• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • APS-C 368.2mm2
  • 16.2 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A900
  • Nikon Coolpix A
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A900 Coolpix A
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $2999.99 $1099.95
Street Price:   $1,096.95
Date Available: 2008-11-15 2013-03-15
Tripod Mount: Yes Yes
Weight: 33.1 oz (939 g)
includes batteries
10.5 oz (298 g)
includes batteries
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
4.4 x 2.5 x 1.6 in.
(111 x 64 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.6 16.2
Sensor Format: 35mm APS-C
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 368.16mm2 (23.60mm x 15.60mm)
Approximate Pixel Pitch: 5.94 microns 4.79 microns
Focal Length Multiplier: 1.0x 1.5x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 79 80
DxO Color Depth Score (bits): 23.7 23.4
DxO Dynamic Range Score (evs): 12.3 13.8
DxO Maximum Effective ISO Score (iso): 1,431 1,164
Image Capture
Image Resolution: 6048 x 4032 (24.4 MP, 3:2),
6048 x 3408 (20.6 MP, Other),
4400 x 2936 (12.9 MP, 3:2),
4400 x 2472 (10.9 MP, 16:9),
3984 x 2656 (10.6 MP, 3:2),
3024 x 2016 (6.1 MP, 3:2),
2896 x 1928 (5.6 MP, 3:2),
3024 x 1704 (5.2 MP, Other),
1984 x 1320 (2.6 MP, 3:2)
4928 x 3264 (16.1 MP, Other),
3696 x 2448 (9.0 MP, Other),
2464 x 1632 (4.0 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG (EXIF 2.3), 14-bit RAW (.NEF), RAW+JPEG
Continuous-mode frames/second: 5.0 4.1
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (30p/​25p/​24p)
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC, Audio: Linear stereo PCM)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: n/a NIKKOR ; 7 elements in 5 groups
Focal Length (35mm equivalent):   28mm
Focal Length (actual):   18.5mm
Zoom Ratio:   1.00x
Aperture Range:   f/2.8 - f/22; Electronically-controlled 7-blade iris diaphragm with 19 steps of 1/3 EV
Integrated ND Filter: No No
Normal Focus Range:   50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   10 cm to Infinity
3.9 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8. Contrast Detect: Center, Normal area, Wide area, Face priority, Subject tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) No / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 100% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter Optional DF-CP1 Optical Viewfinder
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.74x  
Viewfinder Magnification (nominal/claimed): 0.74x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 19.0x 31.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 200 100
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 Auto, 100-6400, Hi-1=12800, Hi-2=25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Color Temperature from 2,500K to 9,900K, Custom (3) Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Preset Manual
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 40-segment Honeycomb Pattern, Center-weighted, Spot Matrix, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Beach/Snow, Blossom, Candlelight, Child, Close-up, Dusk/Dawn, Food, High Key, Landscape, Low Key, Autumn colors, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait, Portrait, Silhouette, Sports, Sunset
Self Timer: 2 or 10 seconds 2, 5, 10, 20 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: n/a Auto, Auto+slow sync, Fill flash, Slow sync, Rear-curtain+slow sync, Manual, Off; Red-eye reduction available
Flash Guide Number (ISO 100): n/a 6.0
Flash Range Description: n/a GN approx. 6/21, or 6/22 when fired in manual mode at full power (ISO 100, m/ft, 23C/73.4F); 0.5 to 11.5m (1ft. 8 in. to 37ft.)
Max Flash Sync: 1/250 1/2000
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot shoe, PC-sync Hot shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: CF1 / CF2 / MS Duo / MS PRO Duo / Microdrive SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, cRAW, RAW+JPEG; (ARW 2.0) 14-bit RAW (.NEF), RAW+JPEG
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC, Audio: Linear stereo PCM)
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: 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: Yes Yes
Remote Control Type: Wired or wireless Optional wired or wireless
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Mini (Type C) HDMI, Accessory Terminal, DC-input via dummy battery AC adapter
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40 0.96
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.41 0.96
Buffer size for RAW shooting in single shot mode (frames): 15 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.04
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.0 4.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11 Unlimited
RAW shooting speed in burst mode (fps):   4.1
Buffer size for RAW shooting in burst mode (frames):   17
RAW+JPEG shooting speed in burst mode (fps):   4.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   10
Shutter lag (full AF, wide/mid): 0.18 seconds 0.58 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.153 seconds 0.235 seconds
Shutter lag (full AF, with flash):   0.67 seconds
Shutter Lag (prefocused): 0.072 seconds 0.065 seconds
Shutter Lag (notes):   Full Autofocus lag, Multi-area AF mode = 0.577s
Startup Time: 0.5 seconds 1.9 seconds
Play -> Record Time: 0.3 seconds 1.0 seconds
Flash cycle time, full power:   5.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   230 shots
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary EN-EL20
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary EN-EL20 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Image Data Converter SR, Image Data Lightbox SR, Remote Camera Control (all Windows & Macintosh), Picture Motion Browser (Windows only). ViewNX 2 CD-ROM
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+) Windows, Mac OS
Miscellaneous
Notes & Features: 24.6MP Full-frame CMOS sensor, In-body SteadyShot Image Stabilization, Intelligent Preview, Enhanced DRO, Magnesium-alloy Body, Dust/Moisture Resistance, 100K Shutter, 3 User Programmable Memory Modes, AF Micro-adjustment, Top Mounted LCD, Quick Navigation system, Custom button, PhotoTV HD output via HDMI optimized for Sony Bravia TVs. Nikon's first DX-format Coolpix camera. Available in black and silver. Optional DF-CP1 Optical Viewfinder will be available for a suggested retail price of ~US$450, and the UR-E24 Adapter Ring and HN-CP18 Lens Hood will be sold together for a suggested retail price of US$130.