| Links | ||
|---|---|---|
| Prices: | ||
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Nikon P7100
P7100 vs P7700 |
|
| Successor: |
Nikon P7800
P7700 vs P7800 |
|
| General | ||
| Model Number: | A55 | P7700 |
| Alternate Model Number(s): | SLT-A55 (w/o GPS) | |
| Camera Format: | SLR | Mid-Sized |
| Currently Manufactured: | No | No |
| Retail Price: | $849.99 | $499.95 |
| Street Price: | $733.99 | $429.00 |
| Date Available: | 2010-10-15 | 2012-09-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
25.6 oz
(727 g)
includes batteries, kit lens |
14.0 oz
(397 g)
includes batteries |
| Size: |
4.9 x
3.6 x
3.3 in. (124 x 92 x 85 mm) |
4.7 x
2.9 x
2.0 in. (119 x 73 x 50 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 16.2 | 12.2 |
| Sensor Format: | APS-C | 1/1.7 inch |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 43.32mm2 (7.6mm x 5.7mm) |
| Approximate Pixel Pitch: | 4.82 microns | 1.90 microns |
| Focal Length Multiplier: | 1.5x | n/a |
| Aspect Ratio: | 3:2, 16:9 | 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: | 73 | 53 |
| DxO Color Depth Score (bits): | 23.0 | 21.1 |
| DxO Dynamic Range Score (evs): | 12.4 | 11.7 |
| DxO Maximum Effective ISO Score (iso): | 818 | 191 |
| 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), 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) |
4000 x 3000
(12.0 MP,
4:3), 3984 x 2656 (10.6 MP, 3:2), 3968 x 2232 (8.9 MP, 16:9), 3000 x 3000 (9.0 MP, 1:1), 3264 x 2448 (8.0 MP, 4:3), 2272 x 1704 (3.9 MP, 4:3), 1600 x 1200 (1.9 MP, 4:3), 640 x 480 (0.3 MP, 4:3) |
| Image File Format: | JPEG, RAW (ARW 2.2), RAW+JPEG | JPEG (EXIF 2.3), MPO, 12-bit RAW (.NRW), RAW+JPEG |
| Continuous-mode frames/second: | 9.0 | 8.9 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (60i/50i)
1440x1080 (30/25) 640x480 (30/25) |
1920x1080 (30p/15p)
1280x720 (30p/60p) 640x480 (30p/120p) |
| Movie File Format: | AVCHD, MP4 | MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo) |
| 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 | Zoom-Nikkor ED VR; 13 elements in 10 groups, inc. 2 ED elements |
| Focal Length (35mm equivalent): | 27 - 83mm | 28 - 200mm |
| Focal Length (actual): | 18 - 55mm | 6 - 42.8mm |
| Zoom Ratio: | 3.00x | 7.10x |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - ?? (T) | f/2.0 (wide) / f/4.0 (tele) - f/8.0; 7-blade iris diaphragm |
| Integrated ND Filter: | No | Yes |
| Normal Focus Range: |
50 cm to Infinity 19.7 in to Infinity |
|
| Macro Focus Range: |
2 cm to Infinity 0.8 in to Infinity |
|
| Filter Thread: | 55.0mm | 40.5mm |
| Thread Type: | n/a | On lens |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | Up to 4x |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. | Contrast Detect: Auto (9-area automatic selection), Center, Face priority, Manual with 99 focus areas, Subject tracking |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | EVF / LCD | No / LCD |
| Viewfinder Type: | 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: | n/a | |
| Viewfinder Magnification (35mm equivalent): | 0.73x | |
| Viewfinder Magnification (nominal/claimed): | 1.10x | |
| Display | ||
| Eye-level Viewfinder: | Yes | No |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.0 | 3.0 |
| Rear Display Resolution: | 921,600 dots | 921,600 dots (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | Yes | Yes |
| Tilt Swivel Screen: | Yes | |
| Selfie Screen: | Yes | |
| Max Playback Zoom: | 11.8x | 10.0x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 12800 | 3200 |
| Minimum ISO (native): | 100 | 80 |
| ISO Settings: | Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (Multi-frame NR mode up to ISO 25600) | Auto, Auto (80-200), Auto (80-400), Auto (80-800), 80, 100, 200, 400, 800, 1600; 3200 and Hi 1=6400 (available when using P, S, A or M mode) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) | Auto 1 (Normal), Auto 2 (Warm), Cloudy, Daylight, Fluorescent (1/2/3), Incandescent, Cloudy, Flash, Manual (3 presets), Fine Tune By Kelvin Color Temperature Setting |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/4000 - 60 sec |
| Bulb Mode: | Yes | No |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 3.0EV in 0.3EV steps |
| Metering Modes: | 1200-zone Evaluative, Center-weighted, Spot | 224-segment Matrix, Center-Weighted, Spot; metering can be focus-coupled |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night view, Hand-held Twilight, Sweep Panorama (2D/3D) | Portrait, Landscape, Sports, Night portrait, Party/indoor, Beach, Snow, Sunset, Dusk/dawn, Night landscape, Close-up, Food, Museum, Fireworks show, Black and white copy, Backlighting, Panorama, Pet portrait, 3D photography; plus Special effects (Creative monochrome, Painting, Zoom exposure, Defocus during exposure, Cross process, Soft, Nostalgic sepia, High key, Low key, Selective color), HDR, Active D-Lighting |
| Self Timer: | 2 or 10 seconds | 10 or 2 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, Auto with red-eye reduction, Fill flash, Manual (1/64 - full power), Slow sync, Rear curtain sync, Commander |
| Flash Guide Number (ISO 100): | 10.0 m / 32.8 ft. | n/a |
| Flash Range Description: | Lens dependent | Auto ISO: [W]: 0.5 to 10m (1ft. 8 in. to 32 ft.); [T]: 0.5 to 5.5m (1ft. 8 in. to 18ft.) |
| Max Flash Sync: | 1/160 | 1/4000 |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | +/- 2.0 EV in 0.3EV steps |
| External Flash Connection: | Hot shoe | Hot Shoe (iTTL) |
| Built-In Wireless Flash Control: | Full TTL exposure | Full TTL exposure |
| 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 | Yes |
| Uncompressed Format: | RAW (ARW 2.2), RAW+JPEG | 12-bit RAW (.NRW), RAW+JPEG |
| Movie File Format: | AVCHD, MP4 | MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo) |
| Included Memory: | 86.0 MB | |
| Included Memory Type: | Internal | |
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | |
| Bluetooth: | No | No |
| Built-In GPS: | Yes | No |
| Microphone Jack: | Yes | Yes |
| 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: | Optional Wireless or Wired | Optional IR or wired remote |
| Connections (extended): | Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack | Mini HDMI, 3.5mm Stereo Microphone Jack, Accessory Port |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.52 | 1.51 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.52 | 3.25 |
| Buffer size for RAW shooting in single shot mode (frames): | 28 | Unlimited |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 3.56 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 9.0 | 8.9 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 32 | 6 |
| RAW shooting speed in burst mode (fps): | 8.8 | |
| Buffer size for RAW shooting in burst mode (frames): | 6 | |
| RAW+JPEG shooting speed in burst mode (fps): | 8.9 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 6 | |
| Shutter lag (full AF, wide/mid): | 0.22 seconds | 0.42 seconds |
| Shutter lag (full AF, tele): | 0.53 seconds | |
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.214 seconds | 0.341 seconds |
| Shutter lag (full AF, with flash): | 0.48 seconds | 0.49 seconds |
| Shutter Lag (prefocused): | 0.103 seconds | 0.139 seconds |
| Shutter Lag (notes): | Full AF, wide-area mode = 0.218s | |
| Startup Time: | 0.9 seconds | 1.8 seconds |
| Play -> Record Time: | 0.6 seconds | 2.1 seconds |
| Flash cycle time, full power: | 3.7 seconds | 3.4 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 330 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 330 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary NP-FW50 | Proprietary EN-EL14 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary NP-FW50 Lithium-ion rechargeable | 1 x Proprietary EN-EL14 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: | Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) | Nikon ViewNX 2 CD-ROM |
| OS Compatibility: | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) | |
| Miscellaneous | ||
| Notes & Features: | 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. | Fast f/2-4 lens, Optical Image Stabilization, Full HD movies using Auto, Manual, Aperture-priority or Custom movie mode, compatible with GP-1 GPS unit and ME-1 external stereo microphone, magnesium alloy body. |
