- 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.
- 1/2.3 inch 28.1mm2
- 16.0 megapixels
- 21.00mm - 105.00mm (35mm eq.)
- Go in depth with our full Olympus TG-850 Review.
| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | A57 | TG-850 |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | Compact |
| Currently Manufactured: | No | No |
| Retail Price: | $799.99 | $249.99 |
| Street Price: | $249.00 | |
| Date Available: | 2012-04-15 | 2014-03-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
29.2 oz
(828 g)
includes batteries, kit lens |
7.7 oz (218 g) |
| Size: |
5.2 x
3.8 x
3.2 in. (132 x 98 x 81 mm) |
4.3 x
2.5 x
1.1 in. (110 x 64 x 28 mm) |
| Waterproof: | No | Yes |
| Waterproof Depth: | n/a | |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | BSI CMOS |
| Effective Megapixels: | 16.1 | 16.0 |
| Sensor Format: | APS-C | 1/2.3 inch |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 28.0735mm2 (6.17mm x 4.55mm) |
| Approximate Pixel Pitch: | 4.82 microns | 1.34 microns |
| Focal Length Multiplier: | 1.5x | n/a |
| Aspect Ratio: | 3:2 | 4:3 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | |
| Self-Cleaning: | Yes | No |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 75 | |
| DxO Color Depth Score (bits): | 23.4 | |
| DxO Dynamic Range Score (evs): | 13.0 | |
| DxO Maximum Effective ISO Score (iso): | 785 | |
| Image Capture | ||
| Image Resolution: |
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) |
4608 x 3456 (15.9 MP, 4:3) |
| Image File Format: | JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG | JPEG (EXIF 2.3) |
| Continuous-mode frames/second: | 10.0 | 7.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (60p(PS)/60i(FX)/60i(FH)/24p(FX)/24p(FH))
1440x1080 (30p) 640x480 (30p) |
1920x1080 (60p/30p)
1280x720 (30p) 640x480 (30p) 1280x720 (120p) 432x324 (240p) |
| Movie File Format: | AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) | MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies) |
| Composite Video Out: | No | Yes |
| NTSC/PAL Switchable Video: | n/a | Yes |
| Video Usable as Viewfinder: | n/a | |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Sony Alpha (Minolta A) | n/a |
| Lens: | Sony 18-55mm f/3.5-5.6 DT SAM | Olympus Lens |
| Focal Length (35mm equivalent): | 27 - 83mm | 21 - 105mm |
| Focal Length (actual): | 18 - 55mm | 3.7 - 18.7mm |
| Zoom Ratio: | 3.06x | 5.00x |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 36 (T) | f/3.5 (wide) / f/5.7 (tele) - ?? |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
10 cm to Infinity 3.9 in to Infinity |
| Macro Focus Range: |
1 -
10 cm 0.4 - 3.9 in |
|
| Filter Thread: | 55.0mm | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | Yes | Yes |
| Digital Zoom Values: | Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom | Up to 4x (2x Super Resolution Zoom) |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking | Contrast Detection: Face Detect AF, iESP Auto, Spot AF, AF Tracking |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | No |
| Viewfinder | ||
| Viewfinder: | EVF / LCD | No / LCD |
| Viewfinder Type: | 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: | Yes | No |
| EVF Resolution: | n/a | |
| Viewfinder Magnification (35mm equivalent): | 0.69x | |
| Viewfinder Magnification (nominal/claimed): | 1.04x | |
| 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) | 460,000 dots |
| Touchscreen: | No | No |
| Articulating Screen: | Yes | Yes |
| Tilt Swivel Screen: | ||
| Selfie Screen: | ||
| Max Playback Zoom: | 13.6x | 10.0x |
| Top Deck Display: | No | |
| Exposure | ||
| Maximum ISO (native): | 16000 | 6400 |
| Minimum ISO (native): | 100 | 125 |
| ISO Settings: | Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) | Auto, High, 125, 200, 400, 800, 1600, 3200, 6400 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) | Auto, Sunny, Cloudy, Incandescent, Fluorescent1, Underwater, One-touch |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/2000 - 4 sec |
| Bulb Mode: | Yes | No |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
| Metering Modes: | 1200-zone Evaluative, Center-weighted, Spot | Digital ESP Metering, Spot Metering |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | No |
| Shutter Priority: | Yes | No |
| Full Manual Exposure: | Yes | No |
| Creative Exposure Modes: | 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), | Scene Modes (Portrait, Landscape, Interval Shooting (1-99 frames, 0-60 min start timer, 10sec-60min interval time), Night Scene, Night + Portrait, Sport, Indoor, Self Portrait, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Under Water Snapshot, Under Water Wide, Under Water Wide, Under Water Macro, Backlight HDR); Super Macro, Panorama, Hand-Held Starlight, e-Portrait; Art Filters (Pop Art, Soft Focus, Pale & Light Color, Grainy Film, Pin Hole, Diorama, Dramatic Tone, Fish Eye, Sparkle, Reflection, Fragmented) |
| Self Timer: | 2 or 10 seconds | 2, 12, Pet auto-shutter 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, Slow sync, Red-eye reduction: On/Off | Auto, Red-Eye Reduction, Fill-In, Off, LED |
| Flash Guide Number (ISO 100): | 10.0 m / 32.8 ft. | n/a |
| Flash Range Description: | Lens dependent | TBD |
| Max Flash Sync: | 1/160 | |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | |
| External Flash Connection: | Hot shoe | n/a |
| Built-In Wireless Flash Control: | ||
| Image Storage | ||
| Usable Memory Types: | MS PRO Duo / SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | No |
| Uncompressed Format: | RAW (12-bit ARW 2.3), RAW+JPEG | |
| Movie File Format: | AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) | MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies) |
| Included Memory: | 37.0 MB | |
| Included Memory Type: | Internal | |
| 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 | No |
| Remote Control: | Yes | |
| Remote Control Type: | Optional Wireless or Wired | |
| Connections (extended): | Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input | Multi-Terminal (USB Connector, Audio/Video Output, DC input), Micro (Type-D) HDMI |
| 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 | 7.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | 6 |
| 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): | 300 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 550 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary | Proprietary LI-50B |
| Usable Battery Types: | NP-FM500H Lithium-ion rechargeable | Lithium Ion rechargeable |
| Batteries Included: | 1 x Proprietary NP-FM500H Lithium-ion rechargeable | 1 x Proprietary LI-50B 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 | OLYMPUS Viewer software CD-ROM |
| OS Compatibility: | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) | Windows Vista/7/8, Mac OS X10.6+ |
| 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. | Waterproof to 33ft/10m; Crushproof to 220lbf/100kgf; Shockproof to 7ft/2.1m; Freezeproof to 14°F/-10°C; Dustproof. Available in black, silver or white. |
