Sony Alpha a7 Mirrorless Full Frame Camera

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World's Lightest Interchangeable Lens
Full-Frame Camera

Sony Alpha a7 Mirrorless Digital Camera Sony Alpha a7 Mirrorless Digital Camera.

There's one thing to be said for Sony's digital camera operation, they've experimented with numerous different concepts. From SLRs deaturing dual autofocus systems and Translucent Mirror Technology to its NEX mirrorless line, Sony has explored virtually every path in digital imaging. Its latest cameras - the Alpha 7 and Alpha 7R - are perhaps the most exciting cameras to come from the Sony labs in some time. Sony has managed to create full-frame cameras which are around the same size as the Olympus OM-D E-M1. In other words, the Alpha 7s are much smaller than their full-frame interchangeable lens competition (such as Nikon's D610 and the Canon EOS 6D), an achievement primarily made possible because they're not SLRs.

Additionally, Sony is unifying the Alpha and NEX brands, so all future interchangeable lens cameras will now be labeled as the Alpha cameras. Being mirrorless, the a7 would have otherwise likely been prefixed with the letters NEX.

The a7 and a7R are identical in terms of physical design, with the primary differences being the sensor and autofocus system. The a7 features a full-frame 24 megapixel CMOS, while the a7R has a 36 megapixel CMOS sensor eliminating the optical low-pass filter. The a7 uses a Hybrid AF system (with on-chip phase detection) similar to the one found on the NEX-6, while the a7R has traditional contrast detection. The a7 is also capable of electronic first curtain mode, which allows for a quieter shutter, and reduces the potential for 'shutter shock' vibration; this is absent from the a7R. Both cameras use Sony's latest Bionz X processor and also have XGA electronic viewfinders, tilting LCDs, Wi-Fi, and weatherproof bodies that resemble that of the Olympus E-M1.

The A7 incorporates a full-frame Exmor CMOS sensor into an E-mount body thus providing the light gathering capability and detail-rich imaging of a full-frame sensor with a compact, lightweight, and versatile mirrorless, interchangeable lens camera system. The 24.3MP sensor enables high resolution images and low light effectiveness with its standard ISO sensitivity range of 100-25600. The new BIONX X image processor offers fast processing and operation speeds such as 5 fps burst shooting and front-end LSI (large-scale integration) improves the early stages of image processing resulting in more natural details and richer tones. 14-bit RAW output preserves the detail provided by the sensor.

An enhanced Hybrid Autofocus system combines a 117-point, phase-detection AF system with a 25-point contrast-detection system for high speed and accuracy. Flexible spot focus areas in addition to multipoint, center-weighted, and zone focusing contribute to its functionality and manual focus assist can be optimized for full-frame or APS-C-format shooting zones. New Eye AF Control provides highly precise eye-detection for shots that place the focus directly on the subject's eye, even when they are partially turned away.

Full HD 1080 video capture with 24p/60i/60p frame rates is supported in both AVCHD and MP4 codecs. Uncompressed video can be recorded off-camera via an HDMI connection, and both built-in and external stereo recording is available. HDMI and wireless output allows for viewing of still images on ultra HD 4K television. The 3.0" tiltable LCD has a 1.23M-dot resolution and WhiteMagic technology for better visibility in bright light. A high-contrast 2.4M OLED electronic viewfinder provides 100% coverage, a wide viewing angle, and features the same 3-lens optical system used in the Sony a99 DSLR.

Built-in Wi-Fi and NFC capability enable easy wireless transfer of images as well as remote shutter control from smartphones and tablets. Remote Control via a USB connection enables still photo adjustment control and now includes video capture control. The Quick Navi Pro interface system can display all camera adjustments on the LCD for rapid setting changes when needed.

The advanced Sony Multi-Interface shoe expands compatibility options for flash, microphone, and other accessories, and as an E-mount full-frame camera, the Alpha a7 is compatible with all present APS-C sized E-mount lenses in APS-C Crop Mode as well as the new E-mount full-frame Zeiss and Sony G-series lenses. Lens mount adapters with a tripod mount are also available to use A-mount lenses on E-mount cameras and an optional dedicated battery grip enables stable extended shooting and vertical orientation stability.

Full Frame Compact Mirrorless Digital Camera
The Sony Alpha a7 incorporates a full frame 35.8 x 23.9 sensor into the compact, lightweight form of an E-mount mirrorless camera providing the imaging prowess of full frame and the convenience and versatility of mirrorless.
24.3MP Exmor CMOS Sensor
With 24.3 effective megapixels, the Exmor CMOS sensor captures high-resolution, low-noise images with rich tonal gradation and low-light sensitivity. The normal ISO range on the Alpha a7 is 100-25600.
BIONZ X Image Processor
The new BIONZ X image processing engine reproduces textures and details in real time via extra high-speed processing capabilities. Together with front-end LSI (large scale integration) that accelerates the earliest processing stages, it enables more natural details, more realistic images, richer tonal gradations, and lower noise whether you shoot still images or movies.
Fast Hybrid Autofocus
Enhanced Fast Hybrid auto focus combines speedy phase-detection AF with accurate contrast-detection AF, which has been accelerated through a new Spatial Object Detection algorithm. Phase-detection AF with 117 densely placed phase-detection AF points swiftly moves the lens to bring the subject nearly into focus, then contrast-detection AF with wide AF coverage fine-tunes precise focusing.
Up to 5 fps Continuous Shooting
New faster, more accurate AF tracking, made possible by Fast Hybrid AF allows you to capture action shots and that 'perfect' moment with 5 fps continuous shooting in Speed Priority Continuous Shooting Mode. Differing from the Alpha a7R, the Alpha a7 provides a Hybrid Focus system that enables faster focusing and frame rates for photographers who favor performance speed.
Compatibility with Sony's E-mount Lenses and New Full-Frame Lenses
Maintaining its lightweight form, the Alpha a7 is fully compatible with Sony's present APS-C E-mount lens system and the new line of E-mount compact full-frame lenses from Carl Zeiss and Sony's premier G-series.
3.0" Tilt LCD Monitor
The tiltable 3.0" Xtra Fine LCD Display offers a 1,229K-dot resolution and makes it easy to photograph from low or high angles, swinging up 84 and down 45. WhiteMagic technology dramatically increases visibility in bright daylight. The large display delivers brilliant-quality still images and movies while enabling easy focusing operation.
2.4M-dot OLED Electronic Viewfinder
With its 3-lens optical system the viewfinder faithfully displays what will appear in your recording, including the effects of your camera settings. You'll enjoy rich tonal gradations and improved contrast. High-end features like 100% frame coverage and a wide viewing angle enable comfortable and stable eye-level composition.
Full HD Movie at 24p/60i/60p with Uncompressed HDMI Output
The Alpha a7 supports in-camera AVCHD codec frames rates in super-smooth 60p, standard 60i or cinematic 24p. MP4 codec is also available for smaller files for easier upload to the web. Also, it is possible to capture Full 1080 HD uncompressed clean-screen video files to external recording devices via an HDMI connection in 60p and 60i frame-rates.
Built-in Wi-Fi and NFC
Connectivity with smartphones for One-touch sharing/One-touch remote has been simplified with Wi-Fi/NFC control. In addition to Wi-Fi support for connecting to smartphones, the Alpha a7 also supports NFC (Near Field Communication) providing convenient transfer of images to Android smartphones and tablets. Users need only touch devices to connect; no complex set-up is required. Moreover, when using Smart Remote Control - a feature that allows shutter release to be controlled by a smartphone - connection to the smartphone can be established by simply touching compatible devices.
Direct Access Interface
Quick Navi Pro displays all major shooting options on the LCD screen so you can rapidly confirm settings and make adjustments without searching through dedicated menus. When shooting opportunities arise, you'll be able to respond swiftly with just the right settings.
New Eye AF control
Even when capturing a subject partially turned away from the camera with a shallow depth of field, the face will be sharply focused thanks to extremely accurate eye detection that can prioritize a single pupil. A green frame appears over the prioritized eye when focus has been achieved for easy confirmation. Eye AF can be used when the function is assigned to a customizable button, allowing users to instantly activate it depending on the scene.
14-bit RAW Output
14-bit RAW image data of extremely high quality is outputted by the Alpha a7. This data preserves the rich detail generated by the image sensor during the 14-bit A/D conversion process. When developed with Sony's Image Data Converter RAW development software, these images deliver particularly high quality photographic expression and rich gradation.
Wired Remote Control with Video Capture Control
Remote Camera Control allows you to control your Alpha a7 from your computer using a USB cable. It has been updated to include video capture control.
Multi-Interface Shoe
The Alpha a7 features the advanced Multi-Interface Shoe that dramatically expands compatibility with Sony digital imaging accessories such as flash units, microphones, lights, and monitors thus increasing the potential of your photo and movie shooting.
Lenses
The Alpha a7 is compatible with all present APS-C E-mount lenses in APS-C crop mode as well as new E-mount full-frame Zeiss and Sony G-series lenses. Lens mount adapters with a tripod mount are also available to use A-mount lenses on E-mount cameras

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Specifications
Body type SLR-style mirrorless  
Sensor
Max resolution 6000 x 4000  
Other resolutions 6000 x 3376, 3936 x 2624, 3936 x 2216, 3008 x 1688, 3008 x 2000  
Image ratio w:h 3:2, 16:9  
Effective pixels 24 megapixels  
Sensor photo detectors 25 megapixels  
Sensor size Full frame (35.8 x 23.9 mm)  
Sensor type CMOS  
Processor Bionz X  
Image
ISO 100-25600  
White balance presets 10  
Custom white balance Yes  
Image stabilization No  
Uncompressed format RAW  
JPEG quality levels Extra fine, fine, standard  
Optics & Focus
Autofocus
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Single
  • Continuous
  • Face Detection
  • Live View
 
Digital zoom Yes (4)  
Manual focus Yes  
Number of focus points 117  
Lens mount Sony E  
Screen / viewfinder
Articulated LCD Tilting  
Screen size 3  
Screen dots 1,230,000  
Touch screen No  
Screen type Xtra Fine LCD  
Live view Yes  
Viewfinder type Electronic  
Viewfinder coverage 100%  
Viewfinder magnification 0.71  
Viewfinder resolution 2,359,000  
Photography features
Minimum shutter speed 30 sec  
Maximum shutter speed 1/8000 sec  
Aperture priority Yes  
Shutter priority Yes  
Manual exposure mode Yes  
Subject / scene modes Yes  
Built-in flash No  
External flash Yes (via Multi Interface shoe)  
Continuous drive 5 fps  
Self-timer Yes (2 or 10 sec; continuous (3 or 5 exposures))  
Metering modes
  • Multi
  • Center-weighted
  • Spot
 
Exposure compensation 5 (at 1/3 EV, 1/2 EV steps)  
AE Bracketing 5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)  
WB Bracketing Yes  
Videography features
Resolutions 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)  
Format MPEG-4, AVCHD  
Videography notes headphone and microphone ports, XLR support via adapter  
Microphone Stereo  
Speaker Mono  
Storage
Storage types SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo  
Connectivity
USB USB 2.0 (480 Mbit/sec)  
HDMI Yes (micro-HDMI port with 4K still, uncompressed video output)  
Microphone port Yes  
Headphone port Yes  
Wireless Built-In  
Wireless notes with NFC and wireless control via PlayMemories Mobile app  
Remote control Yes (wired)  
Physical
Environmentally sealed Yes  
Battery Battery Pack  
Battery description NP-FW50 lithium-ion battery and charger  
Battery Life (CIPA) 340  
Weight (inc. batteries) 474 g (1.04 lb / 16.72 oz)  
Dimensions 127 x 94 x 48 mm (5 x 3.7 x 1.89)  
Other features
Orientation sensor Yes  
Timelapse recording No  
GPS None

 

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