- 1/2.3 inch 28.1mm2
- 14.0 megapixels
- 28.00mm - 504.00mm (35mm eq.)
- Go in depth with our full Fujifilm S2800HD Review.
- APS-C 369.7mm2
- 16.2 megapixels
- ISO 100 - 12,800
- Go in depth with our full Sony A55 Review.
- See real-world photos taken with the A55.
Links | ||
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Prices: | ||
Manufacturer URL: | Manufacturer website | Manufacturer website |
Predecessor: | ||
Successor: | ||
General | ||
Model Number: | S2800HD | A55 |
Alternate Model Number(s): | SLT-A55 (w/o GPS) | |
Camera Format: | EVF | SLR |
Currently Manufactured: | No | No |
Retail Price: | $259.95 | $849.99 |
Street Price: | $229.00 | $733.99 |
Date Available: | 2010-09-05 | 2010-10-15 |
Tripod Mount: | Yes | Yes |
Weight: |
15.4 oz
(437 g)
includes batteries |
25.6 oz
(727 g)
includes batteries, kit lens |
Size: |
4.3 x
2.9 x
3.2 in. (110 x 73 x 81 mm) |
4.9 x
3.6 x
3.3 in. (124 x 92 x 85 mm) |
Waterproof: | No | No |
Waterproof Depth: | n/a | n/a |
Image Sensor | ||
Sensor Type: | CCD | CMOS |
Sensor Manufacturer: | Sony | |
Effective Megapixels: | 14.0 | 16.2 |
Sensor Format: | 1/2.3 inch | APS-C |
Sensor size: | 28.0735mm2 (6.17mm x 4.55mm) | 369.72mm2 (23.7mm x 15.6mm) |
Approximate Pixel Pitch: | 1.44 microns | 4.82 microns |
Focal Length Multiplier: | n/a | 1.5x |
Aspect Ratio: | 4:3, 16:9 | 3:2, 16:9 |
Color Filter Type: | RGBG | |
Anti Aliasing Filter: | Fixed | |
Self-Cleaning: | No | Yes |
Sensor shift image stabilization: | Yes | Yes |
On-Sensor Phase Detect: | No | No |
DxO Sensor Score: | 73 | |
DxO Color Depth Score (bits): | 23.0 | |
DxO Dynamic Range Score (evs): | 12.4 | |
DxO Maximum Effective ISO Score (iso): | 818 | |
Image Capture | ||
Image Resolution: |
4288 x 3216
(13.8 MP,
4:3), 4288 x 2864 (12.3 MP, 3:2), 4288 x 2416 (10.4 MP, Other), 3072 x 2304 (7.1 MP, 4:3), 3072 x 2048 (6.3 MP, 3:2), 3072 x 1728 (5.3 MP, 16:9), 2048 x 1536 (3.1 MP, 4:3), 2048 x 1360 (2.8 MP, Other), 1920 x 1080 (2.1 MP, 16:9) |
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), 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) |
Image File Format: | JPEG (Exif v2.3) | JPEG, RAW (ARW 2.2), RAW+JPEG |
Continuous-mode frames/second: | 1.2 | 9.0 |
Video Capture | ||
Can take movies: | Yes | Yes |
Movie Resolution: |
1280x720 (30)
640x480 (30) 320x240 (30) |
1920x1080 (60i/50i)
1440x1080 (30/25) 640x480 (30/25) |
Movie File Format: | AVI (Motion JPEG) | AVCHD, MP4 |
Composite Video Out: | Yes | No |
NTSC/PAL Switchable Video: | Yes | n/a |
Video Usable as Viewfinder: | n/a | |
HD Video Out: | Yes | Yes |
HD Video Connection: | HDMI | HDMI |
Lens & Optics | ||
Lens Mount: | n/a | Sony Alpha (Minolta A) |
Lens: | Fujinon | Sony 18-55mm f/3.5-5.6 DT SAM |
Focal Length (35mm equivalent): | 28 - 504mm | 27 - 83mm |
Focal Length (actual): | 5 - 90mm | 18 - 55mm |
Zoom Ratio: | 18.00x | 3.00x |
Aperture Range: | f/3.1 / 6.4 (wide); f/5.6 / 11 (tele) | f/3.5 - 22 (W), f/5.6 - ?? (T) |
Integrated ND Filter: | No | No |
Normal Focus Range: |
40 cm to Infinity 15.7 in to Infinity |
|
Macro Focus Range: |
2 -
100 cm 0.8 - 39.4 in |
|
Filter Thread: | n/a | 55.0mm |
Thread Type: | n/a | n/a |
Optical Image Stabilization: | No | No |
Digital Zoom: | Yes | No |
Digital Zoom Values: | Up to 6.7x | n/a |
Auto Focus | ||
Auto Focus: | Yes | Yes |
Auto Focus Type: | Contrast Detect AF: Center, Multi, Area, Tracking; Single AF, Continuous AF | Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. |
Auto Focus Assist Light? | Yes | Yes |
Manual Focus: | No | Yes |
Viewfinder | ||
Viewfinder: | EVF / LCD | EVF / LCD |
Viewfinder Type: | EVF; 0.2-inch, 200K dot color LCD; Approx. 97% coverage | EVF type; 1.1cm (0.43") 1,152Kdots, 100% coverage, 1.10x mag., 19mm eyepoint, -4 to +4 diopter |
Focus Peaking: | No | No |
EVF Resolution: | ||
Viewfinder Magnification (35mm equivalent): | 0.73x | |
Viewfinder Magnification (nominal/claimed): | 1.10x | |
Display | ||
Eye-level Viewfinder: | Yes | Yes |
Rear Display: | Yes | Yes |
Rear Display Size (inches): | 3.0 | 3.0 |
Rear Display Resolution: | 230,000 dots | 921,600 dots |
Touchscreen: | No | No |
Articulating Screen: | No | Yes |
Tilt Swivel Screen: | No | |
Selfie Screen: | No | |
Max Playback Zoom: | 11.8x | |
Top Deck Display: | No | |
Exposure | ||
Maximum ISO (native): | 12800 | |
Minimum ISO (native): | 100 | |
ISO Settings: | Auto, Auto(400), Auto(800), 64, 100, 200, 400, 800, 1600, 3200*, 6400* (S mode, 3mp or less) | Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (Multi-frame NR mode up to ISO 25600) |
Auto ISO Mode: | Yes | Yes |
White Balance Settings: | Auto, Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm white), Fluorescent light (Cool white), Incandescent light, Custom | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) |
Shutter Speed Range: | 1/2000 - 8 sec | 1/4000 - 30 sec |
Bulb Mode: | No | Yes |
Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
Metering Modes: | 256-zone Multi, Average, 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: | Natural Light, Natural Light & with Flash, Zoom Bracketing, Smile, Portrait, Landscape, Sport, Night, Night(Tripod), Fireworks, Sunset, Snow, Beach, Party, Flower, Text, Motion Panorama | Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night view, Hand-held Twilight, Sweep Panorama (2D/3D) |
Self Timer: | 2 or 10 seconds | 2 or 10 seconds |
Time Lapse (intervalometer): | ||
High Resolution Composite: | No | No |
Flash | ||
Built-in Flash: | Yes | Yes |
Flash Modes: | Auto, Forced, Suppressed, Slow Synchro, Red-eye Reduction Auto, Red-eye Reduction Forced, Red-eye Reduction & Slow Synchro | 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: | ISO 800: Wide : Approx. 40cm - 8.0m / 1.3ft. - 26.2ft.; Telephoto : Approx. 2.5m - 4.4m / 8.2ft. - 14.4 ft. | Lens dependent |
Max Flash Sync: | 1/160 | |
Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | |
External Flash Connection: | n/a | Hot shoe |
Built-In Wireless Flash Control: | Full TTL exposure | |
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: | No | Yes |
Uncompressed Format: | RAW (ARW 2.2), RAW+JPEG | |
Movie File Format: | AVI (Motion JPEG) | AVCHD, MP4 |
Included Memory: | 23.0 MB | |
Included Memory Type: | Internal | |
Connectivity | ||
Built-In Wi-Fi: | No | No |
NFC: | No | |
Bluetooth: | No | No |
Built-In GPS: | No | Yes |
Microphone Jack: | No | Yes |
Headphone Jack: | No | No |
External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
PictBridge Compliant: | No | Yes |
DPOF Compliant: | Yes | Yes |
Remote Control: | Yes | |
Remote Control Type: | Optional Wireless or Wired | |
Connections (extended): | Mini HDMI | Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack |
Performance Timing | ||
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.52 | |
Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.52 | |
Buffer size for RAW shooting in single shot mode (frames): | 28 | |
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
Camera penalizes early shutter press? | No | |
JPEG shooting speed in burst mode (fps, max resolution): | 1.2 | 9.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): | 3 | 32 |
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): | 0.22 seconds | |
Shutter lag (full AF, tele): | ||
Shutter lag (full AF, live view - DSLR): | ||
Shutter lag (prefocused, live view - DSLR): | ||
Shutter Lag (manual focus): | 0.214 seconds | |
Shutter lag (full AF, with flash): | 0.48 seconds | |
Shutter Lag (prefocused): | 0.103 seconds | |
Shutter Lag (notes): | Full AF, wide-area mode = 0.218s | |
Startup Time: | 0.9 seconds | |
Play -> Record Time: | 0.6 seconds | |
Flash cycle time, full power: | 3.7 seconds | |
Power | ||
Battery Life, Stills (CIPA Rating Monitor/Live View): | 500 shots (NiMH AA) | |
Battery Life, Still (CIPA Rating OVF/EVF): | 330 shots | |
Battery Life, Video: | ||
Battery Form Factor: | 4 x AA | Proprietary NP-FW50 |
Usable Battery Types: | Alkaline or Lithium disposable, NiMH rechargeable | Lithium-ion rechargeable |
Batteries Included: | 4 x AA Alkaline disposable | 1 x Proprietary NP-FW50 Lithium-ion rechargeable |
Battery Charger Included (dedicated charger or AC/USB adapter): | No | Yes |
Dedicated Battery Charger Included: | ||
Internal Charging Supported: | ||
Software | ||
Included Software: | CD-ROM | Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) |
OS Compatibility: | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) | |
Miscellaneous | ||
Notes & Features: | Dual Image Stabilization (CCD-shift, High ISO), 720p HD Movies, Smile/Blink Detection, Tracking AF, Smile & Shoot Auto Shutter, Motion Panorama with Auto Stitch, HDMI Output. | SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080i HD Video, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 10fps Burst Mode, Built-in GPS. SLT-A55 is identical but without GPS. |