Pentax K-S2

Released February, 2015
  • 20 MP
  • APS-C 23.5 x 15.6 mm CMOS
  • 3" LCD

Benchmarks Real world tests of the Pentax K-S2

Focus lag Delay between fully pressing shutter to image capture

Pentax K-S2
124 ms
K-5 II
225 ms
Pentax K-30
162 ms

Shutter lag Delay to take a photo when prefocused

Pentax K-S2
77 ms
Alpha A6000
22 ms
Pentax K-S1
120 ms

Startup delay Delay from power on to first photo

Pentax K-S2
1,000 ms
400 ms
Pentax K-5
600 ms

Continuous shooting Delay between fully pressing shutter to image capture

Pentax K-S2
5.4 fps
Alpha A6000
11 fps
Pentax K-5
7 fps

Battery life How many photos per battery charge (CIPA)

Pentax K-S2
410 photos
K-5 II
980 photos
Pentax K-5
740 photos

Specifications Full list of technical specs


Megapixels 20 MP
Resolution 5472 x 3648
Size APS-C
Area 23.5 x 15.6 mm
Crop factor 1.5x
Pixel size 18.4 microns
Light sensitivity 100 ISO to 51,200 ISO

focus system

Type Phase detection
Focus points 11
Supports continuous Yes


Viewfinder mirror Translucent
Viewfinder Viewfinder
Type Pentaprism
Coverage 100%
Magnification 0.95x
Viewfinder size 0.62x


Max continuous shooting 5.4 fps
Battery life 410 photos
Continuous shooting 5.4 fps
Focus lag 124 ms
Shutter lag 77 ms
Startup delay 1,000 ms


Video 1920 x 1080 @ 30 fps
Shoots video in 24p Yes
Shoots high speed video No
External mic jack None


Type LCD
Size 3"
Resolution 921 k dots
Has a touch screen No
Has a flip out screen Yes
Supports live view Yes


Min 30 s
Max 1/5999 s

form factor

Size 91 x 123 x 73 mm
Thickness 73 mm
Weight 678 g
Is weather sealed Yes


Includes a GPS Yes
WiFi None
Image stabilization Sensor shift
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