Digital SLT 24.3 Mega Pixel Camera
Model: SLTA77VB
With the worlds fastest continuous shooting speed at 12fps (as of August 2011), SLT-A77 delivers astounding image quality at an ultra-high 24.3MP. Thanks to Sonys revolutionary Translucent Mirror technology, now you can enjoy unrivalled performance even while shooting Full HD movies.
- 24.3MP "Exmor" APS HD CMOS Sensor
- 12 fps Continuous Shooting at 24.3MP
- XGA OLED Tru-Finder with 100% Frame Coverage
- AVCHD Ver. 2.0 (Progressive) Full HD Video Recording at 50p
- Flexible 3-way Tilting Xtra Fine LCD with TruBlack Technology
- 19-point AF System with 11 Cross Sensors
Overview
Beat Time With The World's Fastest Camera
Capture every moment at a record-breaking 12fps continuous shooting speed
Enjoy unrivalled professional quality
Discover more about Translucent Mirror Technology™
Experience the world's fastest shooting speed
Shoot up to 12 images at full resolution per second
Astounding detail, stunning images
Capture every detail in ultra-high 24.3MP resolution
A clearer view, every time
Focusing made easy with Full-time continuous AF
Stay sharp, stay focused
Focusing made easy with Full-time continuous AFSee more with the world's first XGA OLED viewfinder
Record movies of the highest quality
Shoot exceptional Full HD movies in AVCHD Ver.2.0 format
Translucent Mirror Technology™
Enjoy unrivalled professional quality
Sony a77 is set to revolutionise interchangeable-lens photography with Sony's groundbreaking Translucent Mirror Technology. Unlike other DSLR cameras, Sony a77 simultaneously directs light toward the autofocus sensor and image sensor. This enables leading continuous shooting speed and accelerated full-time continuous phase-detection autofocusing even while shooting Full HD movies. It also results in smooth uninterrupted live-viewing on the finder and rear monitor during single shot, continuous and movie shooting.
12 fps Continuous Shooting
Experience the world's fastest* shooting speed
Imagine capturing up to 12 images at full 24.3-megapixel** resolution &ndash all in a second. With the world's fastest* continuous shooting speed with accelerated full-time continuous phase-detection autofocusing, a77 is able to achieve unsurpassable image precision and clarity. All thanks to Sony's Translucent Mirror Technology, this remarkable SLT camera ensures you'll capture every dramatic moment effortlessly, with professional quality results every time.
Among interchangeable-lens cameras with an APS-C sensor as of August 2011.
Effective pixels (approx.)
Notes: Continuous shooting speed may be slower dependingon shooting conditions. In Continuous Priority AE Mode, the aperture is fixed at F3.5 or the maximum aperture of the lens, whichever is smaller. Continuous shooting speed (fps) lowers when high ISO NR function is On.
24.3-megapixel Exmor™ APS HD CMOS Sensor
Astounding detail, stunning images
With Sony's new proprietary Exmor™ APS HD CMOS sensor (APS-C size), you'll get stunning high quality images full of detail at an ultra-high 24.3-megapixel* resolution. In addition, an extra-large sensor size increases sensitivity in low-light conditions and strengthens background defocusing effects. So you can add depth and drama to virtually any scene with ease.
Full-time Continuous AF
Stay sharp, stay focused
Keeping your subject sharply focused at all times is easy with accelerated full-time continuous phase detection auto focusing. Even sports action and fleeting facial expressions can be captured at maximum continuous shooting speed and during live-view movie shooting. Thanks to Sony's Translucent Mirror Technology, staying focused on dramatic moments in all types of situations is a snap!
World's First XGA OLED Viewfinder
A clearer view every time
See a clearer perspective under any type of lighting condition. With the world's first* XGA OLED Tru-Finder from Sony, you can view your scenes with incredible contrast, clarity and colour accuracy. Unlike optical viewfinders that are hard to view in dark or bright sunlight situations, Sony's revolutionary viewfinder automatically adjusts the scenes to make viewing easy on your eyes.
Among interchangeable-lens camera with APS-C size sensors as of August 2011.
AVCHD Ver. 2.0 (Progressive) Full HD 60p Movies - a World First
Record movies of the highest quality
For the ultimate in smooth movie playback, you can capture Full HD movies at 60p* using the new AVCHD Ver.2.0 (Progressive) format. Or if you like, you can shoot at 24p* for a more cinematic look and feel. All it takes is a touch of the movie button to record beautiful 1920 x 1080 pixel movie footage. What's more, with Sony's Translucent Mirror
* 50p / 25p for PAL
** Among interchangeable-lens cameras with an APS-C sensor as of August 2011.
World's First 3-way Tiltable LCD
Where comfort meets shooting flexibility
A world's first*, the 3-way tilting design lets you tilt and swivel the new LCD monitor to the most natural possible viewing angle, whether you're shooting horizontally or vertically. Even when using a tripod, the extra flexible adjustment easily supports everything from extremely low to extremely high camera shooting angles. In addition, you can be sure of getting outstanding performance in almost any kind of lighting condition from this 3.0-type (7.5 cm) Xtra Fine LCD monitor with crisp 921,600-dot resolution (approx.) and TruBlack technology.
Approx. 0.05 sec. Minimum Release Time Lag
The accelerated shutter response reduces shutter noise and vibration, letting you capture decisive moments with confidence.
19-point AF System With 11 Cross Sensors
This system increases your framing freedom, keeps moving subjects in focus and offers more accurate and reliable tracking.
Tracking Focus
Tracking Focus enables you to track your subject's every move with speed and precision.
Easy Operation Even During Manual Focusing
Enjoy easy switching between autofocusing and manual focusing . Get up to 11.7x magnification at the press of a button.
BIONZ™ Image Processing Engine
Raw data captured by the Exmor CMOS image sensor becomes beautiful images with Sony's lightning-fast BIONZ.
High Sensitivity With ISO 100-16000
Virtually any lighting conditions can be mastered with the extremely high ISO sensitivity and wide-ranging settings.
SteadyShot™ INSIDE Image Stabilisation
Minimises camera-shake blur during handheld shooting and provides effective image stabilisation for any mounted A-mount system.
New Lens Shading and Aberration Compensation
Automatically compensates for the shading and aberration characteristics of the lens you mount to ensure optimal shooting results.
Shooting interval may be longer depending on the shooting conditions
Enhanced Picture Effect
Express your creativity with 11 Picture Effect modes (up to 15 effects) including new ones like HDR Painting, Rich Tone Monochrome, Soft Focus and Miniature.
Heightened Creative Potential
Use Creative Styles and Picture Effect to enhance the mood or transform the look of your movies.
Interchangeable Lens Freedom
Enjoy greater movie making freedom with interchangeable lenses. Choose the lens that brings out the moment most effectively.
One-Touch Movie Access
Whenever a movie making opportunity arises, switch instantly to movie recording mode with one press of the Movie button.
Full Manual Movie Shooting
Express your creative vision with full manual operation. Adjust background blur and control exposure to achieve the brightness and dynamism you desire.
Audio Noise Reduction
A high-performance stereo microphone on the mirror housing and advanced noise reduction effectively suppress AF lens drive noise.
Specifications:
| Camera Type |
Interchangeable lens digital camera with built-in flash |
| Lens Used |
Sony A-mount lens, Minolta and Konica Minolta AF lenses |
| Sensor |
23.5 x 15.6mm (APS-C type), Exmor APS HD CMOS sensor with RGB primary colour filter |
| No. of Pixels |
Total: 24.7 megapixels; Effective: 24.3 megapixels |
| Dust Reduction |
Charge protection coating on low pass filter and image-sensor shift mechanism |
| Sensitivity |
ISO 100 to 16000 equivalent (expandable to ISO 50), AUTO (ISO 100 to 12800 selectable with upper or lower limit) |
| Recording Media |
Memory Stick Pro Duo, Memory Stick PRO-HG Duo, SD Memory card, SDHC Memory card, SDXC Memory card |
| File Format |
JPEG (DCF2.0, Exif 2.3), RAW (ARW 2.3 format), RAW + JPEG, 3D still image MPO |
| Image Size (Aspect ratio 3:2) |
L(24M): 6,000 x 4,000; M(12M): 4,240 x 2,832; S(6M): 3,008 x 2,000 |
| Image Size (Aspect ratio 16:9) |
L(20M): 6,000 x 3,376; M(10M): 4,240 x 2,400; S(5.1M): 3,008 x 1,688 |
| Sweep Panorama (Wide) |
Horizontal(23M): 12,416 x 1,856; Vertical(12M): 2,160 x 5,536 |
| Sweep Panorama (Standard) |
Horizontal(15M): 8,192 x 1,856; Vertical(8.4M): 2,160 x 3,872 |
| 3D Sweep Panorama (Wide) |
(7.7 M): 7,152 x 1,080 |
| 3D Sweep Panorama (Standard) |
(5.3 M): 4,912 x 1,080; 16:9 (2.1 M): 1,920 x 1,080 |
| Colour Modes |
sRGB, Adobe RGB |
| Image Quality Modes |
Standard, Fine, Extra Fine, RAW, RAW+JPEG |
| Noise Reduction |
Long Exposure: Available at shutter speeds longer than 1 sec. High ISO: High / Normal / Low |
| Picture Effect |
Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R, G, B, Y), Soft High-key, High Contrast Monochrome, Toy Camera, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature |
| Creative Style |
Standard, Vivid, Neutral, Clear, Deep, Light, Portrait, Landscape, Sunset, Night Scene, Autumn Leaves, B/W, Sepia, Saturation, Sharpness |
| Auto HDR |
Auto Exposure Diff., Adjustable Exposure Diff. (1 - 6EV in 1EV steps) |
| D-Range Optimizer |
Off / Auto |
| Recording Format |
AVCHD / MP4 |
| Image Size (AVCHD) |
1920 x 1080 (50p/28Mbps/PS, 50i/24Mbps/FX, 50i/17Mbps/FH, 25p/24Mbps/FX, 25p/17Mbps/FH) |
| Image Size (MP4) |
1,440 x 1,080 (25 fps / Average bit rate 12 Mbps), 640 x 480 (25 fps / Average bit rate 3 Mbps) |
| Setting |
Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm White, Cool White, Day White), Flash, C. Temp 2500 to 9900k with 15-step, C. Filter (G7 to M7, A7 to B7), Custom, AWB micro adjustment
|
SteadyShot INSIDE (Image Stabilization)
| System |
Image-sensor shift mechanism |
| Compensation |
Approx. 2.5 - 4.5 EV decrease in shutter speed (varies according to conditions and lens used) |
| LCD Monitor |
3.0-inch (100% field of view), 921,600-dot TFT, Xtra Fine LCD with TruBlack technology |
| Focus Modes |
Single-shot AF, Auto AF, Continuous AF, Manual Focus |
| Main Features |
Focus areas selection (wide area / 19-point local frame selection / fixed centre spot focus), predictive focus for moving subjects, auto-tracking focus point, focus lock |
| Type |
TTL phase-detection system |
| Sensitivity Range |
-1EV - 18EV, ISO 100 equivalent |
| AF Illuminator |
Range: 1 - 7m |
| Exposure Modes |
AUTO, AUTO Advanced (AUTO+), Scene Selection, Sweep Panorama (2D/3D), Tele-zoom Continuous Advance Priority AE, Movie, Program AE, Aperture priority, Shutter-speed priority, Manual |
| Scene Selector |
Portrait, Landscape, Macro, Sports, Sunset, Night view / Night portrait, Hand-held Twilight |
| Metering Type |
1200-zone evaluative metering |
| Metering Sensor |
Exmor APS HD CMOS sensor |
| Metering Range |
2EV - 17EV, ISO 100 equivalent with F1.4 lens |
| Exposure Compensation |
+/- 5EV (1/3 EV, 1/2 EV increments selectable) |
| Type |
Built-in Auto Pop-up |
| Flash Metering and Control |
ADI/ Pre- flash TTL / Manual flash |
| Flash Coverage |
16mm (focal length printed on lens) |
| Flash Modes |
Auto (Flash-off), Auto, Fill flash, Red-eye reduction, Rear Sync, Slow sync, High-speed sync*, Wireless* *Requires compatible external flash |
| Guide Number |
GN 12 (in meters at ISO 100) |
| Flash Compensation |
+/- 3EV (1/3 EV, 1/2 EV increments switchable) |
| Recycling Time |
Approx. 3 seconds |
| Type |
Electronically-controlled, vertical-traverse, focal-plane shutter |
| Speed Range |
1/8000 sec. - 30 sec., bulb |
| Flash Sync Speed |
1/250 sec |
| Type |
Electronic viewfinder (color) |
| Magnification |
1.09x (with 50mm lens at infinity) |
| Eye Relief |
Approx. 27mm from the eyepiece lens, 22mm from the eyepiece frame (CIPA Standard) |
| Diopter Control |
-4.0 to +3.0m |
| Exposure Bracketing |
3/5 continuous exposures selectable, in 0.3/0.5/0.7/2.0*/3.0* increment. *limited to 3 frames |
| White Balance Bracketing |
3 frames, H/L selectable |
| Continuous Shooting Rate |
Up to 12 fps in Tele-zoom Continuous Advance Priority AE mode, Up to 8 fps in Continuous mode |
| Continuous Shooting Limit |
Extra Fine: 13 frames, Fine: 18 frames, Standard: 18 frames, RAW: 13 frames, RAW+JPEG: 11 frames (Fine: 17 frames, Standard: 17 frames on Tele-zoom Continuous Advance Priority AE mode) |
| Self-timer |
10 sec., 2 sec. |
| Printing Output Control |
Exif Print, Print Image Matching III, DPOF setting |
| Battery |
Rechargeable battery pack NP-FM500H |
| External Power Source |
AC adaptor - AC-PW10AM (optional) |
| Battery Performance |
Approx. 470 shots(EVF) / Approx. 530 shots(LCD) (CIPA measurement) |
| PC Interface |
USB2.0 Hi-Speed (mass storage mode / MTP mode) |
| HDMI Out |
HDMI mini connector |
| Dimensions (W x H x D) |
Approx. 142.6 x 104.0 x 80.9mm (excl. protrusions) |
| Weight |
Approx. 653g (not including battery, memory card or accessories) |


