Ricoh Pentax K-S1 20.1MP DSLR Camera

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  • Last Updated: 15th January 2026
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Key Specs
  • Camera Type DSLR Camera
  • Effective Pixels 20.1 MP
  • Sensor Type CMOS
  • Display Type TFT LCD
  • Display Size 3 inch
  • Battery Type Lithium ion
Market Status Released

Ricoh Pentax K-S1 20.1MP DSLR Camera Full Specifications

General
Brand Ricoh
Model Pentax K-S1 20.1MP DSLR Camera
Model Name Pentax K-S1
Series Pentax
Color Black
Type DSLR Camera
Effective Pixels 20.1 MP
Dimensions(WxHxD) 121 x 93 x 70 mm
Weight 558 GM
Temperature 0 to 40
Sensor features
Sensor Type CMOS
Sensor Size 23.5 x 15.6 mm
Lens features
Lens Type Pentax KAF2
Focal Length 18 - 55 mm / 50 - 200 mm
Aperture Range F3.5 (W) - F5.6 (T) / F4.0 (W) - F5.6 (T)
Manual Focus Yes
Color Filter Primary RGB Color Filter
Viewfinder features
Viewfinder Coverage 100%
Viewfinder Magnification 0.95x
Viewpoint Dioptric Adjustment -2.5m to +1.5m
Viewfinder Eye Point 20.5 mm
Other Viewfinder Features Standard focusing screen (Natural-Bright-Matte III)Depth Of Field Preview (Optical (diaphragm stop-down), digital)
Focus features
Auto Focus Yes
Metering Modes Multi, Center-Weighted, Spot
White Balancing Daylight White, W Cool White, L Warm White), Tungsten Light, Flash, CTE, Manual WB, Color
Other Focus Features Interchangeable Lens Features [Min. Aperture (F22.0 - F32.0), Number of diaphragm blades (6), Lens Optics (11 Elements & 10 Groups), Min. Focus (1.1 m), Maximum magnification (0.24x), Full Time Manual Focus, Filter Thread (49 mm), Rotary Zoom Method
Shutter features
Shutter Speed 1/6000 sec (Max) & 30 sec (Min)
Self-timer Yes
Continuous Shots Hi 5.4 fps, Lo 3.0 fps
Flash features
Built-in Flash Yes
External Flash Yes
Flash Modes Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
Image features
Image Format JPEG, RAW, RAW + JPEG
Maximum Resolution 5472 x 3648
Image Stabilizer Yes
Picture Angle 28 mm Ultra Wide-angle
Display features
Display Type TFT LCD
Display Size 3 inch
Display Resolution 921K dots
LCD Display Fixed Articulated LCD
Connectivity features
HDMI Yes
USB Yes
Storage and power features
Upgradable Memory Yes
Card Type SD, SDHC, SDXC (UHS-1 compliant), Eye-Fi Card, FLU Card
Power Supply AC adapter K-AC128
Battery Type Lithium ion
Battery Life 480
Audio and video features
Microphone Built-in stereo microphone
Speaker Mono Speaker
Audio Features Adjustable recording sound level
Video Format H.264
Modes and functions features
Shooting Modes EFFECT Mode (Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance), Custom Image modes (Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing
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