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| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | A57 | EOS R |
| Alternate Model Number(s): | R | |
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $799.99 | $3399.00 |
| Street Price: | $1,499.00 | |
| Date Available: | 2012-04-15 | 2018-10-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
29.2 oz
(828 g)
includes batteries, kit lens |
48.0 oz
(1,360 g)
includes batteries, kit lens |
| Size: |
5.2 x
3.8 x
3.2 in. (132 x 98 x 81 mm) |
5.3 x
3.9 x
3.3 in. (136 x 98 x 84 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | Canon |
| Effective Megapixels: | 16.1 | 30.3 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 864mm2 (36.00mm x 24.00mm) |
| Approximate Pixel Pitch: | 4.82 microns | 5.36 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| 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 | No |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 75 | 89 |
| DxO Color Depth Score (bits): | 23.4 | 24.5 |
| DxO Dynamic Range Score (evs): | 13.0 | 13.5 |
| DxO Maximum Effective ISO Score (iso): | 785 | 2,742 |
| 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) |
6720 x 4480
(30.1 MP,
3:2), 4464 x 2976 (13.3 MP, 3:2), 3360 x 2240 (7.5 MP, 3:2), 2400 x 1600 (3.8 MP, 3:2), 5952 x 4480 (26.7 MP, 4:3), 3968 x 2976 (11.8 MP, 4:3), 2976 x 2240 (6.7 MP, 4:3), 2112 x 1600 (3.4 MP, Other), 6720 x 3776 (25.4 MP, 16:9), 4464 x 2512 (11.2 MP, 16:9), 3360 x 1888 (6.3 MP, 16:9), 2400 x 1344 (3.2 MP, Other), 4480 x 4480 (20.1 MP, 1:1), 2976 x 2976 (8.9 MP, 1:1), 2240 x 2240 (5.0 MP, 1:1), 1600 x 1600 (2.6 MP, 1:1) |
| Image File Format: | JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG | JPEG (EXIF v2.3), RAW (14 bit), C-RAW; RAW+JPEG |
| Continuous-mode frames/second: | 10.0 | 8.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (60p(PS)/60i(FX)/60i(FH)/24p(FX)/24p(FH))
1440x1080 (30p) 640x480 (30p) |
3840x2160 (30p/25p/24/23.98p)
1920x1080 (60p/50p/30p/25p/24p/23.98p) 1280x720 (120p/100p/60p/30p) |
| Movie File Format: | AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) | MP4 (Video: MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio:ALL-I: Linear PCM; IPB: AAC) |
| 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) | Canon RF |
| Lens: | Sony 18-55mm f/3.5-5.6 DT SAM | Canon RF 24-105mm F4 L IS USM |
| Focal Length (35mm equivalent): | 27 - 83mm | 24 - 105mm |
| Focal Length (actual): | 18 - 55mm | 24 - 105mm |
| Zoom Ratio: | 3.06x | 4.38x |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 36 (T) | f/4 - f/22; with 9 blades |
| Integrated ND Filter: | No | |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
39 cm to Infinity 15.4 in to Infinity |
| Macro Focus Range: | ||
| Filter Thread: | 55.0mm | 77.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | Yes | |
| Digital Zoom Values: | 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: | Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking | Phase Detection AF: Dual Pixel CMOS AF; Max. 5655 points (selectable); Face+Tracking AF (with eye detection), 1-point AF ([AF frame size] can be set to [Small]), Expand AF Area (Above, below, left and right/Around); Zone AF Large Zone AF (Vertical/Horizontal) |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | EVF / LCD | EVF / 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 | EVF; 0.5-inch OLED, 3.69 million dots, 100% coverage, 0.76x magnification, 23mm eyepoint, -4 to +3 diopter, eye sensor |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | 3,690,000 dots | |
| Viewfinder Magnification (35mm equivalent): | 0.69x | 0.76x |
| Viewfinder Magnification (nominal/claimed): | 1.04x | 0.76x |
| 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 | |
| Selfie Screen: | Yes | |
| Max Playback Zoom: | 13.6x | |
| Top Deck Display: | No | Yes |
| Exposure | ||
| Maximum ISO (native): | 16000 | 40000 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) | Auto, 100-40000 in 1/3 or 1 EV steps, expandable to 50 (L), 51200 (H1) and 102400 (H2) |
| 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 (Ambience priority/White priority), Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom, Color Temperature |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 3.0EV in 0.3EV steps |
| Metering Modes: | 1200-zone Evaluative, Center-weighted, Spot | Real-time metering with image sensor; 384 [24x16] zone Evaluative (AF point-linked), Center-weighted, Partial (center 6.1% of frame), Spot (center 2.7% of frame; AF point-linked spot metering not provided.) |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| 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), | Custom shooting mode C1, C2, C3; Multiple-exposure; HDR |
| Self Timer: | 2 or 10 seconds | 2, 10 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off | n/a |
| Flash Guide Number (ISO 100): | 10.0 m / 32.8 ft. | n/a |
| Flash Range Description: | Lens dependent | n/a |
| Max Flash Sync: | 1/160 | 1/200s |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | +/- 3.0 EV in 0.3EV steps |
| External Flash Connection: | Hot shoe | Hot Shoe |
| Built-In Wireless Flash Control: | No | |
| Image Storage | ||
| Usable Memory Types: | MS PRO Duo / SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-II | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (12-bit ARW 2.3), RAW+JPEG | RAW (14 bit), C-RAW; RAW+JPEG |
| Movie File Format: | AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) | MP4 (Video: MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio:ALL-I: Linear PCM; IPB: AAC) |
| Included Memory: | No memory included | |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | No |
| Bluetooth: | No | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | No | 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 | Via Wi-Fi or Bluetooth or optional wired |
| Connections (extended): | Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input | Mini HDMI (Type C), USB-C SuperSpeed USB (USB 3.1 Gen 1), 3.5mm stereo microphone and headphone jacks, remote jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.31 | |
| 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): | 0.30 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 10.0 | 8.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | 126 |
| RAW shooting speed in burst mode (fps): | 8.0 | |
| Buffer size for RAW shooting in burst mode (frames): | 65 | |
| RAW+JPEG shooting speed in burst mode (fps): | 8.0 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 51 | |
| Shutter lag (full AF, wide/mid): | 0.10 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.076 seconds | |
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | 0.052 seconds | |
| Shutter Lag (notes): | ||
| Startup Time: | 2.1 seconds | |
| Play -> Record Time: | 0.9 seconds | |
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 370 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 550 shots | 350 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary | Proprietary LP-E6N/LP-E6 |
| Usable Battery Types: | NP-FM500H Lithium-ion rechargeable | Lithium-ion Rechargeable or BG-E22 battery grip |
| Batteries Included: | 1 x Proprietary NP-FM500H Lithium-ion rechargeable | 1 x Proprietary LP-E6N 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: | 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. | |
