• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 300.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-S2
  • Olympus Stylus 1s
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Olympus Stylus 1
Stylus 1 vs Stylus 1s
Successor:    
General
Model Number: K-S2 Stylus 1s
Alternate Model Number(s):    
Camera Format: SLR EVF
Currently Manufactured: No No
Retail Price: $799.95 $699.99
Street Price: $499.00 $549.00
Date Available: 2015-02-15 2015-04-15
Tripod Mount: Yes Yes
Weight: 30.3 oz (859 g)
includes batteries, kit lens
14.2 oz (402 g)
includes batteries
Size: 4.8 x 3.6 x 2.6 in.
(122 x 91 x 65 mm)
4.6 x 3.4 x 2.2 in.
(116 x 87 x 57 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 20.1 12.0
Sensor Format: APS-C 1/1.7 inch
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 4.29 microns 1.92 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional None
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
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)
3968 x 2976 (11.8 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1024 x 768 (0.8 MP, 4:3)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG, 12-bit RAW, RAW+JPEG
Continuous-mode frames/second: 5.2 7.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
1920x1080 (30p)
1280x720 (30p)
640x480 (120p)
320x240 (240p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) .MOV (MPEG-4 AVC / H.264) with linear PCM 16-bit 48kHz stereo audio / AVI (Motion JPEG)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) n/a
Lens: smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups i.Zuiko Digital ED; 12 elements in 10 groups, 8 apherical; 9-step zoom function
Focal Length (35mm equivalent): 27 - 75mm 28 - 300mm
Focal Length (actual): 18 - 50mm 6 - 64mm
Zoom Ratio: 2.78x 10.70x
Aperture Range: f/4 - f/22 (wide) / f/5.6 - f/32 (tele) f/2.8 - f/8 (W/T); built-in 3-stop ND filter
Integrated ND Filter: No Yes
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
10 cm to Infinity
3.9 in to Infinity
Macro Focus Range:   5 - 60 cm
2.0 - 23.6 in
Filter Thread: 58.0mm n/a
Thread Type: n/a Body threads for opt. adapter
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a 2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching: 11 points (9 cross type focus points in the center) Contrast Detection: 35-area multiple AF (All target, Group target area (9-area), Single target, Small target)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter 1.44M-dot LCD, 0.58x magnification (35mm eq.), ~100% coverage, ~18mm eyepoint, -4 to +2 diopter
Focus Peaking: Yes Yes
EVF Resolution: n/a 1,440,000 dots
Viewfinder Magnification (35mm equivalent): 0.63x 0.58x
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (230,400 px) 1,040,000 dots
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 16.0x 14.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 51200 12800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) AUTO ISO 100 - 12800 (customizable, Default 100-1600) Manual ISO 100 - 12800, 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, Sunny, Shadow, Cloudy, Incandescent, Fluorescent , Flash, Manual (2), Kelvin
Shutter Speed Range: 1/6000 - 30 sec 1/2000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77 segment Multi, Center-weighted, Spot 324-zone Digital ESP, Center-weighted Average, 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 Scene (Portrait, e-Portrait, Landscape, Interval Shooting, Sport, Night, Night + Portrait, Sunset, Documents, Panorama (assist-only), Fireworks, Multiple Exposure, Beach & Snow), 11 Art Filters and 5 Art Effects.
Self Timer: 2 or 12 seconds 2, 12, custom seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
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) Auto, Red-eye reduction, Fill-in, Off, Red-eye reduction slow sync., Slow sync, Full, Manual, Wireless (4 channels, 4 groups)
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 ISO 1600 (W/T): 0.1 ‑ 10.3m / 0.3 - 34 ft.
Max Flash Sync: 1/180 1/2000 (internal flash)
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control: No Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) 12-bit RAW, RAW+JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) .MOV (MPEG-4 AVC / H.264) with linear PCM 16-bit 48kHz stereo audio / AVI (Motion JPEG)
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 No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or Wi-Fi Optional RM-UC1 Remote cable
Connections (extended): Micro (Type D) HMDI Multi-connector (USB/AV/Remote); Type-D Micro HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35  
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  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.2 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 28  
RAW shooting speed in burst mode (fps): 5.2  
Buffer size for RAW shooting in burst mode (frames): 9  
RAW+JPEG shooting speed in burst mode (fps): 5.2  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 6  
Shutter lag (full AF, wide/mid): 0.12 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  
Shutter Lag (manual focus): 0.098 seconds  
Shutter lag (full AF, with flash): 0.15 seconds  
Shutter Lag (prefocused): 0.077 seconds  
Shutter Lag (notes):    
Startup Time: 1.0 seconds  
Play -> Record Time: 0.2 seconds  
Flash cycle time, full power: 2.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   450 shots
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary BLS-50
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary BLS-50 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 OLYMPUS Viewer 3 CD-ROM
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. 28-300mm equivalent f/2.8 stabilized lens, 1/1.7-inch BSI CMOS sensor, TruePic VI processor, high-res EVF, tilting LCD touchscreen, built-in Wi-Fi, 7fps full-res burst mode, Full HD 1080p movies. Available in black.