Sony SLT Alpha A55 specifications
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| Price (with 18-55 mm kit lens) | • US: $749 • EU: €850 |
| Body material | Plastic |
| Sensor | • APS-C "Exmor" HD CMOS • 16.7 million total pixels • 16.2 million effective pixels • RGB (Primary) color filter array |
| Image sizes | • 4912 x 3264 (3:2) • 3568 x 2368 (3:2) • 2448 x 1624 (3:2) • 4912 x 2760 (16:9) • 3568 x 2000 (16:9) • 2448 x 1376 (16:9) |
| Image sizes (Video) | • AVCHD: • 1920 x 1080, 59.94i (from 29.97fps sensor output) • MP4: • 1440 x 1080, 29.97p or 25p, depending on region • 640 x 480, 29.94 fps |
| Aspect ratios | • 3:2 • 16:9 • variable (Sweep Panorama) |
| File formats | • RAW • RAW + JPEG • RAW + JPEG Fine • JPEG (EXIF 2.2) - Standard • JPEG (EXIF 2.2) - Fine |
| File formats (Movie) | • AVCHD Ver. 1.0 compliant Video: MPEG-4 AVC/H.264 • MPEG-4 AVC/H.264 |
| Lenses | • Sony A-mount • Konica-Minolta AF mount |
| Focus modes | • Auto Focus (15-point phase-detection AF system) • Manual focus • Face Detection • AF Tracking |
| AF assist lamp | Yes, dedicated lamp |
| Image stabilization | Super SteadyShot INSIDE |
| Extended optical zoom | N/A |
| Digital zoom | N/A |
| Exposure modes | • Program AE • Aperture priority AE • Shutter priority AE • Manual • Auto • Auto + • High-speed mode (10-fps) • Sweep Panorama (2D/3D) • SCN (see below) • Flash off |
| Scene modes | • Portrait • Sports Action • Macro • Landscape • Sunset • Night view • Hand held Twilight • Night portrait |
| Scene modes (movie) | • Portrait • Sports Action • Macro • Landscape • Sunset • Night view • Hand held Twilight • Night portrait |
| Sensitivity | • Auto • Intelligent ISO • ISO 100 • ISO 200 • ISO 400 • ISO 800 • ISO 1600 • ISO 3200 • ISO 6400 • ISO 12800 • ISO 25600 (multi-shot NR mode - JPEG only) |
| ISO steps | 1/3 or 1.0 EV |
| Metering range | -2 to 17 EV |
| Metering modes | • 1200-zone multi-segment • Center-Weighted • Spot |
| AE Lock | • AEL/AFL button • With shutter release half-press |
| AE Bracketing | • 3 frames • in 1/3 or 2/3 |
| Exposure compensation | • -2 to +2 EV • 1/3 EV steps |
| Shutter speed | • 60 -1/4000 sec. • Bulb • Flash X-sync 1/160 sec |
| White balance | • Auto • Daylight • Shade • Cloudy • Incandescent • Fluorescent • Flash • Kelvin temp (2500 - 9900K, 100K steps) |
| WB fine tuning | Yes (magenta/green bias) |
| WB Bracketing | N/A |
| Color space | • sRGB • Adobe RGB |
| Image parameters | • Creative Style (Standard, Vivid, Portrait, Landscape, Sunset, B/W) • Saturation (5 levels) • Contrast (5 levels) • Saturation (5 levels) • Sharpness (5 levels) |
| Drive modes | • Single • Continuous Hi (6 fps) • Continuous Lo (3 fps) • 10 fps via high-speed mode |
| Continuous buffer | • 35 JPEG Fine images • 39 JPEG Std images • 20 RAW images • 20 RAW+JPEG images |
| Self-timer | • 2 sec • 10 sec |
| Flash | • Manual pop-up • TTL auto / manual • Guide no. 10 (ISO 100) • Sync modes: Auto, Fill flash, Slow sync, Rear-curtain sync, Red-eye reduction on/off, Wireless • Flash exposure compensation: Up to +/- 2EV in 1/3 EV steps |
| Flash X-sync speed | 1/160 sec |
| External flash | • Hot shoe |
| Viewfinder | • Electronic Viewfinder • Color LCD Viewfinder • Field of view 100% • Eye point 19mm • Magnification 1.1x • Dioptre adjustment -4 to +4 dioptre • 1,440,000 dots (of which 1,152,000 are used) • Field Sequential (RGB) |
| DOF preview | Yes |
| Orientation sensor | Yes |
| LCD monitor | • 3.0" TFT LCD monitor • Multi-angle swing and tilt (180°swing, 180° swivel)* • Low temperature Polycrystalline TFT LCD • 921,600 dots • Approx 100% frame coverage • Auto / Manual (5 steps between -2 and +2) / Sunny Weather |
| Playback functions | • Single (with or without shooting information • RGB histogram & highlight/shadow warning) • 6/12-frame index view • Enlarged display mode (L: 11.8x, M: 8.8x, S: 6x) • Image orientation (On/Off selectable) • Slideshow • Panorama scrolling • Auto Review (10/5/2 sec Off selectable) • Folder selectable (still image) • Slow-forward (movie) • fast-forward/fast-rewind (movie) |
| Connectivity | • USB 2.0 (High Speed) • HDMI type C |
| Print compliance | • Exif Print • Print Image Matching III • DPOF setting |
| Storage | SD/SDHC/SDXC/MemoryStick Pro Duo |
| Power | • NP-FW50 Lithium-Ion rechargeable battery • Supplied charger / AC adapter (sold separately) |
| Dimensions | 124 x 92 x 85 mm (4.8 x 3.6 x 3.3 in) |
| Weight (camera body) | Approx. 441g (0.97lb) |
| Weight (camera body, card and battery) | Approx. 500g (1.1lb) |
