• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 28.00mm - 560.00mm (35mm eq.)
  • Detailed specifications
  • Sony Cyber-shot DSC-T900
  • Pentax Optio VS20
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: DSC-T900 VS20
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $379.00 $249.95
Street Price:   $105.84
Date Available: 2009-04-15 2012-02-15
Tripod Mount: Yes Yes
Weight: 5.2 oz (147 g)
includes batteries 		8.3 oz (235 g)
includes batteries
Size: 3.9 x 2.3 x 0.6 in.
(98 x 58 x 16 mm) 		4.4 x 2.4 x 1.5 in.
(112 x 61 x 38 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer: Sony Super HAD  
Effective Megapixels: 12.1 16.0
Sensor Format: 1/2.3 inch 1/2.33 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.198mm2 (6.13mm x 4.6mm)
Approximate Pixel Pitch: 1.54 microns 1.33 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No 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: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3) 		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),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (Exif v2.21) JPEG (EXIF 2.3)
Continuous-mode frames/second: 1.8 1.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
640x480 (30) 		1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p)
Movie File Format: MPEG4 AVI (Motion JPG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes No
HD Video Connection: Component, Other
Lens & Optics
Lens Mount: n/a n/a
Lens: Carl Zeiss Vario-Tessar, 12 elements in 10 groups smc PENTAX zoom lens, 11 elements, 8 groups, 1 aspheric element
Focal Length (35mm equivalent): 35 - 140mm 28 - 560mm
Focal Length (actual): 6.2 - 24.7mm 5 - 100mm
Zoom Ratio: 4.00x 20.00x
Aperture Range: f/3.5 (wide) / f/4.6 (tele) - f/10 f/3.1 (wide) / f4.8 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 8 cm to Infinity
3.1 in to Infinity 		40 cm to Infinity
15.7 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in 		1 - 20 cm
0.4 - 7.9 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: 2x 7.2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / center / spot / touch AF Contrast Detection: 93 point AF, Spot AF, Auto Tracking AF, Macro, Super Macro, Infinity Landscape, Manual Focus
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.5 3.0
Rear Display Resolution: 921,000 dots 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x 10.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto, 80, 100, 200, 400, 800, 1600, 3200 Auto: 100-1600 (auto range adjustable), Digital SR 100-6400, Manual: 100-6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, White Fluorescent, Natural White Fluorescent, Day White Fluorescent, Incandescent, Flash, Underwater Auto / 1 / 2 / Flash Auto, Daylight, Shade, Tungsten, Fluorescent, Manual
Shutter Speed Range: 1/1000 - 1 sec 1/2500 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-pattern, center-weighted, spot Multi
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Easy, High Sensitivity, Twilight, Twilight portrait, Landscape, Softsnap, Snow, Beach, Fire works, Sports, Underwater, Gourmet Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M)
Self Timer: 2 or 10 seconds 10s, 2s, Remote 3s seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, On, Slow-Sync, Off, Auto w/ Red-Eye Reduction, Slow-Sync w/ Red-Eye Reduction Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: ISO Auto: 0.08m - 4.5m(W), 0.5m - 3.2m(T) 17 feet (wide, auto ISO), 11 feet (tele, auto ISO)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: MPEG4 AVI (Motion JPG)
Included Memory: 11.0 MB 16.0 MB
Included Memory Type: built-in memory Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
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
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional infrared
Connections (extended): Multi-terminal  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
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?
JPEG shooting speed in burst mode (fps, max resolution): 1.8 1.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 6
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):    
Shutter lag (full AF, tele):    
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):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots 200 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary Info LITHIUM Proprietary D-LI122
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary D-LI122 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:   Software CD-ROM S-SW122
OS Compatibility:    
Miscellaneous
Notes & Features: Optical SteadyShot image stabilization, Touch-screen hi-res LCD, Smile Shutter, Intelligent Scene Recognition, Dynamic Range Optimizer, In-camera Retouching, HD Slide Show with music. Available in silver, black, red, and bronze. HDMI capable is an optional extra. Sensor-shift image stabilization, Dual shutter release/zoom buttons, 720p HD movies, Optional IR remote, Digital level. Available in Noble Black or Brilliant White.