- APS-C 369.7mm2
- 16.1 megapixels
- ISO 100 - 16,000
- Go in depth with our full Sony A57 Review.
- See real-world photos taken with the A57.
Links | ||
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Prices: | ||
Manufacturer URL: | Manufacturer website | Manufacturer website |
Predecessor: | ||
Successor: | ||
General | ||
Model Number: | GX-20 | A57 |
Alternate Model Number(s): | ||
Camera Format: | Pro SLR | SLR |
Currently Manufactured: | No | No |
Retail Price: | $1399.95 | $799.99 |
Street Price: | ||
Date Available: | 2008-03-30 | 2012-04-15 |
Tripod Mount: | Yes | Yes |
Weight: | 25.2 oz (714 g) |
29.2 oz
(828 g)
includes batteries, kit lens |
Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
5.2 x
3.8 x
3.2 in. (132 x 98 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 | 16.1 |
Sensor Format: | APS-C | APS-C |
Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 369.72mm2 (23.7mm x 15.6mm) |
Approximate Pixel Pitch: | 5.07 microns | 4.82 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 | 75 |
DxO Color Depth Score (bits): | 23.1 | 23.4 |
DxO Dynamic Range Score (evs): | 11.2 | 13.0 |
DxO Maximum Effective ISO Score (iso): | 714 | 785 |
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) |
4912 x 3264
(16.0 MP,
3:2), 4912 x 2760 (13.6 MP, 16:9), 3568 x 2368 (8.4 MP, Other), 3568 x 2000 (7.1 MP, 16:9), 2448 x 1624 (4.0 MP, Other), 2448 x 1376 (3.4 MP, 16:9), 12416 x 1856 (23.0 MP, Other), 5536 x 2160 (12.0 MP, Other), 8192 x 1856 (15.2 MP, Other), 3872 x 2160 (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) |
Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG), 14-bit | JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG |
Continuous-mode frames/second: | n/a | 10.0 |
Video Capture | ||
Can take movies: | No | Yes |
Movie Resolution: |
1920x1080 (60p(PS)/60i(FX)/60i(FH)/24p(FX)/24p(FH))
1440x1080 (30p) 640x480 (30p) |
|
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 18-55mm f/3.5-5.6 DT SAM |
Focal Length (35mm equivalent): | 27 - 83mm | |
Focal Length (actual): | 18 - 55mm | |
Zoom Ratio: | 3.06x | |
Aperture Range: | f/3.5 - 22 (W), f/5.6 - 36 (T) | |
Integrated ND Filter: | No | No |
Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
Macro Focus Range: | ||
Filter Thread: | n/a | 55.0mm |
Thread Type: | n/a | n/a |
Optical Image Stabilization: | No | No |
Digital Zoom: | No | Yes |
Digital Zoom Values: | n/a | Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom |
Auto Focus | ||
Auto Focus: | Yes | Yes |
Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking |
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; 1.1cm (0.43") 1.44M/1.25M-dot LCD (480K/418K-dot time-multiplexed RGB), 100% coverage, 1.04x/0.97x magnification, 23.1/25.2mm eyepoint, -4 to +3 diopter |
Focus Peaking: | No | Yes |
EVF Resolution: | n/a | |
Viewfinder Magnification (35mm equivalent): | 0.69x | |
Viewfinder Magnification (nominal/claimed): | 1.04x | |
Display | ||
Eye-level Viewfinder: | Yes | Yes |
Rear Display: | Yes | Yes |
Rear Display Size (inches): | 2.7 | 3.0 |
Rear Display Resolution: | 230,000 dots | 921,600 dots (307,200 px) |
Touchscreen: | No | No |
Articulating Screen: | No | Yes |
Tilt Swivel Screen: | No | |
Selfie Screen: | No | |
Max Playback Zoom: | 32.0x | 13.6x |
Top Deck Display: | Yes | No |
Exposure | ||
Maximum ISO (native): | 3200 | 16000 |
Minimum ISO (native): | 100 | 100 |
ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) |
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 (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) |
Shutter Speed Range: | 1/4000 - 30 sec | 1/4000 - 30 sec |
Bulb Mode: | Yes | Yes |
Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 3.0EV 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 | Portrait, SportsAction, Macro, Landscape, Sunset, Night scene, Hand-held Twilight (6 shot layering), Night Portrait; Sweep Panorama, 3D Sweep Panorama, Auto Portrait Framing, Picture Effect (Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature), Dynamic Range Optimizer (Off/Auto/Level), |
Self Timer: | 2 or 12 seconds | 2 or 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, Slow sync, Red-eye reduction: On/Off |
Flash Guide Number (ISO 100): | n/a | 10.0 m / 32.8 ft. |
Flash Range Description: | Depends on lens | Lens dependent |
Max Flash Sync: | 1/180 | 1/160 |
Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | |
External Flash Connection: | Hot Shoe, X-Sync Socket | Hot shoe |
Built-In Wireless Flash Control: | ||
Image Storage | ||
Usable Memory Types: | SD / SDHC | MS PRO Duo / SD / SDHC / SDXC |
UHS Support: | ||
Other Memory: | ||
Dual Card Slots: | No | No |
RAW Capture Support: | Yes | Yes |
Uncompressed Format: | RAW (.PEF, .DNG), 14-bit | RAW (12-bit 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 | |
Included Memory Type: | ||
Connectivity | ||
Built-In Wi-Fi: | No | No |
NFC: | No | No |
Bluetooth: | No | No |
Built-In GPS: | No | No |
Microphone Jack: | No | No |
Headphone Jack: | No | No |
External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
PictBridge Compliant: | Yes | Yes |
DPOF Compliant: | Yes | Yes |
Remote Control: | Yes | Yes |
Remote Control Type: | Wired or IR | Optional Wireless or Wired |
Connections (extended): | DC input, wired remote | Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); 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): | ||
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): | ||
Camera penalizes early shutter press? | ||
JPEG shooting speed in burst mode (fps, max resolution): | 10.0 | |
Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | |
RAW shooting speed in burst mode (fps): | ||
Buffer size for RAW shooting in burst mode (frames): | ||
RAW+JPEG shooting speed in burst mode (fps): | ||
Buffer Size for RAW+JPEG shooting in burst mode (frames): | ||
Shutter lag (full AF, wide/mid): | ||
Shutter lag (full AF, tele): | ||
Shutter lag (full AF, live view - DSLR): | ||
Shutter lag (prefocused, live view - DSLR): | ||
Shutter Lag (manual focus): | ||
Shutter lag (full AF, with flash): | ||
Shutter Lag (prefocused): | ||
Shutter Lag (notes): | ||
Startup Time: | ||
Play -> Record Time: | ||
Flash cycle time, full power: | ||
Power | ||
Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
Battery Life, Still (CIPA Rating OVF/EVF): | 550 shots | |
Battery Life, Video: | ||
Battery Form Factor: | Proprietary | Proprietary |
Usable Battery Types: | Lithium-ion rechargeable | NP-FM500H 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: | Sony Software CD-ROM | |
OS Compatibility: | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) | |
Miscellaneous | ||
Notes & Features: | SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4.5 EV correction), Full HD 1080p60 Video, Up to 12 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, New Auto Portrait Framing, Tilting 921K-dot LCD, 1.44M-dot EVF. |