DSLR / CAMERA REFERENCE

K-S1

Pentax

Catalogue announcement:

01 / TECHNICAL RECORD

Specifications

Catalogue specifications. Source: DPReview historical specification record ↗.

Sensor and files

Effective pixels
20 megapixels
Sensor size
APS-C (23.5 x 15.6 mm)
Sensor type
CMOS
Max resolution
5472 x 3648
ISO
Auto, 100 - 51200
Uncompressed format
RAW

Lens and focus

Lens mount
Pentax KAF2
Number of focus points
11
Manual focus
Yes
Image stabilization
Sensor-shift
Image stabilization notes
3-axis

Exposure and shooting

Minimum shutter speed
30 sec
Maximum shutter speed
1/6000 sec
Continuous drive
5.4 fps
Exposure compensation
±5 (at 1/3 EV, 1/2 EV steps)
Metering modes
MultiCenter-weightedSpot
Aperture priority
Yes
Shutter priority
Yes
Built-in flash
Yes (Pop-up)
External flash
Yes (via hot shoe)

Video and audio

Resolutions
1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Format
H.264
Microphone
Stereo
Microphone port
No
Headphone port
No
Speaker
Mono

Viewfinder and screen

Viewfinder type
Optical (pentaprism)
Viewfinder coverage
100%
Viewfinder magnification
0.95× (0.63× 35mm equiv.)
Screen size
3″
Screen dots
921,000
Articulated LCD
Fixed
Touch screen
No

Body and connections

Storage types
SD/SDHC/SDXC
Battery description
D-LI109 lithium-ion battery and charger
Battery Life (CIPA)
410
Weight (inc. batteries)
558 g (1.23 lb / 19.68 oz)
Dimensions
121 x 93 x 70 mm (4.76 x 3.66 x 2.76″)
Environmentally sealed
No
USB
USB 2.0 (480 Mbit/sec)
HDMI
Yes (micro-HDMI)
Wireless
Eye-Fi Connected
Remote control
Yes (via optional wireless remote)

02 / INDEPENDENT COVERAGE

Reviews and field reports

An independent review has not yet been added to this record.

03 / PROVENANCE

Sources and dates

A catalogue year identifies the year held in the source dataset. Announcement dates and retail months are labelled separately. Specifications can vary by region, firmware and recording mode; use the linked manufacturer documentation for those conditions.

Archive updated 2026-10-04. Archive coverage and dataset credits →