• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 21.00mm - 105.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha ILCA-A77 II
  • Olympus Tough TG-870
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A77
A77 vs A77 II
Olympus TG-860
TG-860 vs TG-870
Successor:    
General
Model Number: A77 II TG-870
Alternate Model Number(s): ILCA-77M2  
Camera Format: SLR Compact
Currently Manufactured: Yes No
Retail Price: $1799.99 $279.99
Street Price: $1,198.00 $279.00
Date Available: 2014-06-15 2016-04-15
Tripod Mount: Yes Yes
Weight: 47.7 oz (1,351 g)
includes batteries, kit lens
7.8 oz (221 g)
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
4.4 x 2.5 x 1.1 in.
(113 x 64 x 28 mm)
Waterproof: No Yes
Waterproof Depth: n/a 50.00 feet (15 meters)
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony BSI CMOS
Effective Megapixels: 24.3 16.0
Sensor Format: APS-C 1/2.3 inch
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 3.92 microns 1.34 microns
Focal Length Multiplier: 1.5x n/a
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:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
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)
4608 x 3456 (15.9 MP, 4:3)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: 11.5 7.0
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 (60p/​30p)
1280x720 (60p/​30p)
640x480 (60p/​30p)
854x480 (120p)
640x480 (120p)
640x360 (240p)
480x360 (240p)
Movie File Format: AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies)
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) Olympus Lens; 10 elements in 8 groups with 5 aspherical elements
Focal Length (35mm equivalent): 24 - 75mm 21 - 105mm
Focal Length (actual): 16 - 50mm 3.7 - 18.7mm
Zoom Ratio: 3.13x 5.00x
Aperture Range: f/2.8 - f/22 (W/T) f/3.5 or f/6 (wide) / f/5.7 or f/9.7 (tele)
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
10 cm to Infinity
3.9 in to Infinity
Macro Focus Range:   1 - 10 cm
0.4 - 3.9 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 1.4x / 2x Smart Zoom, 2x Clear Image Zoom Up to 4x (2x Super Resolution Zoom)
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor Contrast Detection: Face Detect AF, iESP Auto, Spot AF, AF Tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: EVF / LCD No / 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: 2,359,296 dots (786,432 pixels) 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 3.0
Rear Display Resolution: 1,229,760 dots (307,200 px) 920,000 dots
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes Yes
Max Playback Zoom: 13.6x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 25600 6400
Minimum ISO (native): 100 125
ISO Settings: Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR Auto, High, 125, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp. 2500 to 9900K, Color Filter G7 to M7 (15-step), Custom 1/2/3 Auto, Sunny, Cloudy, Incandescent, Fluorescent1, Underwater, One-touch
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 Digital ESP Metering, Spot 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, SportsAction, Macro, Landscape, Sunset, Night Scene, Hand-held Twilight (6 shot layering), Night Portrait; Picture Effects: Toy Camera (Normal/Cool/Warm/ Green/Magenta), Pop Color, Posterization (color/B/W), Retro Photo, Soft High-key, Partial color (R/G/B/Y), High Contrast Monochrome, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Rich Tone Monochrome, Miniature (7Setting), Watercolor, Illustration (Hi/Mid/Lo) Super Macro, Sportcam, Panorama, Self Portrait, Scene Modes (Portrait, e-Portrait, Landscape, Interval Shooting, Live Composite, Hand-held Starlight, Night Scene, Night + Portrait, Sport, Indoor, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Under Water Snapshot, Under Water Wide1, Under Water Wide2, Under Water Macro and Backlight HDR); Art Filters (Pop Art, Soft Focus, Pale&Light Color, Grainy Film, Pin Hole, Diorama, Dramatic Tone, Vintage, Key Line, Watercolor, Light Tone, Cross Process and Gentle Sepia)
Self Timer: 2, 10; 3 or 5 frames after 10 seconds 2, 12, Custom 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, Fill-In, Off, LED; off cameras wireless flash supported
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 ISO1600: W:0.12m-4.0m/ T:0.1m-2.5m
Max Flash Sync: 1/250  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Multi Interface Hot shoe, Sync terminal n/a
Built-In Wireless Flash Control: Full TTL exposure Full TTL exposure
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I 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 MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies)
Included Memory: No memory included 37.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional wireless, wired or via Wi-Fi Via Wi-Fi
Connections (extended): Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input Multi-Terminal (USB Connector, Audio/Video Output, DC input), Micro (Type-D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.36  
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.37  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 11.5 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 26 7
RAW shooting speed in burst mode (fps): 12.0  
Buffer size for RAW shooting in burst mode (frames): 28  
RAW+JPEG shooting speed in burst mode (fps): 12.0  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 24  
Shutter lag (full AF, wide/mid): 0.09 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.095 seconds  
Shutter lag (full AF, with flash): 0.21 seconds  
Shutter Lag (prefocused): 0.051 seconds  
Shutter Lag (notes):    
Startup Time: 0.8 seconds  
Play -> Record Time: 0.9 seconds  
Flash cycle time, full power: 3.1 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 480 shots 300 shots
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots  
Battery Life, Video:   90 minutes
Battery Form Factor: Proprietary NP-FM500H Proprietary LI-50B
Usable Battery Types: Lithium-ion rechargeable Lithium Ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary LI-50B Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) OLYMPUS Viewer software CD-ROM
OS Compatibility: Windows, Mac OS X Windows XP SP3/Vista SP2 / 7/ 8 / 8.1, Mac OS X10.5+
Miscellaneous
Notes & Features: New 79-point phase detection AF system with 15 cross-type sensors, BIONZ X processor, 12fps burst mode with continuous AF, Full HD 60p/24p movies using AVCHD 2.0, clean HDMI output, built-in Wi-Fi with NFC, optional VG-C77AM grip.