• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-S2
  • Olympus Tough TG-4
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Olympus TG-3
TG-3 vs TG-4
Successor:   Olympus TG-5
TG-4 vs TG-5
General
Model Number: K-S2 TG-4
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $799.95 $379.99
Street Price: $499.00 $451.50
Date Available: 2015-02-15 2015-05-15
Tripod Mount: Yes Yes
Weight: 30.3 oz (859 g)
includes batteries, kit lens 		8.7 oz (247 g)
includes batteries
Size: 4.8 x 3.6 x 2.6 in.
(122 x 91 x 65 mm) 		4.4 x 2.6 x 1.2 in.
(112 x 66 x 31 mm)
Waterproof: No Yes
Waterproof Depth: n/a 50.00 feet (15 meters)
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   BSI CMOS
Effective Megapixels: 20.1 16.0
Sensor Format: APS-C 1/2.3 inch
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 4.29 microns 1.34 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes Yes
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) 		4608 x 3456 (15.9 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.3), RAW (.ORF), RAW+JPEG
Continuous-mode frames/second: 5.2 5.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p) 		1920x1080 (30p)
1280x720 (30p)
640x480 (30p)
640x480 (120p)
320x240 (240p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) MOV/H.264 with stereo sound, AVI/Motion JPEG (High-Speed Movie, Time-Lapse Movie)
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 Olympus Lens, 9 lenses in 7 groups, with dual aspheric elements and 2 ED elements
Focal Length (35mm equivalent): 27 - 75mm 25 - 100mm
Focal Length (actual): 18 - 50mm 4.5 - 18mm
Zoom Ratio: 2.78x 4.00x
Aperture Range: f/4 - f/22 (wide) / f/5.6 - f/32 (tele) f/2.0/2.8/8.0 (wide) / f/4.9/6.3/18 (tele); 2-step aperture + ND filter
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity 		10 cm to Infinity
3.9 in to Infinity
Macro Focus Range:   1 cm to Infinity
0.4 in to Infinity
Filter Thread: 58.0mm 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x (2x Super Resolution Zoom)
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: Face Detect AF, iES, Spot AF, AF Tracking, AF Target Selection
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD No / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter  
Focus Peaking: Yes No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x  
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (230,400 px) 460,800 dots (153,600 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 16.0x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 51200 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, High, 100, 200, 400, 800, 1600, 3200, 6400
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, Cloudy, Incandescent, Fluorescent1, Underwater, One-touch
Shutter Speed Range: 1/6000 - 30 sec 1/2000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77 segment Multi, Center-weighted, Spot Digital ESP Metering, Spot Metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes No
Full Manual Exposure: Yes No
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 Modes: Portrait, ePortrait, Landscape, Interval , Live Composite, Handheld Star Light, Night Scene, Night + Portrait, Sport, Indoor, Self Portrait, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Snow, Panorama, Backlight HDR, Underwater Snapshot, Underwater Wide1, Underwater Wide2, Underwater Macro, Underwater HDR; Art Filters: Pop Art, Soft Focus, Pale & Light Color, Grainy Film, Pin Hole, Diorama, Dramatic Tone, Fish Eye, Sparkle, Reflection, Fragmented; Microscope Modes: Microscope, Focus Stacking, Focus Bracketing, Microscope Control; Photo Story
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) Flash Auto, Red-Eye Reduction, Fill-In, Flash Off, Remote Control, SLV Slave, Slow Synchronization, LED On
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: 0.2m - 7.9m; T: 0.1m - 3.1m
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe n/a
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:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) RAW (.ORF), RAW+JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) MOV/H.264 with stereo sound, AVI/Motion JPEG (High-Speed Movie, Time-Lapse Movie)
Included Memory: No memory included 55.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: No No
Built-In GPS: No Yes
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 Via Wi-Fi
Connections (extended): Micro (Type D) HMDI Multi-terminal (USB Connector, DC Jack, Audio/Video Output), Micro HDMI (Type D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35 0.51
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 0.59
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.2 5.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 28 100
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 0.26 seconds
Shutter lag (full AF, tele):   0.16 seconds
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 0.096 seconds
Shutter lag (full AF, with flash): 0.15 seconds 0.32 seconds
Shutter Lag (prefocused): 0.077 seconds 0.032 seconds
Shutter Lag (notes):    
Startup Time: 1.0 seconds 1.0 seconds
Play -> Record Time: 0.2 seconds 0.7 seconds
Flash cycle time, full power: 2.3 seconds 1.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   380 shots
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary LI-92B
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary LI-92B Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: Digital Camera Utility 5 Software CD-ROM CD-ROM with Instruction Manual and Olympus Viewer 3 Software
OS Compatibility:   Windows, Mac OS X
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. Waterproof to 50 feet (15 m), crushproof to 220 pounds (100kgf), shockproof from 7 feet (2.1 m), freezeproof down to 14F (-10C), and dustproof. Available in red or black.