• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • Detailed specifications
  • Sony Cyber-shot DSC-T900
  • Pentax K-7
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K20D
K20D vs K-7
Successor:   Pentax K-5
K-7 vs K-5
General
Model Number: DSC-T900 K-7
Alternate Model Number(s):    
Camera Format: Ultra Compact Pro SLR
Currently Manufactured: No No
Retail Price: $379.00 $1299.95
Street Price:    
Date Available: 2009-04-15 2009-07-15
Tripod Mount: Yes Yes
Weight: 5.2 oz (147 g)
includes batteries
26.7 oz (758 g)
includes batteries
Size: 3.9 x 2.3 x 0.6 in.
(98 x 58 x 16 mm)
5.1 x 3.8 x 2.9 in.
(130 x 97 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Sony Super HAD  
Effective Megapixels: 12.1 14.6
Sensor Format: 1/2.3 inch APS-C
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 1.54 microns 5.07 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:   61
DxO Color Depth Score (bits):   22.6
DxO Dynamic Range Score (evs):   10.6
DxO Maximum Effective ISO Score (iso):   536
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)
4672 x 3104 (14.5 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
Image File Format: JPEG (Exif v2.21) JPEG (EXIF 2.21), RAW (.PEF, .DNG)
Continuous-mode frames/second: 1.8 5.2
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
640x480 (30)
1280x720 (30)
1536x1024 (30)
640x416 (30)
Movie File Format: MPEG4 AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: Component, Other HDMI
Lens & Optics
Lens Mount: n/a Pentax K (KA/KAF/KAF2)
Lens: Carl Zeiss Vario-Tessar, 12 elements in 10 groups n/a
Focal Length (35mm equivalent): 35 - 140mm  
Focal Length (actual): 6.2 - 24.7mm  
Zoom Ratio: 4.00x  
Aperture Range: f/3.5 (wide) / f/4.6 (tele) - f/10  
Integrated ND Filter: No No
Normal Focus Range: 8 cm to Infinity
3.1 in to Infinity
 
Macro Focus Range: 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 No
Digital Zoom Values: 2x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / center / spot / touch AF 11-point TTL phase-matching (SAFOX VIII)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD Optical / LCD
Viewfinder Type:   SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.61x
Viewfinder Magnification (nominal/claimed):   0.92x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.5 3.0
Rear Display Resolution: 921,000 dots 921,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x 32.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   100
ISO Settings: Auto, 80, 100, 200, 400, 800, 1600, 3200 Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded)
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, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature
Shutter Speed Range: 1/1000 - 1 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-pattern, center-weighted, spot TTL open-aperture: 77-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Easy, High Sensitivity, Twilight, Twilight portrait, Landscape, Softsnap, Snow, Beach, Fire works, Sports, Underwater, Gourmet Sensitivity Priority, Shutter and Aperture Priority, USER, Movie
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
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 On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless
Flash Guide Number (ISO 100): n/a 13.0 m / 42.7 ft.
Flash Range Description: ISO Auto: 0.08m - 4.5m(W), 0.5m - 3.2m(T) Depends on lens
Max Flash Sync:   1/180
Flash Exposure Compensation:   -2 to +1 EV in 0.5EV steps
External Flash Connection: n/a Hot Shoe, PC-Sync Socket
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (.PEF, .DNG)
Movie File Format: MPEG4 AVI (Motion JPEG)
Included Memory: 11.0 MB No memory included
Included Memory Type: built-in memory  
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:   Wired or IR
Connections (extended): Multi-terminal DC input, wired remote, external stereo mic jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):   <0.3
Buffer size for RAW shooting in single shot mode (frames):   13
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 1.8 5.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 20
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):   0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.075 seconds
Shutter lag (full AF, with flash):   0.15 seconds
Shutter Lag (prefocused):   0.074 seconds
Shutter Lag (notes):   Live View Phase-Detect Full AF: 1.2 seconds Contrast-Detect Full AF: 2.3 seconds Prefocused: 0.405 second
Startup Time:   0.6 seconds
Play -> Record Time:   0.1 seconds
Flash cycle time, full power:   3.7 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   740 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Info LITHIUM Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary 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:
Internal Charging Supported:
Software
Included Software:   CD-ROM S-SW74/75
OS Compatibility:   Windows XP/Vista, MacOS 10.2 or later
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, new 77-segment metering system, Distortion and Lateral Chromatic Aberrations correction, High Dynamic Range (HDR) image capture mode, HD Movie capture (1280x720, 1536x1024, 640x416 all at 30 frames per second), HDMI output, magnesium alloy body.