• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 204,800
  • Detailed specifications
  • Pentax K-S2
  • Pentax K-1
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Pentax K-1 II
K-1 vs K-1 II
General
Model Number: K-S2 K-1
Alternate Model Number(s):    
Camera Format: SLR Pro SLR
Currently Manufactured: No Yes
Retail Price: $799.95 $1799.95
Street Price: $499.00 $995.98
Date Available: 2015-02-15 2016-04-15
Tripod Mount: Yes Yes
Weight: 30.3 oz (859 g)
includes batteries, kit lens
35.8 oz (1,015 g)
includes batteries
Size: 4.8 x 3.6 x 2.6 in.
(122 x 91 x 65 mm)
5.4 x 4.3 x 3.4 in.
(137 x 110 x 86 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 20.1 36.4
Sensor Format: APS-C 35mm
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 4.29 microns 4.88 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:   96
DxO Color Depth Score (bits):   25.4
DxO Dynamic Range Score (evs):   14.6
DxO Maximum Effective ISO Score (iso):   3,280
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
7360 x 4912 (36.2 MP, 3:2),
5760 x 3840 (22.1 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 5.2 4.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/25p/24p)
1280x720 (60p/50p)
1920x1080 (60i/50i/30p/25p/24p)
1280x720 (60p/50p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) Pentax K (KA/KAF/KAF2/3)
Lens: smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups n/a
Focal Length (35mm equivalent): 27 - 75mm  
Focal Length (actual): 18 - 50mm  
Zoom Ratio: 2.78x  
Aperture Range: f/4 - f/22 (wide) / f/5.6 - f/32 (tele)  
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 58.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching: 11 points (9 cross type focus points in the center) TTL Phase-detection AF: SAFOX 12, 33 point (25 cross type focus points in the center), Spot, Select, Expanded Area (S, M, L), Zone select, Auto (33 AF points)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter SLR type; eye-level pentaprism, 100% coverage, 0.7x mag., Eyepoint: 20.6mm (from the view window) / 21.7mm (from the center of lens), -3.5 to +1.2 diopter, Natural-Bright-Matte III focusing screen
Focus Peaking: Yes Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x 0.70x
Viewfinder Magnification (nominal/claimed): 0.95x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (230,400 px) 1,036,800 dots (345,600 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 51200 204800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, 100-204800 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings)
Shutter Speed Range: 1/6000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77 segment Multi, Center-weighted, Spot TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Shutter & Aperture Priority (TAv), Sensitivity Priority, Advanced HDR, Scene Mode (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; Dynamic range adjustment: Highlight, shadow Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3; Pixel Shift Resolution (On/Off); Multi-Exposure, Interval Shooting, Interval Composite, Interval Movie Record, Star Stream
Self Timer: 2 or 12 seconds 2 or 12 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No 36.2 megapixels
Flash
Built-in Flash: Yes No
Flash Modes: Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) P-TTL; Modes available depends on external flash mounted
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: GN=12 (m, ISO 100); range depends on lens aperture n/a
Max Flash Sync: 1/180 1/200
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe Hot Shoe, PC Sync socket
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or Wi-Fi Optional wired, IR wireless or Wi-Fi
Connections (extended): Micro (Type D) HMDI Micro (Type D) HMDI, USB 2.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.35 <0.3
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.2 4.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 28 74
RAW shooting speed in burst mode (fps): 5.2 4.6
Buffer size for RAW shooting in burst mode (frames): 9 17
RAW+JPEG shooting speed in burst mode (fps): 5.2 4.6
Buffer Size for RAW+JPEG shooting in burst mode (frames): 6 13
Shutter lag (full AF, wide/mid): 0.12 seconds 0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 0.75 seconds  
Shutter lag (prefocused, live view - DSLR): 0.214 seconds 0.247 seconds
Shutter Lag (manual focus): 0.098 seconds 0.087 seconds
Shutter lag (full AF, with flash): 0.15 seconds  
Shutter Lag (prefocused): 0.077 seconds 0.086 seconds
Shutter Lag (notes):    
Startup Time: 1.0 seconds 1.2 seconds
Play -> Record Time: 0.2 seconds 0.3 seconds
Flash cycle time, full power: 2.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots 760 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
Software
Included Software: Digital Camera Utility 5 Software CD-ROM Software CD-ROM S-SW162 includes Digital Camera Utility 5
OS Compatibility:    
Miscellaneous
Notes & Features: 20 megapixel AA Filter-less CMOS sensor with Prime MII processor, built-in Wi-Fi with NFC, weather-resistant body, all-new retractable kit zoom lens. The K-S2 will be available in 3 standard colors: black, white, and graphite with an orange accent. RICOH IMAGING is also pleased to announce the color order service for the PENTAX K-S2. The PENTAX K-S2 offers a choice of seven color options in two outdoor-themed collections: three in the Nature Collection; Forest Green, Desert Beige, and Stone Gray as well as four in the Sports Collection: White and Lime, Black and Pink, White with a Racing Stripe, and Black with a Racing Stripe.