• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • 1/2.3 inch 28.1mm2
  • 14.4 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A77
  • Fujifilm FinePix XP170
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Sony A77 II
A77 vs A77 II 		 
General
Model Number: A77 XP170
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $1999.99 $279.95
Street Price: $1,899.00  
Date Available: 2011-10-15 2012-06-15
Tripod Mount: Yes Yes
Weight: 48.1 oz (1,363 g)
includes batteries, kit lens 		7.2 oz (205 g)
includes batteries
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm) 		4.0 x 2.8 x 1.1 in.
(103 x 71 x 27 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Fujifilm
Effective Megapixels: 24.3 14.4
Sensor Format: APS-C 1/2.3 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 3.95 microns 1.43 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes Yes
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) 		4320 x 3240 (14.0 MP, 4:3),
4320 x 3072 (13.3 MP, Other),
4320 x 2432 (10.5 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG JPEG
Continuous-mode frames/second: 11.6 3.0
Video Capture
Can take movies: Yes Yes
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) 		1920x1080 (30p)
1280x720 (30p)
640x480 (30p)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo H.264 (MOV) with mono sound
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650) Fujinon Zoom, 13 elements in 11 groups
Focal Length (35mm equivalent): 24 - 75mm 28 - 140mm
Focal Length (actual): 16 - 50mm 5 - 25mm
Zoom Ratio: 3.13x 5.00x
Aperture Range: f/2.8 - f/22 (W/T) F3.9 / F6.2 (Wide) F4.9 / F8 (Tele) with ND filter
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity 		60 cm to Infinity
23.6 in to Infinity
Macro Focus Range:   9 - 80 cm
3.5 - 31.5 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 1.4x / 2x Up to 6.8x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local Contrast Detection; Center / Tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: EVF / LCD LCD
Viewfinder Type: EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter  
Focus Peaking: Yes No
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 No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 921,600 dots (307,200 px) 230,000 dots
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 13.6x  
Top Deck Display: Yes
Exposure
Maximum ISO (native): 16000  
Minimum ISO (native): 100  
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, 100, 200, 400, 800, 1600, 3200
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, Fine, Shade, Incandescent light, Fluorescent light 1(Daylight), Fluorescent light 2(Warm White), Fluorescent light 3(Cool White)
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot TTL 256-zone metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D) SR AUTO, Pro low-light, Dynamic range, Natural Light & with Flash, Natural Light, Portrait, Portrait enhancer, Landscape, Sport, Night, Night (Tripod), Sunset, Snow, Beach, Under water, Under water (Wide), Under water (Macro), Party, Flower, Text, Motion Panorama360, High Speed movie (80/160/240 fps)
Self Timer: 2, 10; 3 or 5 frames after 10 seconds 2, 10, Couple Timer, Group Timer seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off Auto, Red-eye Reduction,Forced Flash, Suppressed Flash, Slow Synchro, Red-eye Reduction & Slow Synchro
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 Auto ISO: Wide : Approx. 70 cm - 3.1 m / 2.3 ft.-10.2 ft.; Telephoto : Approx.70 cm - 2.7 m / 2.3 ft. - 8.9 ft.
Max Flash Sync: 1/250  
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Proprietary Hot Shoe, PC Sync Terminal n/a
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I  
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG  
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo H.264 (MOV) with mono sound
Included Memory: No memory included 95.0 MB
Included Memory Type:   built-in memory
Connectivity
Built-In Wi-Fi: No No
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 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes
Remote Control Type: Optional Wireless or Wired  
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input Micro HDMI Out (Type D)
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  
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
JPEG shooting speed in burst mode (fps, max resolution): 11.6 3.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 12
RAW shooting speed in burst mode (fps): 11.6  
Buffer size for RAW shooting in burst mode (frames): 14  
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  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.085 seconds  
Shutter lag (full AF, with flash): 0.33 seconds  
Shutter Lag (prefocused): 0.054 seconds  
Shutter Lag (notes): Full AF, Wide-area mode = 0.119s  
Startup Time: 0.8 seconds  
Play -> Record Time: 1.0 seconds  
Flash cycle time, full power: 3.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots 300 shots
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary NP-50A
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary NP-50A 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: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)  
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only  
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. Waterproof to 33ft (10M), Shockproof to 6.5 ft (2M), Freezeproof to 14F (-10C) and Dustproof. Wireless Image Transfer function that allows users to wirelessly connect to their smartphone or tablet and then upload images to the Internet for online sharing. Available in blue or orange.