• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 35mm 855.6mm2
  • 24.0 megapixels
  • ISO 320 - 25,000
  • Detailed specifications
  • Sony Alpha DSLR-A900
  • Leica M Monochrom (Typ 246)
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A900 M Monochrom (Typ 246)
Alternate Model Number(s):    
Camera Format: Pro SLR Rangefinder
Currently Manufactured: No Yes
Retail Price: $2999.99 $7450.00
Street Price:   $7,595.00
Date Available: 2008-11-15 2015-05-07
Tripod Mount: Yes Yes
Weight: 33.1 oz (939 g)
includes batteries
24.0 oz (680 g)
includes batteries
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
5.5 x 3.1 x 1.7 in.
(139 x 80 x 42 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.6 24.0
Sensor Format: 35mm 35mm
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 855.62mm2 (35.80mm x 23.90mm)
Approximate Pixel Pitch: 5.94 microns 6.01 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG None
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 79  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 12.3  
DxO Maximum Effective ISO Score (iso): 1,431  
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)
5952 x 3968 (23.6 MP, 3:2),
4256 x 2832 (12.1 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
1600 x 1072 (1.7 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG, .DNG RAW (14-bit, compressed or uncompressed), RAW+JPEG
Continuous-mode frames/second: 5.0 3.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (25p/​24p)
1280x720 (25p/​24p)
Movie File Format:   QuickTime Motion JPEG (MOV); built-in mic is mono, but external stereo mic adapter available
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Leica M bayonet
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:   Varies with lens used
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
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 No
Auto Focus Type: 9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8. N/A (Manual focus with OVF/Live View with magnification, focus peaking)
Auto Focus Assist Light? Yes n/a
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 100% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter Non-TTL bright-line frame rangefinder w/ automatic parallax compensation, 0.68x magnification, calibrated to -0.5 dpt (corrective lenses from -3 to +3 diopter available); Optional Visoflex EVF-2 Electronic Viewfinder
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.74x 0.68x
Viewfinder Magnification (nominal/claimed): 0.74x 0.68x
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 (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 19.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 25000
Minimum ISO (native): 200 320
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 Auto, ISO 320 to 25000 in 1/3 EV steps
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) None
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 40-segment Honeycomb Pattern, Center-weighted, Spot OVF: TTL Center-weighted with working aperture; Live view: TTL Multi, Center-weighted, Spot
Program Auto Exposure: Yes No
Aperture Priority: Yes Yes
Shutter Priority: Yes No
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   B&W capture only; Filters available including new yellow, orange and green filters.
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: n/a Control with center-weighted TTL pre-flash metering (with SCA-3501/3502 adapter, or SCA-3000 standard flash unit such as Leica SF 24D/Leica SF 58); First or second curtain sync.
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/250 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, PC-sync SCA-3502 compatible hot shoe, with center contact
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) .DNG RAW (14-bit, compressed or uncompressed), RAW+JPEG
Movie File Format:   QuickTime Motion JPEG (MOV); built-in mic is mono, but external stereo mic adapter available
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
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Wired or wireless Threaded cable release
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Accessory port, contact strip for Multifunction Hand Grip M
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.41  
Buffer size for RAW shooting in single shot mode (frames): 15  
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): 5.0 3.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11 30
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): 0.18 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  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.072 seconds  
Shutter Lag (notes):    
Startup Time: 0.5 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary 7.4v 1800mAh
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary 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). Free download of Adobe Lightroom for registered owners
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+) Windows Vista SP2 /7/ 8; Mac OS X (10.5 or higher)
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. Captures black and white stills and video with no interpolation. Finished in black chrome.