| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Sony A77
A77 vs A77 II |
|
| Successor: | ||
| General | ||
| Model Number: | GX-20 | A77 II |
| Alternate Model Number(s): | ILCA-77M2 | |
| Camera Format: | Pro SLR | SLR |
| Currently Manufactured: | No | Yes |
| Retail Price: | $1399.95 | $1799.99 |
| Street Price: | $1,198.00 | |
| Date Available: | 2008-03-30 | 2014-06-15 |
| Tripod Mount: | Yes | Yes |
| Weight: | 25.2 oz (714 g) |
47.7 oz
(1,351 g)
includes batteries, kit lens |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
5.6 x
4.1 x
3.2 in. (143 x 104 x 81 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 14.6 | 24.3 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 366.6mm2 (23.50mm x 15.60mm) |
| Approximate Pixel Pitch: | 5.07 microns | 3.92 microns |
| Focal Length Multiplier: | 1.5x | 1.5x |
| 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 | Yes |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 68 | |
| DxO Color Depth Score (bits): | 23.1 | |
| DxO Dynamic Range Score (evs): | 11.2 | |
| DxO Maximum Effective ISO Score (iso): | 714 | |
| Image Capture | ||
| Image Resolution: |
4672 x 3104
(14.5 MP,
Other), 3872 x 2592 (10.0 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 1824 x 1216 (2.2 MP, 3:2) |
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) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG), 14-bit | JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | n/a | 11.5 |
| Video Capture | ||
| Can take movies: | No | 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) |
|
| Movie File Format: | AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC | |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | No | n/a |
| HD Video Out: | No | Yes |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2) | Sony Alpha (Minolta A) |
| Lens: | n/a | Sony 16-50mm f/2.8 DT SSM (SAL1650) |
| Focal Length (35mm equivalent): | 24 - 75mm | |
| Focal Length (actual): | 16 - 50mm | |
| Zoom Ratio: | 3.13x | |
| Aperture Range: | f/2.8 - f/22 (W/T) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
30 cm to Infinity 11.8 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | 1.4x / 2x Smart Zoom, 2x Clear Image Zoom |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | EVF / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism | EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | 2,359,296 dots (786,432 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.73x | |
| Viewfinder Magnification (nominal/claimed): | 1.09x | |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 1,229,760 dots (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | Yes |
| Selfie Screen: | No | Yes |
| Max Playback Zoom: | 32.0x | 13.6x |
| Top Deck Display: | Yes | Yes |
| Exposure | ||
| Maximum ISO (native): | 3200 | 25600 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | 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 |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 16-segment, Center-weighted, Spot | 1200-zone Evaluative, Center-weighted, Spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Sensitivity Priority, Shutter and Aperture Priority | 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) |
| Self Timer: | 2 or 12 seconds | 2, 10; 3 or 5 frames after 10 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off |
| Flash Guide Number (ISO 100): | n/a | 12.0 m / 39.4 ft. |
| Flash Range Description: | Depends on lens | GN=12(m) at ISO 100; Range is lens aperture dependent |
| Max Flash Sync: | 1/180 | 1/250 |
| Flash Exposure Compensation: | +/- 3.0 EV in 0.3EV steps | |
| External Flash Connection: | Hot Shoe, X-Sync Socket | Multi Interface Hot shoe, Sync terminal |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | MS Duo / MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG), 14-bit | 12-bit RAW (ARW 2.3), RAW+JPEG |
| Movie File Format: | AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC | |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | Yes |
| Bluetooth: | No | No |
| Built-In GPS: | No | No |
| Microphone Jack: | No | Yes |
| 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: | Wired or IR | Optional wireless, wired or via Wi-Fi |
| Connections (extended): | DC input, wired remote | Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input |
| 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 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 26 | |
| 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 | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 410 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary | Proprietary NP-FM500H |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary Lithium-ion rechargeable | 1 x Proprietary NP-FM500H Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | |
| Internal Charging Supported: | No | |
| 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. | |
