• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 35mm 858.0mm2
  • 24.5 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sony Alpha ILCA-A77 II
  • Nikon D780
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A77
A77 vs A77 II
Nikon D750
D750 vs D780
Successor:    
General
Model Number: A77 II D780
Alternate Model Number(s): ILCA-77M2  
Camera Format: SLR SLR
Currently Manufactured: Yes Yes
Retail Price: $1799.99 $2299.95
Street Price: $1,198.00 $2,296.95
Date Available: 2014-06-15 2020-01-25
Tripod Mount: Yes Yes
Weight: 47.7 oz (1,351 g)
includes batteries, kit lens
29.6 oz (840 g)
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
5.6 x 4.5 x 3.0 in.
(144 x 116 x 76 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.3 24.5
Sensor Format: APS-C 35mm
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 858.01mm2 (35.90mm x 23.90mm)
Approximate Pixel Pitch: 3.92 microns 5.94 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
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)
6048 x 4024 (24.3 MP, 3:2),
4528 x 3016 (13.7 MP, 3:2),
3014 x 2016 (6.1 MP, 3:2),
6048 x 3400 (20.6 MP, 16:9),
4528 x 2544 (11.5 MP, 16:9),
3024 x 1696 (5.1 MP, 16:9),
4016 x 4016 (16.1 MP, 1:1),
3008 x 3008 (9.0 MP, 1:1),
2000 x 2000 (4.0 MP, 1:1),
3936 x 2624 (10.3 MP, 3:2),
2944 x 1968 (5.8 MP, 3:2),
1968 x 1312 (2.6 MP, 3:2)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), RAW (NEF), lossless compressed, compressed 14 or 12-bit; RAW+JPEG
Continuous-mode frames/second: 11.5 12.0
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)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (H.264/MPEG-4 AVC video with Linear PCM audio)
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) Nikon F
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650) Nikkor AF-S 24-120mm f/4G ED VR; 17 elements in 13 groups, including 3 aspherical and 2 ED elements
Focal Length (35mm equivalent): 24 - 75mm 24 - 120mm
Focal Length (actual): 16 - 50mm 24 - 120mm
Zoom Ratio: 3.13x 5.00x
Aperture Range: f/2.8 - f/22 (W/T) f/4 - f/22
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
45 cm to Infinity
17.7 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 77.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: 1.4x / 2x Smart Zoom, 2x Clear Image Zoom n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor OVF: 51-point (15 cross-type, f/8 supported by 11 points) TTL phase detection with 3D focus tracking via Nikon Advanced Multi-CAM 3500FX II; Hybrid phase/contrast-detect AF in Live View mode
Auto Focus Assist Light? Yes No
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 SLR type; fixed eye-level pentaprism, 100% coverage, 0.70x magnification, 21mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes Yes
EVF Resolution: 2,359,296 dots (786,432 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.70x
Viewfinder Magnification (nominal/claimed): 1.09x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,229,760 dots (307,200 px) 2,359,296 dots (786,432 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 13.6x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 25600 51200
Minimum ISO (native): 100 100
ISO Settings: Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR ISO 100 - 51,200, Lo-1 (ISO 50), Hi-1 (ISO 102,400), Hi-2 (ISO 204,800), Auto (adjustable)
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 (3 types), natural light auto, direct sunlight, cloudy, shade, incandescent, fluorescent (7 types), flash, choose color temperature (2500K-10,000K), preset manual (up to 6 values can be stored, spot white balance measurement available during live view photography), all except choose color temperature with fine-tuning
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 900 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 180,000-pixel RGB sensor; 3D Color Matrix Metering II (type G, E, and D lenses), Color Matrix Metering II (other CPU lenses); Center-weighted, Spot (1.5%) centered on selected focus area; Highlight-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
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) EFCT Special effect modes: night vision; super vivid; pop; photo illustration; toy camera effect; miniature effect; selective color; silhouette; high key; low key; U1 and U2 user settings; Active D-Lighting
Self Timer: 2, 10; 3 or 5 frames after 10 seconds 2/5/10/20 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 Front-curtain sync, Slow sync, Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync
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 1/200
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Multi Interface Hot shoe, Sync terminal ISO-type Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG RAW (NEF), lossless compressed, compressed 14 or 12-bit; RAW+JPEG
Movie File Format: AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (H.264/MPEG-4 AVC video with Linear PCM audio)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wireless, wired or via Wi-Fi Via Wi-Fi/Bluetooth; optional wired or wireless
Connections (extended): Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input USB 3.1 Gen1 USB-C, Type-C Mini HDMI, Accessory Terminal, 3.5mm Stereo Mic Jack, 3.5mm Stereo Headphone Jack, Built-in Wi-Fi
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 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 26  
RAW shooting speed in burst mode (fps): 12.0 12.0
Buffer size for RAW shooting in burst mode (frames): 28  
RAW+JPEG shooting speed in burst mode (fps): 12.0 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  
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots 2260 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary EN-EL15b/EN-EL15a/EN-EL15
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable (ext. battery grip not supported)
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary EN-EL15b 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) Nikon software available for download
OS Compatibility: Windows, Mac OS X  
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.