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Pentax K-S1 (Body Only)

  • $81995
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Pentax K-S1 is a stylish DSLR camera, offering LED indicator lights on the grip and lighted camera controls. Its sleek and lightweight profile provides handy portability. The camera sports a bright 3.0-inch 921k-dot TFT LCD monitor for reviewing the images.

Internally, it comes with a 20-megapixel APS-C CMOS sensor and the PRIME M II Image Processing Engine this combination enables the capture of highly detailed images with accurate color rendition at ISO speeds up to 51200. The K-S1 features SAFOX IXi+ 11-point autofocus sensor with the ability to capture 5.4 frames per second, also offers 9 cross-type points in the center for increased performance. The Shake Reduction system allows capturing sharp images in less than ideal shooting conditions. The sensor lacks an,anti-aliasing filter but can be put into a simulation mode that will recreate the effects of one for use in certain situations. Along with superb imaging assets and fast focusing, the camera can also able to record full HD 1080p video at up to 30 fps.

Other significant specs of Pentax K-S1 are In-body RAW file development, HDR shooting, Enhanced creative modes, scene modes, filters, and auto picture modes, Built-in pop-up flash, Self Timer, USB 2.0, HDMI D (Micro) and rechargeable Lithium-ion Battery.


Lens Mount Pentax K
Camera Format APS-C / (1.5x Crop Factor)
Pixels Actual: 20.42 Megapixel
Effective: 20.12 Megapixel
Max Resolution 20 MP: 5472 x 3648
Aspect Ratio 3:2
Sensor Type / Size CMOS, 23.5 x 15.6 mm
File Formats Still Images: JPEG, RAW
Movies: MPEG-4 AVC/H.264
Bit Depth 12-bit
Dust Reduction System Yes
Memory Card Type SD
Image Stabilization Sensor-Shift
Focus Control
Focus Type Auto & Manual
Focus Mode Automatic (A), Continuous-servo AF (C), Single-servo AF (S)
Autofocus Points Phase Detection: 11, 9 cross-type
Viewfinder Type Pentaprism
Viewfinder Coverage 100%
Viewfinder Magnification Approx. 0.95x
Diopter Adjustment - 2.5 to +1.5 m
Display Screen 3" Rear Screen LCD (921,000)
Exposure Control
ISO Sensitivity Auto, 100-51200
Shutter Type: Electronic
Speed: 1/6000 - 30 second
Remote Control Remote Control F or O-RC1 (Optional)
Metering Method Center-weighted average metering, Multi-zone metering, Spot metering
Exposure Modes Modes: Aperture Priority, Auto, Bulb, Manual, Movie, Program, Scene Modes, Sensitivity Priority, Shutter Priority, Shutter/Aperture Priority
Metering Range: EV 0.0 - EV 22.0
Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps)
White Balance Modes Auto, CTE, Cloudy, Color Temperature, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Manual, Multi Auto WB, Shade, Tungsten
Flash Modes Auto
Auto/Red-eye Reduction
Flash On
Flash On w/ Red-eye Reduction
Rear Curtain/Slow Sync
Slow Sync
Built-in Flash Yes
Guide No. 32.8' (10 m) ISO100
Max Sync Speed 1 / 180 seconds
Flash Compensation -2 EV to +1 EV (in 1/3 EV steps)
Dedicated Flash System P-TTL Remote Firing
External Flash Connection Hot Shoe
AV Recording
Video Recording Yes, NTSC/PAL
File Size 1920 x 1080p (Full HD)
1280 x 720p (HD)
Aspect Ratio 16:9
Frame Rate @ 1920 x 1080: 30 fps, 25 fps, 24 fps
@ 1280 x 720: 60 fps, 50 fps
Video Clip Length 1920 x 1080
@ 30 fps: 15 min. 51 seconds
@ 24 fps: 19 min. (35 MB / min.)
1280 x 720
@ 60 fps: 15 min. 51 seconds
@ 50 fps: 18 min. (51 MB / min.)
Audio Recording Built-in Mic: With Video, Stereo
Continuous Shooting Up to 5.4 fps
Self Timer 12 seconds, 2 seconds
Interval Recording No
Connectivity 1x USB 2.0
1x HDMI D (Micro) (out)
Wi-Fi Capable No
Software System Requirements Windows: Vista, 7, 8, 8.1
Mac: OS X 10.6 or later
Battery 1x D-LI109 Rechargeable Lithium-ion Battery Pack
AC Power Adapter K-AC128 (Optional)
Operating/Storage Temperature Operating
32 to 104 F (0 to 40 C)
Dimensions (WxHxD) 4.72 x 3.64 x 2.73" / 11.98 x 9.24 x 6.93 cm
Weight 17.6 oz / 499 g without battery or memory card

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