by Zak Billmeier
Sony's Alpha line of digital SLRs employ a translucent mirror instead of the traditional flipping mirror, letting you shoot faster than ever.
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Crutchfield: Sony Alpha A-Mount Cameras
From Sony: A77
From Sony: Alpha SLT-A77
From Sony: SLT-A77 Product Tour
From Sony: Tru-Finder
Item # 158A77VQ | MFR # SLTA77VQ
This item is no longer available.
Head of its class
When Translucent Mirror Technology cameras first came on the scene, everyone wondered when Sony would push the professional DSLR world's horizons outward. Wait no more. The new SLT-A77 sets performance benchmarks that throw down the gauntlet for every other camera in its class. From a newly designed 24.3-megapixel CMOS sensor, to the revolutionary OLED (Organic LED) electronic viewfinder, this camera's specs have exceeded enthusiasts' expectations. It's the first camera to be able to grab a burst of 24-megapixel images, at 12 frames per second, with full-time auto-focus. And it shoots full HD, 1080 lines at 60 frames per second, with a new high-data format for gorgeous, smooth and detailed video.
All of this technology has the effect of making this camera a bit of a mind reader. It has the responsiveness to be ready for the shot you didn't know you were going to shoot a second ago. And that's the difference between a photo (or video) for the ages, or a missed opportunity. Plus, you'll be ready for any angle from low, to high, to just plain unconventional with the 'A77's new, three-axis articulated LCD screen.
The quiet, efficient type
The included 16-50mm lens is a quiet, sleek work of optical art. With a 3X range, it makes a great everyday go-to lens, and at its maximum zoom it makes an excellent portrait lens. Three Extra-low Dispersion elements and aspherical glass give it superior clarity and color fidelity at all focal lengths. It's sealed against the effects of dust and moisture. Plus, the large, fast f/2.8 lens will open more creative doors by shortening the depth-of-field. Your closeups will pop against the smooth background blurs generated by the wide, circular aperture.
You won't even think about it
There's dozens of other in-demand creative options: A wide ISO range for settings versatility in any light, a 19-point auto-focus with 11 cross-type sensors that track speedy and unpredictable subjects with ease, and a Picture effect menu with filters like "Toy Camera" to spark your imagination, among others. All this adds up to a camera that reacts at the speed of your every creative thought.
|LCD Screen Size||3"|
|Lens 35mm Equivalent||24-75mm|
Memory Stick PRO Duo + PRO-HG Duo
|Sensor Size||23.5 x 15.6mm CMOS|
|Image Stabilization||Sensor Shift|
|Highest Resolution||6000 x 4000|
|Video Resolution||1920 x 1080, 1440 x 1080|
|Weight With Battery (ounces)||46.2|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Zoom Lens Kit: The Sony SLT-A77VQ α (alpha series) DSLR camera kit contains the SLT-A77V camera body, and the SAL1650 DT 16-50mm F2.8 SSM 3.1x zoom lens, along with a rechargeable battery, adjustable neck strap, USB cable, and software on CD-ROM. The camera is compatible with Sony A-mount lenses. Operation with Minolta/Konica and Minolta lenses has also been confirmed.
Translucent Mirror Technology: The A77V features Translucent Mirror Technology, which directs light to both the image sensor and the Phase Detection AF sensor simultaneously. This allows the camera to focus and capture the image at the same time. Since the mirror never moves, the time needed to raise and lower the mirror is eliminated.
Tiltable 3" LCD Screen: The A77V uses a 3" TFT Xtra Fine LCD screen with 921,600 dots. The TruBlack screen has a special resin layer to suppress internal reflections to increase contrast. The brighness of the LCD monitor is automatically adjusted to surrounding lighting conditions for best visibility. The LCD monitor can be tilted upward 150°, downward 180° and rotated 270° for best visibility when shooting at difficult angles.
0.5" OLED Electronic Viewfinder: The 0.5" OLED electronic color viewfinder has 2,359,296 dots, and provides approximately 100% field of view. The brightness can be manually or automatically adjusted in 3 steps. The built-in diopter lets you adjust the viewfinder image to your individual eyesight. If you're using the electronic viewfinder to frame your shots, the LCD turns off automatically when you bring the camera up to your eyes.
Display Options: You can choose how much information appears in the viewfinder and LCD monitor. There are four options: Display all information, No display information, Digital Level Gauge, and Histogram. The digital level gauge indicates whether the camera is level in both horizontal and front-back directions. The indicators turn green when the camera is level in one of the directions. The histogram displays the luminance distribution that shows how many pixels of a particular brightness exist in the picture.
Live View: The A77V's Live View lets you use the LCD screen and Electronic Viewfinder to frame your photos as you shoot. The Live View image will provide an accurate preview of your photo, including the white balance, focus, depth of field, exposure, and framing. In addition, the on-screen displays will keep you informed on all your settings and recording information.
Image Sensor: The SLT-A77V features an APS-C-sized Exmor HD CMOS image sensor (23.5 x 15.6mm). It has approximately 24.7-million total pixels and 24.3-million effective pixels.
Top-mounted LCD: The camera features a top-mounted monochrome LCD panel which provides exposure information, battery status, and other shooting information. The display panel has a switchable backlight for better visibility in low light.
Still Image Recording Formats: Still images are recorded in JPEG file format in Standard, Fine, and Extra Fine compression rates. You can choose to shoot in 3:2 or 16:9 aspect ratio, and in large, medium, and small image sizes. You can also record still images using the RAW format, which is uncompressed with no processing performed in the camera. RAW images must be transferred to a computer for processing, editing, and printing using the supplied Image Data Converter SR software. You can select the following image sizes:
Panorama Photos: The 3D Sweep Panorama mode lets you record panoramic images by holding down the shutter button as you pan across the scene. Panoramic photos can be taken in 3D or Standard in several different resolution settings:
Movie Recording Formats: The A77V can record 16:9 Full High Definition movies in AVCHD 2.0 Progressive with MPEG-4 AVC/H.264 video and 2-channel Dolby Digital audio. Movies can also be recorded in MP4 mode with MPEG-4 AVC/H.264 video and MPEG-4 AAC-LC 2-channel audio. You can select from the following bit rates/image quality:
|File Format||Average Bit Rate||Resolution|
|AVCHD 60i 24M (FX)||24 Mbps||1920 x 1080 (60i)|
|AVCHD 60i 17M (FH)||17 Mbps||1920 x 1080 (60i)|
|AVCHD 60p 28M (PS)||28 Mbps||1920 x 1080 (60p)|
|AVCHD 24p 24M (FX)||24 Mbps||1920 x 1080 (24p)|
|AVCHD 24p 17M (FH)||17 Mbps||1920 x 1080 (24p)|
|MP4 1440 x 1080||12 Mbps||1440 x 1080|
|MP4 VGA 3M||3 Mbps||640 x 480|
Dual Media Options: The A77V camera accepts two types of media for capturing still images: Memory Stick PRO Duo (including Memory Stick PRO-HG Duo), and SD, SDHC, and SDXC Memory Cards. The maximum number of images that can be recorded on a memory card formatted with this camera varies slightly between the two types of media.
SteadyShot INSIDE In-Camera Image Stabilization: The SteadyShot INSIDE in-camera image stabilizer shifts the image sensor to compensate for camera shake without sacrificing image quality. The compensation effect is equal to 2.5 to 3.5 shutter speed steps, giving you more creative freedom when shooting in low light. And, because it is integrated into the camera body, SteadyShot INSIDE technology works with all compatible α (alpha) system lenses.
Eye-Start Auto Focus: The camera features the Eye-Start Auto Focus system, which begins precision auto focus adjustments the moment you raise the camera to your eye. This feature can be turned off in the menu, if desired.
19-Point AF System: The A77V's high-performance auto focus system uses 19 focus points to deliver fast and precise focusing. It has a predictive focus control to automatically calculate the position of fast-moving subjects. You can choose from the following Auto/Manual Focus Modes:
Face Detection/Smile Shutter: The camera can detect human faces, and adjusts the focus, exposure, performs image processing and adjusts flash settings for best results. Faces can be registered, and priority given to those faces over others in the frame. Up to 8 faces can be detected and/or registered. When the Smile Shutter feature is enabled, the camera will automatically release the shutter when a slight, normal, or big smile is detected.
Focus Lock: If a subject is off-center and outside of the AF area, you can lock the focus of the camera.
AF Illuminator: When you press the shutter button halfway down a red illuminator is emitted until the focus is locked. Under dark lighting conditions or when you shoot a low contrast subject, the AF illuminator allows the camera to focus more easily on the subject. The AF illuminator has a range of approximately 3.3 to 23 feet.
Drive Modes: The camera offers the following shooting modes:
Exposure Modes: The camera offers the following exposure recording modes:
Exposure Compensation: Exposure compensation is used to alter the camera's standard exposure setting. You can make the image look lighter (increased exposure) or darker (decreased exposure). The exposure compensation amount can be set up to +/-5.0 EV in 1/3-step or 1/2-step increments.
AE Lock: You can fix the exposure before deciding on the composition when taking a picture. This is effective when the metering object and focusing object are different or when you want to shoot continuously while keep the same exposure value.
Metering Mode: A 1200-zone evaluative sensing system provides multi-pattern measuring for superior exposure control accuracy in a wide range of lighting conditions. You can select the method for measuring the brightness of a subject from the following three methods:
White Balance: You can adjust the color tones according to the lighting conditions. You can choose from the following WB options, and adjust the +/- 3 to fine tune the colors:
Color Temperature/Color Filter: You can adjust the white balance further by selecting Color Temperature or Color Filter in the Custom White Balance option. With Color Temperature, the higher the number, the more reddish the image, and the lower the number, the more bluish the image. Color Filter achieves the effect of Color Compensation filters for photography. Based on the set color temperature as the standard, the color can be compensated to Green (G) or Magenta (M).
Image Processing (Creative Style): This camera is pre-programmed with image styles optimal for various scenes and purposes. For each setting, you can adjust the contrast, saturation, and sharpness. You can choose from the following settings: Standard, Vivid, Neutral, Clear, Deep, Light, Portrait, Landscape, Sunset, Night Scene, Autumn Leaves, B & W, and Sepia.
Picture Effect: You can select the desired effect filter to achieve more impressive and artistic expression. There are several Picture Effect options, including Toy Camera, Pop Color, Posterization, Retro Photo, Soft High-key, Partial Color, High Contrast Mono, Soft Focus, HDR Painting, Rich-tone Mono, and Miniature.
ISO Settings: ISO is a unit of measurement of sensitivity to light. The larger the number, the higher the sensitivity. The camera's ISO can be set manually or automatically, depending upon the exposure mode:
Built-in Flash: In a dark location, using the built-in flash, or optional flash, allows you to shoot the subject brightly, and it also helps prevent blurred photos due to camera shake. The SLT-A77V features a pop-up flash, and an accessory shoe for attaching an optional external flash. The range of the built-in flash depends on the ISO sensitivity and aperture value. The A77V offers the following flash modes:
Noise Reduction: The camera offers Long Exposure and High ISO Noise Reduction (NR) to automatically reduce the grainy noise found in photos during long exposures or high ISO settings.
Anti-Dust Technology: Changing lenses in a DSLR can allow dust to enter the camera. To help keep the image sensor cleaner for better pictures, the A77V utilizes a static-free anti-dust coating on the imager's filter. The camera also has a cleaning function which vibrates the image sensor for a short time to knock off any dust that may have settled on the imager.
Built-in GPS: The camera has a built-in GPS receiver that can obtain location information from overhead Global Positioning Satellites. This information is recorded in the images and movies shot at that location. Using the supplied "PMB" software, you can import images with location information to your computer and enjoy viewing them with a map which shows their shooting location.
Optics: The Sony DT 16-50mm F2.8 SSM lens (SAL1650) is compatible with Sony α-series (Alpha) DSLR cameras. The DT lens is a compact, lightweight lens, designed specifically for the APS-size CCD imager used in most Sony α-series cameras. The lens employs a Super Sonic wave Motor (SSM), a high-torque, high response motor, to provide quick, quiet, and more precise auto-focusing. The lens includes the ALC-SH117 lens hood to reduce flare.
Zooming: The lens allows you to rotate the zooming ring to set the desired focal length. The 16-50mm lens features a 3.1x optical zoom. The lens has a zoom lock switch to prevent the lens barrel from extending due to the weight of the lens while it is carried.
Focusing: The lens can be used in the auto-focus or manual focus mode. You can switch between focusing modes using the 2-way switch on the lens barrel. Direct Manual Focus (DMF) allows you to rotate the focusing ring to set the proper focus, even when the camera is in Automatic Auto Focus (AF-A) or Single shot Auto Focus (AF-S).
Dimensions: The lens has the following dimensions: Diameter=3.177", Length=3.764" to 4.831" (without lens caps).
Playback Options: You can view images on the LCD monitor with 3 options: with recording data displayed, without recording data, or histogram display. A histogram is the luminance distribution that shows how many pixels of a particular brightness exists in a picture. The histogram display of this camera shows the brightness on the horizontal axis (left side is black, right side is white) and the number of pixels on the vertical axis.
Auto Review: After an image is recorded, you can have the camera automatically display it on the LCD monitor for two, five or 10 seconds. You can also turn off auto review.
Image Rotation: Vertical shots can be rotated automatically so that they are displayed upright during playback. This can be done manually or automatically.
Playback Screen: You can view your photos back as a single image on the LCD monitor, as an Index or as a Slide Show . During Index View mode, you can view 4 or 9 images at once. You can adjust the Slide Show mode interval from 1, 3, 5, 10, or 30 seconds.
D-Range Optimizer/Auto HDR: The camera allows you to correct the brightness and contrast of an image automatically, using the D-Range Optimizer (DRO) and Auto High Dynamic Range functions. The DRO optimizes the gradations of a recorded image in each area of the image; you select the optimal level from Lv1 (weak) and Lv5 (strong). When Auto HDR is selected, the camera shoots three images with different exposures, then overlays them to create one image with the correct exposure and an overlaid image.
Image Enlargement: During single image playback you can enlarge an entire image or a select area of an image from 1.1 to 13.6x depending upon the image size. Small images can be enlarged up to 6.8x, Medium images to 9.9x, and Large images up to 13.6x. Once you have enlarged the image, you can pan around the image to view the desired portion.
Rotating Images: Images can be rotated counter-clockwise 360-degrees on the camera's LCD monitor during single image playback.
Protect Images: You can protect all images on your memory card or select only certain images to be protected from accidental erasure.
HDMI Output: The SLT-A77V provides direct mini-HDMI output to your HDTV screen, so you can view and share photos in clarity and detail. You can choose between standard 3:2 or widescreen 16:9 aspect ratio. When connected to a Sony BRAVIA TV, you can control the image playback using the TV remote. A mini-HDMI-to-HDMI cable is not supplied.
Printing Options: The camera offers the following printing options.
InfoLithium Battery: The SLT-A77V is powered by the NP-FM500 InfoLithium battery (supplied). The battery communicates data to the camera, so that the percentage of battery power remaining can be displayed. The approximate number of images that can be recorded with the supplied battery is as follows:
|With Viewfinder||With LCD Monitor|
|Still Images||470 shots||530 shots|
|Movies||185 minutes||185 minutes|
Charging: The supplied InfoLithium battery requires approximately 175 minutes for a full charge. The battery should be fully charged before initial use.
Power Save: You can set different time intervals for the camera to switch to Power Save mode. You can set the interval to 10 seconds, 20 seconds, 1 minute, 5 minutes, or 30 minutes. Once the camera goes into Power Save mode, you can return to the shooting mode by pressing the shutter button halfway. When the camera is connected to a TV or the drive mode is set to Remote Commander, the power save mode defaults to 30 minutes regardless of the setting.
Application Software CD-ROM: The following software is included with the SLT-A77V:
Picture Motion Browser (PMB) Ver.5.8:
Image Data Converter SR Ver.4.0:
Compatible Operating Systems (for USB Connection):
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Sony's Alpha line of digital SLRs employ a translucent mirror instead of the traditional flipping mirror, letting you shoot faster than ever.