| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Panasonic GF7
GF7 vs GX850 |
|
| Successor: |
Sony A77 II
A77 vs A77 II |
|
| General | ||
| Model Number: | A77 | GX850 |
| Alternate Model Number(s): | GX800, GF9 | |
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $1999.99 | $549.99 |
| Street Price: | $1,899.00 | $547.99 |
| Date Available: | 2011-10-15 | 2017-02-01 |
| Tripod Mount: | Yes | Yes |
| Weight: |
48.1 oz
(1,363 g)
includes batteries, kit lens |
11.9 oz
(336 g)
includes batteries, kit lens |
| Size: |
5.6 x
4.1 x
3.2 in. (143 x 104 x 81 mm) |
4.2 x
2.5 x
1.3 in. (107 x 65 x 33 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | Live MOS |
| Sensor Manufacturer: | Sony | Panasonic |
| Effective Megapixels: | 24.3 | 16.0 |
| Sensor Format: | APS-C | 4/3 |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 224.9mm2 (17.30mm x 13.00mm) |
| Approximate Pixel Pitch: | 3.95 microns | 3.77 microns |
| Focal Length Multiplier: | 1.5x | 2.0x |
| Aspect Ratio: | 3:2 | 4:3 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | None |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 78 | 73 |
| DxO Color Depth Score (bits): | 24.0 | 23.2 |
| DxO Dynamic Range Score (evs): | 13.2 | 13.3 |
| DxO Maximum Effective ISO Score (iso): | 801 | 586 |
| 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) |
4592 x 3448
(15.8 MP,
4:3), 4592 x 3064 (14.1 MP, 3:2), 4592 x 2584 (11.9 MP, 16:9), 3424 x 3424 (11.7 MP, 1:1), 3232 x 2424 (7.8 MP, 4:3), 3232 x 2160 (7.0 MP, 3:2), 3232 x 1824 (5.9 MP, Other), 2416 x 2416 (5.8 MP, 1:1), 2272 x 1704 (3.9 MP, 4:3), 2272 x 1520 (3.5 MP, Other), 1920 x 1080 (2.1 MP, 16:9), 1712 x 1712 (2.9 MP, 1:1), 1824 x 1368 (2.5 MP, 4:3), 1824 x 1216 (2.2 MP, 3:2), 1824 x 1024 (1.9 MP, 16:9), 1712 x 1712 (2.9 MP, 1:1) |
| Image File Format: | JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG | JPEG (EXIF 2.3), MPO, RAW (RW2), RAW+JPEG |
| Continuous-mode frames/second: | 11.6 | 9.4 |
| 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/24p)
1920x1080 (60p/60i/30p/24p) 1280x720 (30p) |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) |
| 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) | Micro Four Thirds |
| Lens: | Sony 16-50mm f/2.8 DT SSM (SAL1650) | Panasonic LUMIX G VARIO 12-32mm f/3.5-5.6 ASPH. MEGA O.I.S. (H-FS12032); 8 elements in 7 groups (3 aspherical lenses, 1 ED) |
| Focal Length (35mm equivalent): | 24 - 75mm | 24 - 64mm |
| Focal Length (actual): | 16 - 50mm | 12 - 32mm |
| Zoom Ratio: | 3.13x | 2.67x |
| Aperture Range: | f/2.8 - f/22 (W/T) | f/3.5 (wide) / f/5.6 (tele) - f/22; 7 diaphragm blades (circular) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
30 cm to Infinity 11.8 in to Infinity |
20 cm to Infinity 7.9 in to Infinity |
| Macro Focus Range: | ||
| Filter Thread: | n/a | 37.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | Yes | Yes |
| Digital Zoom Values: | 1.4x / 2x | 2x, 4x |
| 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: Face detection, AF Tracking, 49-area-focusing, Custom Multi, 1-area-focusing, Pinpoint; Quick AF, Continuous AF, AF+MF, MF Assist, Touch AF/AE Function, Touch MF Assist, Touch Shutter |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| 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 | Yes |
| 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 | 3.0 |
| Rear Display Resolution: | 921,600 dots (307,200 px) | 1,040,000 dots (347,000 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | Yes | Yes |
| Tilt Swivel Screen: | Yes | No |
| Selfie Screen: | Yes | Yes |
| Max Playback Zoom: | 13.6x | 16.0x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 16000 | 25600 |
| Minimum ISO (native): | 100 | 200 |
| 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, Intelligent ISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps |
| 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, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature Setting (2,500-10,000K in 100K steps) |
| Shutter Speed Range: | 1/8000 - 30 sec | 1/16000 - 60 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 | 1728-zone Intelligent Multiple, Center-weighted, Spot |
| 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) | Scene: Portrait, Child, Silky Skin, Backlit Softness, Relaxing Tone, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool, Night Sky, Warm Glowing Nightscape, Artistic Nightscape, Glittering Illuminations, Handheld Night Shot, Clear Night Portrait, Soft Image of a Flower, Appetizing Food, Cute Dessert, Freeze Animal Motion, Clear Sports Shot, Monochrome; Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine; Panorama (Standard / Wide / Self Shot Mode) |
| Self Timer: | 2, 10; 3 or 5 frames after 10 seconds | 2, 10, 3 shots in 10 seconds |
| Time Lapse (intervalometer): | Yes | |
| 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, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync |
| Flash Guide Number (ISO 100): | 12.0 m / 39.4 ft. | 4.0 m / 13.1 ft. |
| Flash Range Description: | GN=12(m) at ISO 100; Range is lens aperture dependent | GN=5.6m (18.3 feet) at ISO 200 / 4.0m (13.1 feet) at ISO 100 |
| Max Flash Sync: | 1/250 | 1/50 |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | +/- 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 | No |
| Image Storage | ||
| Usable Memory Types: | MS Duo / MS PRO Duo / SD / SDHC / SDXC | microSD / microSDHC / microSDXC |
| UHS Support: | UHS-I | UHS-I |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (ARW 2.3), RAW+JPEG | RAW (RW2), RAW+JPEG |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| 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,WiFi |
| PictBridge Compliant: | Yes | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional Wireless or Wired | Via Wi-Fi |
| Connections (extended): | Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input | Micro HDMI (Type-D), Micro-B USB 2.0 |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.42 | 0.35 |
| 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 | 0.34 |
| Camera penalizes early shutter press? | No | Yes |
| JPEG shooting speed in burst mode (fps, max resolution): | 11.6 | 9.4 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 17 | 114 |
| RAW shooting speed in burst mode (fps): | 11.6 | 9.5 |
| Buffer size for RAW shooting in burst mode (frames): | 14 | 17 |
| RAW+JPEG shooting speed in burst mode (fps): | 11.6 | 9.6 |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 13 | 16 |
| Shutter lag (full AF, wide/mid): | 0.12 seconds | 0.23 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 | 0.086 seconds |
| Shutter lag (full AF, with flash): | 0.33 seconds | 0.45 seconds |
| Shutter Lag (prefocused): | 0.054 seconds | 0.085 seconds |
| Shutter Lag (notes): | Full AF, Wide-area mode = 0.119s | |
| Startup Time: | 0.8 seconds | 2.0 seconds |
| Play -> Record Time: | 1.0 seconds | 0.6 seconds |
| Flash cycle time, full power: | 3.2 seconds | 1.6 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 530 shots | 210 shots |
| Battery Life, Still (CIPA Rating OVF/EVF): | 470 shots | |
| Battery Life, Video: | 20 minutes | |
| Battery Form Factor: | Proprietary NP-FM500H | Proprietary |
| Usable Battery Types: | Lithium-ion rechargeable | 7.2v, 680mAh Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary NP-FM500H Lithium-ion rechargeable | 1 x Proprietary 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) | PHOTOfunSTUDIO and SILKYPIX Developer available as free downloads |
| 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. | Available in black or silver. |
