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By admin, on August 4th, 2012
 Sony A57 is a successor of A55, It features 16.1 Megapixel CMOS sensor with more advance AF system, continuous shooting up to 12fps and standard ISO range 100-16000, the A57 is also capable for recording Full HD movies at 60fps frame rate .
Now lets’ talk about the lenses for your Sony A57 SLT Camera, the list of basic lenses requires for your Sony A57 camera are
- kit lens (all rounder) – you get while you purchase the camera
- Portrait Lens
- Zoom Lens
- Macro Lens
 Portrait Lens for Sony A57
Sony 50mm F1.8 SAM DT – Buy from Amazon | B&H | Amazon UK
The 50mm F1.8 DT is the best and affordable lens available for Sony APS-C SLT camera, The 50mm Lens gives you excellent quality of images, color and contrast. The background blur or Bokeh quality of this lens is also very good.
 Standard Zoom Lens for Sony A57
Sony 55-200 F4-5.6 SAM DT – Buy from Amazon | B&H | Amazon UK
The 50-200mm is the most affordable zoom lens by Sony features SAM – smooth AF motor for fast and quiet auto focusing and due to ED glass elements the CA (chromatic abberration) is very well controlled, being affordable the quality of the optics is superb, a highly recommended zoon lens for beginners.
Macro Lens for Sony A57
Sony 30mm DT F2.8 SAM Macro Lens – Buy from Amazon | B&H | Amazon UK
The best budget lens form Sony, It captures very sharp images even at F2.8 aperture, the lens CA is very well controlled and the lens will give you 1:1 subject to projection size ratio gives life-size image output.
By admin, on May 14th, 2012
 Sony A57 vs Canon 600D vs Nikon D5100 Specification comparison review, the Sony A57 is recently announced and Nikon D5100 and Canon 600D / T3i update (650D & D5200) may arrive soon, but before that let’s have a look to the specification comparison review all these three entry level DSLRs / SLT.
 Sensor and Megapixels: The new Sony A57 uses new 16.1 megapixel CMOS sensor (same as Sony NEX-5N), you get standard ISO range of 100-16000 and expandable up to 25600.
Nikon uses a 16.2-megapixel Nikon APS-C sensor and Canon uses 18.7 megapixels APS-C sensor, All these three sensor are based on APS-C format but the size for Nikon and Sony is bit bigger compared to canon.
AF system : The Canon uses 9 point AF system but AF is not available in video mode, both Sony and Nikon features advance AF system and AF during video mode.
The A57 model shares the more expansive A65 15-point AF system with three cross sensors delivering fast, accurate TTL phase detection autofocus. Newly enhanced Object Tracking AF keeps faces or other selected objects in sharp focus .
Shooting speed: Canon 600D features DIGIC 4 image processor and have Continuous shooting speed of 3.7 fps, Nikon D5100 comes with Expeed 2 image processor and have shooting Continuous shooting speed of 4 fps
Sony A57 comes with newly developed advance BIONZ image processor and can shoot 8 megapixel still at 12 fps with continuous auto focus and auto exposure with fixed aperture.
Video: Canon offers Full HD at three selectable frame rates, HD at 60 and 50 fps, but no AF available during Video mode,
Nikon D5100 offers AF during video mode and three selectable frame rate at Full HD and 30, 25, 24 fps at HD video recording, no 60 fps option available at Full HD and HD video mode.
The Sony A57 have AF during video recording, manual controls in video mode and uses the latest AVCHD 2.0 codec for video recording, Full HD resolution movies can be captured with 60p and 24p frame rate.
Battery life etc, Nikon D5100 have light-weight body with longer battery life.
The Price
Nikon D5100 is most affordable and available at $699 at Amazon,
Canon 600D / T3i available at $749 at Amazon and
Sony A57 available at $799 with Amazon.
High ISO Image Comparison below. Image Credit: imaging-resource.com
Image comparison of Sony A57 vs Canon 600D vs Nikon D5100 @ ISO 1600
Image comparison of Sony A57 vs Canon 600D vs Nikon D5100 @ ISO 3200
Image comparison of Sony A57 vs Canon 600D vs Nikon D5100 @ ISO 6400
Image comparison of Sony A57 vs Canon 600D vs Nikon D5100 @ ISO 12800
Conclusion: The Noise performance is almost same, Canon 600D gives your bit more resolution and Nikon D5100 and Sony A57 features better AF and Video mode.
By admin, on March 14th, 2012
 Sony A57 is a successor of A55, It comes with many new features and improved body grip and design, read the comparison review of Sony A57 vs. Sony A55 for more details.
Sensor and Megapixels: The new Sony A57 uses new 16.1 megapixel CMOS sensor (same as Sony NEX-5N), you get standard ISO range of 100-16000 and expandable up to 25600.
The new AF system : The A57 model shares the more expansive A65 15-point AF system with three cross sensors delivering fast, accurate TTL phase detection autofocus. Newly enhanced Object Tracking AF keeps faces or other selected objects in sharp focus .
Shooting speed: Sony A57 canon shoot 8 megapixel still at 12 fps with continuous auto focus and auto exposure with fixed aperture, at 8fps you get full 16.1 megapixels resolution.
Video: The Sony A57 comes with full control over P/A/S/M shooting modes and uses the latest AVCHD 2.0 codec for video recording, Full HD resolution movies can be captured with 60p and 24p frame rate.
Improved body grip and design similar to more costly Sony A65.
New features:
New Portrait Framing technology is introduced in Sony A57, Using face detection and the compositional ‘rule of thirds,’ the camera identifies a subject’s position, trimming the scene to create tightly framed, professional-looking pictures in portrait or landscape orientation while maintaining a copy of the original image.
2x Clear Image digital zoom technology doubles the effective magnification of your lens. The camera uses Sony’s “By Pixel Super Resolution Technology” to ensure that cropped and zoomed images retain full pixel resolution.
Conclusion: Buy Sony A57, Sony A57 is a clear balance of technology and price.
Sony A57 have no in camera GPS but comes at same price as A55 with new image sensor, fast image processor, and you get full control over P/A/S/M modes while video shooting, the new camera also features New Portrait Framing technology and 2x Clear Image digital zoom.
Pre-order details
Amazon
Pre-order Sony A57 from Amazon
B&H
Pre-order Sony A57 (body only) at B&H
Pre-order Sony A57 with 18-55mm lens at B&H
By admin, on March 13th, 2012
 Sony A57 is and affordable SLT with features similar to a High-End DSLR or SLT, Sony A57 comes with improved Sensor, Fast AF system with object tracking, 100-16000 standard ISO range, 12fps of continuous shooting speed, for more details see Sony A57 announced
Pre-order details
Amazon
Pre-order Sony A57 from Amazon
B&H
Pre-order Sony A57 (body only) at B&H
Pre-order Sony A57 with 18-55mm lens at B&H
By admin, on March 13th, 2012
 Sony SLT-A57, successor of Sony A55 announced today, the Sony A57 features 16 megapixel APS-C CMOS sensor, 15 point AF, ISO range 100-16000 and 25600 with boost, It can also capture Full HD movie at 60fps and also features 12 fps continuous shooting, the built quality and handgrip is much improved compared to old Sony A55, viewfinder or on the angle-adjustable 7.5 cm (3.0-type) Xtra Fine LCD™ display.
Pre-order/Buy Sony A57
New features in Sony A57
Fast Image Processor: Sony A57 uses latest-generation BIONZ® engine, same type of image processor is used in more expensive A77 and A65 SLT, this powerful processor effortlessly process large amounts of image data and you get 12fps of 12 fps continuous shooting speed, Fast AF performance and low noise while shooting either Full HD video or stills.
Auto Focus with object tracking : The new A57 comes with 15-point AF system with three cross sensors delivering fast, accurate TTL phase detection autofocus, Newly enhanced Object Tracking AF keeps faces or other selected objects in sharp focus
Improved ISO range: you get 100-16,000 standard ISO range and 25600 with boost.
New Portrait Framing technology is introduced in Sony A57, Using face detection and the compositional ‘rule of thirds,’ the camera identifies a subject’s position, trimming the scene to create tightly framed, professional-looking pictures in portrait or landscape orientation while maintaining a copy of the original image.
2x Clear Image Zoom digital zoom technology doubles the effective magnification of your lens. The camera uses Sony’s “By Pixel Super Resolution Technology” to ensure that cropped and zoomed images retain full pixel resolution.
Improved body grip and design similar to more costly Sony A65.
Pricing and Availability
The new α57 interchangeable lens camera will be available this April with an 18-55mm kit zoom lens for $800 (model SLT-A57K). It will also be offered as body-only for about $700 (model SLT-A57).
Sony will also be introducing a new battery-powered LED video light, model HVL-LE1, which broadens options for recording video indoors or in low light. This new accessory will be available this month for about $250.
By admin, on March 12th, 2012
Update: Sony A57 Announced
First leaked image of Sony A57 appeared on gdgt.com, the expected announcement date of Sony A57 SLT is March 3, 2012, Sony A57 will have NEX N 16 Mp APS-C sensor, see more rumored specification (below)
Rumored Specification of Sony A57
16 megapixel ExmorHD sensor
100-12800 ISO
12fps
Articulating display screen
No top LCD
No GPS
New battery grip
1,44 million dot EVF
src – sonyalpharumors.com
By admin, on March 3rd, 2012
Invitation for the Sony presentation at March 15th is spotted by SAR reader David, New Sony Alpha A57 and Sony NEX-F3 is expected to arrive at March 15, 2012
Rumored Specification of Sony A57
16 megapixel ExmorHD sensor
100-16.000 ISO (up to 25.600 with MultiNR)
12fps
Same menu and focusing of the Sony A77
Swifel screen
No top LCD
No GPS
New battery grip
EVF (not as the A77/A65)
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