• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 35mm 858.0mm2
  • 45.7 megapixels
  • ISO 64 - 25,600
  • Detailed specifications
  • Sony Alpha ILCA-A77 II
  • Nikon Z7
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A77
A77 vs A77 II
 
Successor:   Nikon Z7 II
Z7 vs Z7 II
General
Model Number: A77 II Z7
Alternate Model Number(s): ILCA-77M2 Z 7
Camera Format: SLR Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1799.99 $3399.95
Street Price: $1,198.00 $2,496.95
Date Available: 2014-06-15 2018-09-27
Tripod Mount: Yes Yes
Weight: 47.7 oz (1,351 g)
includes batteries, kit lens
41.4 oz (1,175 g)
includes batteries, kit lens
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
5.3 x 4.0 x 2.7 in.
(134 x 101 x 68 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.3 45.7
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 4.35 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score:   99
DxO Color Depth Score (bits):   26.3
DxO Dynamic Range Score (evs):   14.6
DxO Maximum Effective ISO Score (iso):   2,668
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)
8256 x 5504 (45.4 MP, 3:2),
6192 x 4128 (25.6 MP, 3:2),
4128 x 2752 (11.4 MP, 3:2),
6880 x 5504 (37.9 MP, 5:4),
5152 x 4120 (21.2 MP, 5:4),
3440 x 2752 (9.5 MP, 5:4),
5504 x 5504 (30.3 MP, 1:1),
4128 x 4128 (17.0 MP, 1:1),
2752 x 2752 (7.6 MP, 1:1),
8256 x 4640 (38.3 MP, 16:9),
6192 x 3480 (21.5 MP, 16:9),
4128 x 2320 (9.6 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
5408 x 3600 (19.5 MP, 3:2),
4048 x 2696 (10.9 MP, 3:2),
2704 x 1800 (4.9 MP, 3:2)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.31), NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Continuous-mode frames/second: 11.5 9.0
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 (60p/​50p/​30p/​25p/​24p)
1920x1080 (120p/​100p)
Movie File Format: AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC 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 Z
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650) Nikkor Z 24-70mm f/4 S
Focal Length (35mm equivalent): 24 - 75mm 24 - 70mm
Focal Length (actual): 16 - 50mm 24 - 70mm
Zoom Ratio: 3.13x 2.92x
Aperture Range: f/2.8 - f/22 (W/T) f/4 - f/22; 7-blade rounded diaphragm
Integrated ND Filter: No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 72.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 1.4x / 2x Smart Zoom, 2x Clear Image Zoom 1.5x (DX), 5:4, 1:1, 16:9 crop modes
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor Hybrid phase-detection/contrast AF; 493 (single-point AF); Pinpoint, single-point and dynamic-area AF (pinpoint and dynamic-area AF available in photo mode only); wide-area AF (S); wide-area AF (L); auto-area AF; Autofocus (AF): Single-servo AF (AF-S); continuous-servo AF (AF-C); full-time AF (AF-F; available only in movie mode); predictive focus tracking; Manual focus (M): Electronic rangefinder can be used; Touch AF and Touch Shutter supported.
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / LCD
Viewfinder Type: EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter EVF: 1.27-cm/0.5-in., approx. 3690k-dot (Quad VGA) OLED with color balance and auto and 11-level manual brightness controls, 100% coverage, 0.8x magnification, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: 2,359,296 dots (786,432 pixels) 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.73x 0.80x
Viewfinder Magnification (nominal/claimed): 1.09x 0.80x
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) 2,100,000 dots
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 13.6x 32.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 25600 25600
Minimum ISO (native): 100 64
ISO Settings: Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR Auto, 64 - 25,600 in 1/3, 1/2 or 1EV steps, plus down to 32 in Lo-1 and up to 102,400 in Hi-2
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), Natural Light Auto, Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual (6), Color Temperature (2,500K-10,000K); Fine-tuning available.
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 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 Matrix, Center-weighted (weight of 75% given to 12-mm circle in center of frame; weighting can be based on average of entire frame), Spot (4mm circle or about 1.5% frame, centered on selected focus point), 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) 3 User Settings (U1, U2, U3); HDR, Multiple Exposure (Add, average, lighten, darken)
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, slow rear-curtain sync, off
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 hotshoe
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC XQD
UHS Support: UHS-I  
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Movie File Format: AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC 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 Wi-Fi, Bluetooth or optional wired or wireless
Connections (extended): Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input Mini (Type C) HDMI, USB 3.1 Gen 1 Type C (SuperSpeed USB), 10-pin Expansion Terminal, Stereo Mic Jack (3.5mm, plug-in power provided), Stereo Audio Out (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.36 0.48
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 0.46
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 11.5 9.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 26 26
RAW shooting speed in burst mode (fps): 12.0 9.0
Buffer size for RAW shooting in burst mode (frames): 28 23
RAW+JPEG shooting speed in burst mode (fps): 12.0 9.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 24 20
Shutter lag (full AF, wide/mid): 0.09 seconds 0.21 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 0.060 seconds
Shutter lag (full AF, with flash): 0.21 seconds  
Shutter Lag (prefocused): 0.051 seconds 0.059 seconds
Shutter Lag (notes):   Shutter lag results are with Electronic First Curtain Shutter (EFCS) enabled.
Startup Time: 0.8 seconds 1.5 seconds
Play -> Record Time: 0.9 seconds 0.9 seconds
Flash cycle time, full power: 3.1 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 480 shots 400 shots
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots 330 shots
Battery Life, Video:   85 minutes
Battery Form Factor: Proprietary NP-FM500H Proprietary
Usable Battery Types: Lithium-ion rechargeable EN-EL15b/EN-EL15a/EN-EL15 Lithium-ion rechargeable
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)  
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.