• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 1/1.7 inch 43.3mm2
  • 12.2 megapixels
  • 28.00mm - 200.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A850
  • Nikon Coolpix P7800
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Nikon P7700
P7700 vs P7800
Successor:    
General
Model Number: A850 P7800
Alternate Model Number(s):    
Camera Format: Pro SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $1999.95 $549.95
Street Price: $2,219.00 $499.95
Date Available: 2009-10-08 2013-09-30
Tripod Mount: Yes Yes
Weight: 30.0 oz (850 g) 14.1 oz (399 g)
includes batteries
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
4.7 x 3.1 x 2.0 in.
(119 x 78 x 50 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.6 12.2
Sensor Format: 35mm 1/1.7 inch
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 5.94 microns 1.90 microns
Focal Length Multiplier: 1.0x n/a
Aspect Ratio: 3:2, 16:9 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 79 54
DxO Color Depth Score (bits): 23.8 21.2
DxO Dynamic Range Score (evs): 12.2 11.7
DxO Maximum Effective ISO Score (iso): 1,415 200
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)
4000 x 3000 (12.0 MP, 4:3),
3984 x 2656 (10.6 MP, 3:2),
3968 x 2232 (8.9 MP, 16:9),
3000 x 3000 (9.0 MP, 1:1),
3264 x 2448 (8.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG (EXIF 2.3), MPO, 12-bit RAW (.NRW), RAW+JPEG
Continuous-mode frames/second: 3.0 8.5
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p/​15p)
1280x720 (30p/​60p)
640x480 (30p/​120p)
Movie File Format:   MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: n/a Zoom-Nikkor ED VR; 13 elements in 10 groups, inc. 2 ED elements
Focal Length (35mm equivalent):   28 - 200mm
Focal Length (actual):   6 - 42.8mm
Zoom Ratio:   7.10x
Aperture Range:   f/2.0 (wide) / f/4.0 (tele) - f/8.0; 7-blade iris diaphragm
Integrated ND Filter: No Yes
Normal Focus Range:   50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   2 cm to Infinity
0.8 in to Infinity
Filter Thread: n/a 40.5mm
Thread Type: n/a On lens
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
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: Auto (9-area automatic selection), Center, Face priority, Manual with 99 focus areas, Subject tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 98% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter 921K-dot eye-level electronic viewfinder
Focus Peaking: No No
EVF Resolution: n/a 921,600 dots (307,200 pixels)
Viewfinder Magnification (35mm equivalent): 0.74x  
Viewfinder Magnification (nominal/claimed): 0.74x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 921,600 dots (230,400 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 19.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 3200
Minimum ISO (native): 200 80
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 Auto, Auto (80-200), Auto (80-400), Auto (80-800), 80, 100, 200, 400, 800, 1600; 3200 and Hi 1=6400 (available when using P, S, A or M mode)
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 1 (Normal), Auto 2 (Warm), Cloudy, Daylight, Fluorescent (1/2/3), Incandescent, Cloudy, Flash, Manual (3 presets), Fine Tune By Kelvin Color Temperature Setting
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 60 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 40-segment Honeycomb Pattern, Center-weighted, Spot 224-segment Matrix, Center-Weighted, Spot; metering can be focus-coupled
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Portrait, Landscape, Sports, Night portrait, Party/indoor, Beach, Snow, Sunset, Dusk/dawn, Night landscape (including hand-held option), Close-up, Food, Museum, Fireworks show, Black and white copy, Backlighting, Easy Panorama, Pet portrait; plus Special effects (Creative monochrome, Painting, Zoom exposure, Defocus during exposure, Cross process, Soft, Nostalgic sepia, High key, Low key, Selective color), HDR, Active D-Lighting
Self Timer: 2 or 10 seconds 10 or 2 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: n/a Auto, Auto with red-eye reduction, Fill flash, Manual (1/64 - full power), Slow sync, Rear curtain sync, Commander
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a Auto ISO: [W]: 0.5 to 10m (1ft. 8 in. to 32 ft.); [T]: 0.5 to 5.5m (1ft. 8 in. to 18ft.)
Max Flash Sync: 1/250 1/4000
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, PC-sync Hot Shoe (iTTL)
Built-In Wireless Flash Control:   Full TTL exposure
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) 12-bit RAW (.NRW), RAW+JPEG
Movie File Format:   MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo)
Included Memory:   86.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired or wireless Optional IR, RF or wired remote
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Mini HDMI, 3.5mm Stereo Microphone Jack, Accessory Port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40 1.59
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.50 3.31
Buffer size for RAW shooting in single shot mode (frames): 23 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   3.60
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 3.0 8.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 23 6
RAW shooting speed in burst mode (fps):   8.4
Buffer size for RAW shooting in burst mode (frames):   6
RAW+JPEG shooting speed in burst mode (fps):   8.5
Buffer Size for RAW+JPEG shooting in burst mode (frames):   6
Shutter lag (full AF, wide/mid): 0.18 seconds 0.42 seconds
Shutter lag (full AF, tele):   0.53 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.154 seconds 0.340 seconds
Shutter lag (full AF, with flash):   0.49 seconds
Shutter Lag (prefocused): 0.074 seconds 0.140 seconds
Shutter Lag (notes):    
Startup Time: 0.5 seconds 1.8 seconds
Play -> Record Time: 0.3 seconds 2.1 seconds
Flash cycle time, full power:   3.4 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   350 shots
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary EN-EL14
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-EL14 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). Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+)  
Miscellaneous
Notes & Features: Cost reduced Sony A900. Smaller viewfinder (98% vs 100%), slower burst mode (3 fps vs 5), wireless remote not included. High-res 921K-dot EVF, articulating 921K-dot RGBW LCD, VR optical image stabilization, 1080p Full HD video capture, 8 fps full-resolution burst mode, compatible with WU-1A Wi-Fi adapter.