Ricoh Pentax K-S1 20.1MP DSLR Camera

Ricoh
Last Updated: 31st October 2025

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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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