• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • Medium format 2,169.5mm2
  • 101.1 megapixels
  • ISO 50 - 12,800
  • Detailed specifications
  • Sony Alpha SLT-A77
  • Phase One XF 100MP
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Sony A77 II
A77 vs A77 II
 
General
Model Number: A77 XF 100MP
Alternate Model Number(s):   XF IQ3 100MP
Camera Format: SLR SLR
Currently Manufactured: No Yes
Retail Price: $1999.99 $48990.00
Street Price: $1,899.00 $48,990.00
Date Available: 2011-10-15 2016-01-04
Tripod Mount: Yes Yes
Weight: 48.1 oz (1,363 g)
includes batteries, kit lens
77.5 oz (2,196 g)
includes batteries
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
6.0 x 5.3 x 6.3 in.
(152 x 135 x 160 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 24.3 101.1
Sensor Format: APS-C Medium format
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 2169.48mm2 (53.70mm x 40.40mm)
Approximate Pixel Pitch: 3.95 microns 4.63 microns
Focal Length Multiplier: 1.5x 0.6x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 78  
DxO Color Depth Score (bits): 24.0  
DxO Dynamic Range Score (evs): 13.2  
DxO Maximum Effective ISO Score (iso): 801  
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
11608 x 8708 (101.1 MP, 4:3)
Image File Format: JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG RAW only, 16-bit IIQ file, lossless and near lossless compression options
Continuous-mode frames/second: 11.6 n/a
Video Capture
Can take movies: Yes No
Movie Resolution: 1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo N/A. Can stream Live View via USB 3.0, or over HDMI at up to 1080p30
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Phase One XF / Hasselblad H
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650) n/a
Focal Length (35mm equivalent): 24 - 75mm  
Focal Length (actual): 16 - 50mm  
Zoom Ratio: 3.13x  
Aperture Range: f/2.8 - f/22 (W/T)  
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes No
Digital Zoom Values: 1.4x / 2x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local Hybrid Autofocus with HAP-1 1MP CMOS Sensor; Spot, Average, Hyperfocal AF modes; Single or Continous AF modes
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter Modular viewfinders (90-degree pentaprism or waist level), 97% coverage, adjustable or exchangeable diopter, interchangeable focus screen (Matte (default), Split, Center Prism)
Focus Peaking: Yes Yes
EVF Resolution: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.73x  
Viewfinder Magnification (nominal/claimed): 1.09x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (307,200 px) 1,152,000 dots (384,000 px)
Touchscreen: No Yes
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 13.6x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 16000 12800
Minimum ISO (native): 100 50
ISO Settings: Auto (100-12800 with selectable limits), 50 (expanded), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000. (Multi-frame NR mode up to ISO 25600) Auto, ISO 50-12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment Auto, Daylight, Fluorescent, Tungsten, Flash, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 3600 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot Average, Spot and Auto
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D) Focus Stack Tool, HDR Sequence Tool
Self Timer: 2, 10; 3 or 5 frames after 10 seconds 0.5-60 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off n/a
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: GN=12(m) at ISO 100; Range is lens aperture dependent n/a
Max Flash Sync: 1/250 1/125 (focal plane shutter); 1/1600 (leaf shutter)
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Proprietary Hot Shoe, PC Sync Terminal Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure Trigger Only
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC CF1
UHS Support: UHS-I  
Other Memory:   UDMA7 supported
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG 16-bit IIQ file, lossless and near lossless compression options
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo N/A. Can stream Live View via USB 3.0, or over HDMI at up to 1080p30
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: Yes No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,FireWire,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Via remote port, USB, Firewire or Wi-Fi
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input IQ3: USB 3.0, Firewire 400/800, Micro (Type-D) HDMI, 8-pin multi-connector port; XF: 12-pin multi-connector port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.42  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.42 1.87
Buffer size for RAW shooting in single shot mode (frames): 5  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.42  
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 11.6  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17  
RAW shooting speed in burst mode (fps): 11.6 0.6
Buffer size for RAW shooting in burst mode (frames): 14 Unlimited
RAW+JPEG shooting speed in burst mode (fps): 11.6  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13  
Shutter lag (full AF, wide/mid): 0.12 seconds 0.33 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.251 seconds
Shutter Lag (manual focus): 0.085 seconds 0.351 seconds
Shutter lag (full AF, with flash): 0.33 seconds  
Shutter Lag (prefocused): 0.054 seconds 0.352 seconds
Shutter Lag (notes): Full AF, Wide-area mode = 0.119s  
Startup Time: 0.8 seconds 10.0 seconds
Play -> Record Time: 1.0 seconds 2.4 seconds
Flash cycle time, full power: 3.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary (2 identical batteries required)
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 4 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) Capture One Pro 9
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only Mac and Windows
Miscellaneous
Notes & Features: SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080p HD Video, Auto+, Multi-frame NR, Hand-held Twilight, Auto HDR, Picture Effect, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 12fps Burst Mode, Built-in GPS.