10M] 3872 x 2592 pixels, [2M] 1824 x 1216 pixels RAW: [14.6M] 4672 x 3104 pixels
Sensitivity (Standard output sensitivity)	Auto, Manual : ISO100 - 3200(1EV steps or 1/2EV steps) can be expand to ISO6400,Bulb mode:up to ISO1600
Recording Formats	RAW(Original), JPEG (Conforms to Exif 2.21), Conforms to DCF (Design rule of Camera File system)2.0
Image Formats	Compressed: JPEG - Baseline (: Premium ,: Best , : Better, : Good) , RAW+JPEG : avaiable Compressed: RAW (PEF) Non-compressed: RAW (DNG)
Storage Media	SD , SDHC memory card
White Balance	Auto, Daylight, Shade, Cloudy,Tungsten Light, Fluorescent Light (W, D, N), Flash, Manual setting, with WB fine adjustment
Viewfinder	Type: Pentaprism type Focusing screen: Natural-Bright-Matte II focusing screen Field of view: approx.95% Magnification: approx.0.95X (with 50mm F1.4 lens, infinity, -1m-1) Diopter adjustment: approx.-2.5 - +1.5m-1
LCD Monitor	Type: TFT color LCD monitor, brightness adjustable, Color adjustable, Wide angle view Size: 2.7 inch Dots: approx. 230,000 dots
Live View	TTL by Image sensor Field of view: approx. 100% Display: Enlargement (4X, 8x) , Grid pattern
Preview Method	Live View, Digital preview , Optical preview
Playback	One Image, Two Images, Index (4 or 9 or 16 thumb nails), Enlargement (up to 32X, scroll available), Image Rotation, Folder view, Slideshow, Histogram, Bright/Dark area Digital Filter: B&W(4 type), Sepia(3 type), Color (18 type), Color extract (6 type), Soft (three-level amount adjustable), Illustration, HDR (3 type), Slim (+/- 8 level amount adjustable), Brightness (+/- 8 level amount adjustable)
Focusing System	Type: TTL Phase-matching 11-point wide autofocus system (SAFOX VIII) Focus Mode: AF-single (with focus lock); AF-continuous available Manual focus Focus Point: Auto, Select, Center AF assist lamp: avaiable (by Built-in Flash)
Image Stabilizer	Type: Image sensor shift mechanism , Max 4 stops
Dust Removal	Type: Image sensor moving mechanism and SP coating with Dust Alert
Exposure Control	Metering System: TTL open-aperture 16-segment metering (coupled with lens and AF information) Metering Mode: (1) Multi-segment metering (2) Center-weighted metering (3) Spot metering Exposure Range: EV 0 - 21 (at Standard Output Sensitivity 100 with 50mm F1.4 lens) Modes: (1) Green, (2) Program AE, (3) Sensitivity-Priority AE, (4) Shutter-Priority AE, (5) Aperture-Priority AE, (6) Shutter and Aperture Priority AE, (7) Metered Manual, (8) X speed, (9) Bulb Exposure Compensation: ±3 EV (0.5EV steps) , ±2 EV (0.3EV steps) Auto-bracketing: 3 or 5 frames within range of ±0.5EV, ±1.0EV, ±1.5EV, ±2.0EV (0.5EV steps) or ±0.3EV, ±0.7EV, ±1.0EV, ±1.3EV, ±1.7EV, ±2.0EV (0.3EV steps) AE Lock: availiable
Shutter	Shutter Type: Electronically controlled vertical-run focal plane shutter Shutter Speed: 1/4000 - 30 sec. and bulb
Drive Modes	Single-frame , Continuous (Hi, Lo), Burst, Self-timer (12s, 2s), Remote control (0s, 3s), Remote control continuous, auto bracket, extended bracket and Multi-exposure Continuous shooting: approx. 3fps , sequence : until 38 frames (JPEG and continuous (Hi)) , 14 frames (RAW(PEF)) , 16 frames (RAW(DNG)) approx. 2.3fps , sequence : until the memory card becomes full (JPEG and continuous (Lo)) , 14 frames (RAW(PEF)) , 16 frames (RAW(DNG)) Burst mode: approx. 21fps , sequence : 115 frames (1.6M JPEG)
Built-in Flash	Type: Built-in retractable P-TTL pop-up flash Guide number: approx. 13 (Standard Output Sensitivity 100/m) Angle of view coverage: 28mm wide-angle (equivalent to 35mm)
Flash Synchronization	Hot shoe, X-sync socket, sync-speed: 1/180 sec., P-TTL, high-speed-sync, wireless-sync with PENTAX dedicated flash
Data Folder	Folder Name: Date (100_MMDD•••) / PENTX (100PENTX, 101PENTX•••) , File Name: Standard / User customize
Power Sources	Rechargeable D-LI50 lithium-ion battery Optional AC adapter also available.
Battery Life	Number of recordable images: approx. 530*1 (50% use Flash) , approx. 740*2 (Normal Recording) Playback time: approx. 330 minutes*2
Interfaces	USB2.0 (HI-SPEED)/Video , DC input , Cable switch, X-sync socket
Lens Mount	PENTAX KAF2 bayonet mount Usable Lens: PENTAX KAF2-, KAF-, and KA-mount lenses. * Power zoom function available. K-mount lenses usable with restrictions. S-mount lenses, 67/645 lenses usable with adapter and with restrictions.
Dimensions	approx. 141.5(W) x 101(H) x 70(D)mm (5.6 x 4.0 x 2.76 inches)
Weight	approx. 715g (25.2 oz.) without battery and SD memory card. approx. 800g (28.2 oz.) loaded and ready with battery and SD memory card

*1 Recording capacity shows approximate number of shots recorded during CIPA-compliant testing. Actual performance may vary depending on operating conditions.
*2 According to the result of PENTAX in-house testing.