• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 24.00mm - 840.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio WG-2
  • Nikon Coolpix A900
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax WG-1
WG-1 vs WG-2
Nikon S9900
S9900 vs A900
Successor: Pentax WG-3
WG-2 vs WG-3
Nikon A1000
A900 vs A1000
General
Model Number: WG-2 A900
Alternate Model Number(s):    
Camera Format: Compact Compact
Currently Manufactured: No Yes
Retail Price: $349.95 $399.95
Street Price: $199.00 $396.95
Date Available: 2012-03-15 2016-04-15
Tripod Mount: Yes Yes
Weight: 6.6 oz (186 g)
includes batteries
10.2 oz (289 g)
includes batteries
Size: 4.8 x 2.4 x 1.2 in.
(122 x 61 x 31 mm)
4.4 x 2.6 x 1.6 in.
(113 x 67 x 40 mm)
Waterproof: Yes No
Waterproof Depth:   n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   BSI
Effective Megapixels: 16.0 20.2
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.34 microns 1.19 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No No
Sensor shift image stabilization: No 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: 4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1464 (3.8 MP, Other),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG (Exif 2.3) JPEG (EXIF 2.3)
Continuous-mode frames/second: 1.0 7.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (p30)
1280x720 (p60/​p30)
640x480 (p30)
3840x2160 (30p/​25p)
1920x1080 (60p/​50p/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (120p/​100p)
1280x720 (60p/​30p)
1920x1080 (15p/​12.5p)
Movie File Format: MP4 (AVC H.264) with mono audio MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements Zoom-Nikkor; 13 elements in 11 groups including 4 ED lens elements
Focal Length (35mm equivalent): 28 - 140mm 24 - 840mm
Focal Length (actual): 5 - 25mm 4.3 - 151mm
Zoom Ratio: 5.00x 35.00x
Aperture Range: f/3.5 (wide) / f/5.5 (tele) - ??? f/3.4 (wde) / f/6.9 (tele) - ??; 3-blade iris diaphragm
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in
1 cm to Infinity
0.4 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 7.2x; Intelligent Zoom up to 36x at VGA Up to 4x; up to 2x Dynamic Fine Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes Contrast Detection: Center, Face priority, Manual with 99 focus areas, Subject tracking, Target finding AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: No / LCD No / LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.00x
Viewfinder Magnification (nominal/claimed):   0.00x
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 921,600 dots (230,400 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 10.0x  
Top Deck Display: No
Exposure
Maximum ISO (native): 6400 1600
Minimum ISO (native): 125 80
ISO Settings: Auto (125-6400, adjustable), 125, 200, 400, 800, 1600, 3200, 6400 Auto, ISO 80 - 1600; ISO 3200 (available when using P, S, A or M mode)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Preset Manual
Shutter Speed Range: 1/4000 - 4 sec 1/4000 - 8 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot Matrix, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Night Scene, Handheld Night Snap (ISO 125-1600), Movie, Underwater, Underwater Movie, Digital Microscope (2M), Landscape, Flower, Portrait, Interval Shot, Interval Movie, High Speed Movie (VGA, 120 FPS capture, 30 FPS playback), Digital SR, Surf & Snow, Kids, Pet, Sport, Candlelight, Fireworks, Night Scene Portrait, Text, Food, Digital Wide (5M), Digital Panorama (2M per frame), Frame Composite (3M or 2M), Report (1280x960, ISO 125-1600) Scene Modes: Backlighting, Beach, Close-up, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Multiple Exposure Lighten, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait, Portrait, Scene Auto Selector, Snow, Sports, Sunset, Superlapse Movie; Smart Portrait, Special Effects
Self Timer: 2 or 10 seconds 10 , 5 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Auto, Auto w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off; Slow Syncro
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 18 ft (wide, auto ISO), 11 ft (tele, auto ISO) Auto ISO: [W]: 0.5 to 6.0m (1 ft. 8 in. to 19 ft.), [T]: 1.5 to 3.2m (5 ft. to 11 ft.)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: MP4 (AVC H.264) with mono audio MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
Included Memory: 88.2 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Via Wi-Fi
Connections (extended): Micro HDMI Out (Type D) Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.86  
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):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 1.0 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):   7
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.44 seconds  
Shutter lag (full AF, tele): 0.36 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.048 seconds  
Shutter Lag (notes):    
Startup Time: 2.3 seconds  
Play -> Record Time:    
Flash cycle time, full power: 4.9 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 260 shots 270 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:   50 minutes
Battery Form Factor: Proprietary D-LI92 Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI92 Lithium-ion rechargeable 1 x Proprietary EN-EL12 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Software S-SW125 (CD ROM)  
OS Compatibility: Windows XP(SP3)/Vista/7, Mac OS X 10.4+  
Miscellaneous
Notes & Features: Waterproof to 40 feet, Shockproof to 5 feet, Crushproof to 200 LBF, Freezeproof to 14F, Dustproof, Full HD 1080p Movies, Pixel Track Shake Reduction. Available in Vermillion Red or Black. Kit includes Carabiner Strap and Macro Stand. Available in silver and black.