Sony SLT-A77 In-depth Review

Review based on a production SLT-A77 running firmware 1.0.3

After a four-year wait, Panasonic has came returning to the enthusiast/semi-pro end of the DSLR market. Having designed little impact in that market with the A700 that very efficiently seemed like the conventional DSLRs designed by Canon and Nikon, Panasonic has spent the all the nearby time developing something a bit different. The A77 makes on the company's 'translucent mirror' engineering, and uses an digital rather than identifiable viewfinder. The result is a item that may look conventional, but is able to assurance the non-traditional.

Spec-wise the A77 is impressive: it features a new 24MP APS-C CMOS sign, 12fps full-resolution getting and the biggest awesome EVF we've ever knowledgeable (a 2.4M dot OLED finder). It also uses a new 19-point AF sign, 11 factors of which are cross-type (sensitive to information in both the immediately and sleek in a trench axis). Amazing use of the primary sensor's remain viewpoint allows the A77 to get apparent factors as they move across the kind, enabling the image picture digital image picture photo digital image camera to have a better understanding of which AF aspect it should be using at once.

Last times SLT-A55 offered some symptoms about how Panasonic predicted to bring its devices know-how to keep in a high-end image picture digital image picture photo digital image camera. Its set, semi-transparent representation style designed Panasonic could do away with a conventional identifiable viewfinder and use an digital display. It also designed that the phase-detection auto-focus that gives DSLRs much of their immediacy could be used all a lot of your energy and energy. The result was images image digital image picture photo digital image camera that could catch at an excellent 10fps, could concentrate quickly in movie operate and offered full-time remain viewpoint with continuous DSLR-like activities in a way that no image picture digital image picture photo digital image camera had really managed before.

Unsurprisingly the A77 needs all these capabilities a lot further than the consumer-level A55 - it provides together the newest processer with an digital first aspect shutter to provide the stage of responsiveness the more complicated enthusiast/semi-pro clients will figure out. The A77's incredibly improved viewfinder is also key to ensuring the A77 can keep its own against the very company opponents it activities from organizations The canon eos eos eos eos eos 7D. (You don't have to research particularly far between the solutions to figure out it was this operate Panasonic suggested to perfect before launching an SLT into this market.)

And, as with the A55 and a few other newest Camera components, the A77 provides in-camera GPS. It can be a really useful operate for preparing and discovering images, as enabling identifiable images to be geo-located on sites such as Stumbleupon.

In addition to the particular improvements, Panasonic has clearly been experiencing its audiences when developing the electrical powered managed managed energy power digital digital camera's firmware - the A77 is not just the most customized Panasonic we've ever knowledgeable, but it has a finish enabling of high-end features. This contains the ability to fine-adjust the AF modifying, and to figure out the greater and decreased dimensions that the Automobile ISO program will use - features we've not seen on a Panasonic image picture digital image picture photo digital image camera since the DSLR-A850.

Sony SLT-A77 key features:

• 24MP CMOS Sensor
• 12fps continuous shooting with autofocus
• 1080p60 movies with autofocus
• 2.4M dot OLED viewfinder
• 1/8000th maximum shutter speed, shutter rated for 150,000 actuations
• ISO 100 - 16,000 (25,600 with multi-image combination. Expands down to ISO 50)
• Auto ISO with customisable lower and upper limits
• Built-in dark red autofocus illuminator
• Optional, profile-based correction of vignetting, chromatic aberration and geometric distortion
• Pull-out three-hinge tilt/swivel 920k dot LCD screen
• Built-in GPS
• Top panel LCD
• Stereo microphone and external mic socket
• AF Micro Adjust
• Dust shake sensor cleaning

SLT-A77 and A65 key differences

	Sony SLT-A77	Sony SLT-65
Sensor	24MP APS-C CMOS	24MP APS-C CMOS
Body construction	Magnesium Alloy/Plastic	Plastic
Control dials	2	1
Maximum shooting rate	12fps	10fps
Auto ISO	Customizable upper and lower limits	Fixed at 100-1600
Viewfinder	2.4M dot OLED TruFinder	2.4M dot OLED TruFinder
AF Sensor	19 points (11 cross-type)	15 points (3 cross-type)
AF fine-tune	Yes	No
Joystick controller	Yes	No
Top LCD panel	Yes	No
Flash sync socket	Yes	No
LCD Articulation	Triple hinged (hinge/tilt/swivel)	Double-hinged (tilt/swivel)
Video	1080p60 AVCHD 2.0	1080p60 AVCHD 2.0
Flash sync speed	1/250th	1/160th
Maximum shutter speed	1/8000th	1/4000th

Source:www.dpreview.com

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