| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: |
Sony A77 II
A77 vs A77 II |
Nikon Z7 II
Z7 vs Z7 II |
| General | ||
| Model Number: | A77 | Z7 |
| Alternate Model Number(s): | Z 7 | |
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $1999.99 | $3399.95 |
| Street Price: | $1,899.00 | $2,146.95 |
| Date Available: | 2011-10-15 | 2018-09-27 |
| Tripod Mount: | Yes | Yes |
| Weight: |
48.1 oz
(1,363 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: | 369.72mm2 (23.7mm x 15.6mm) | 858.01mm2 (35.90mm x 23.90mm) |
| Approximate Pixel Pitch: | 3.95 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: | 78 | 99 |
| DxO Color Depth Score (bits): | 24.0 | 26.3 |
| DxO Dynamic Range Score (evs): | 13.2 | 14.6 |
| DxO Maximum Effective ISO Score (iso): | 801 | 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), 7152 x 1080 (7.7 MP, Other), 4912 x 1080 (5.3 MP, Other), 1920 x 1080 (2.1 MP, 16:9) |
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), MPO (3D), 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: | 11.6 | 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, stereo | 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 | 1.5x (DX), 5:4, 1:1, 16:9 crop modes |
| 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 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: | 2,359,000 dots | 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: | 921,600 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): | 16000 | 25600 |
| Minimum ISO (native): | 100 | 64 |
| 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, 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 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 (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, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D) | 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: | +/- 2.0 EV in 0.3EV steps | -3 to +1 EV in 0.3EV steps |
| External Flash Connection: | Proprietary Hot Shoe, PC 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, stereo | 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: | No | Yes |
| NFC: | No | No |
| Bluetooth: | No | Yes |
| Built-In GPS: | Yes | No |
| Microphone Jack: | Yes | Yes |
| Headphone Jack: | No | Yes |
| External Connections: | USB 2.0 High Speed | USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | Yes | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional Wireless or Wired | Wi-Fi, Bluetooth or optional wired or wireless |
| Connections (extended): | Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 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): | 0.42 | 0.48 |
| 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 | 0.46 |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 11.6 | 9.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 17 | 26 |
| RAW shooting speed in burst mode (fps): | 11.6 | 9.0 |
| Buffer size for RAW shooting in burst mode (frames): | 14 | 23 |
| RAW+JPEG shooting speed in burst mode (fps): | 11.6 | 9.0 |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 13 | 20 |
| Shutter lag (full AF, wide/mid): | 0.12 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): | 0.085 seconds | 0.060 seconds |
| Shutter lag (full AF, with flash): | 0.33 seconds | |
| Shutter Lag (prefocused): | 0.054 seconds | 0.059 seconds |
| Shutter Lag (notes): | Full AF, Wide-area mode = 0.119s | Shutter lag results are with Electronic First Curtain Shutter (EFCS) enabled. |
| Startup Time: | 0.8 seconds | 1.5 seconds |
| Play -> Record Time: | 1.0 seconds | 0.9 seconds |
| Flash cycle time, full power: | 3.2 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 530 shots | 400 shots |
| Battery Life, Still (CIPA Rating OVF/EVF): | 470 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 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. | |
