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Customer Review

24 of 27 people found the following review helpful
4.0 out of 5 stars Sony a57 is almost perfect, July 2, 2012
This review is from: Sony Alpha SLT-A57 16.1 MP Exmor APS HD CMOS Sensor DSLR with Translucent Mirror Technology and 3D Sweep Panorama (Body Only) (OLD MODEL) (Electronics)
So it goes, "a picture's worth a thousand words." It looks like Sony remembered that video is the master of pictures in motion. That's my take on Sony's new mid-range A-mount camera in it's Alpha series. The Sony SLT A57 is a fast, quality camera with impressive video capturing capabilities.

RECAP: A DSLR (digital single lens reflex) is the digital version of the same flipping mirror technology that has dominated serious photography of the past half-century. You look into a view finder and when you snap a picture, the mirror that you were actually looking at flips out of the way so a sensor can make a copy of what you saw. Sony, with it's SLT line, fuses a forgotten technology with it's background in electronics to make a completely innovative camera that threatens the royal DSLR family of Canon and Nikon.

Instead of a flipping mirror, the a57 uses a semi-transparent one that doesn't need to flip which enables this $700 camera to take rapid 8 (full control), 10 (aperture control), and all the way up to 12 (cropped resolution) frames per second. In this respect, the transparent mirror is allowing Sony's SLT cameras to compete with others 4x it's price. That stationary mirror is paired with an acclaimed 16.1 megapixel CMOS sensor that has a very fast phase detection auto focus.

The A57 has all the other details a DSLR would afford you. The things that work especially well are its ISO performance, up to 16000 for quality in low light conditions. It has a host of fun borderline gimmicky options like auto-portrait framing where the Bionz processor takes a look at a photo and crops it using the rule of thirds. The in camera digital zoom works unexpectedly well allowing my kit lens to get some respectable macro shots. It houses a larger battery than it's predecessor, the well-received A55, allowing up to 550 shots on a fresh charge. Memory Pro Duo and SD cards (class 10 recommended for keeping up with a57`s decent buffer) are accepted in the larger rubberized grip.

Sony's newest offering is larger than the model it replaces inspiring confidence that the company was listening to customer feedback. It turns out mid-range DSLR customers didn't want smaller and delicate in their models but something more substantial with plenty of grip options and spaced out controls for one-handed activation for most features. Sony's live view has been excellent since it entered the DSLR market after acquiring all things Minolta. It's fully articulated though it's majorly annoying that it's hinged on the bottom, which means even on a tripod it's difficult to do self capturing. The electronic view finder (since its not a true DSLR, no flipping mirror remember, everything's recreated digitally) is easy to use and greatly enhanced from the A55, though still no OLED inherited from the higher end A65 and A77.

If you have a collection of Minolta Lenses or have one of the first few Sony Alphas that didn't record video, then the A57 represents digital SLR movie making in it's prime and now would make right for an upgrade. Video capture is where Sony's camera shines utilizng its in-body camera stabliziation (they call it Steady Shot) and its constant phase detection auto focus. Regardless of price, few DSLR's can compete with how fast and accurate the A57 is when recording in movie mode. There's no flipping mirror so auto focus is never turned off or in need of readjustment unless you want full shutter and aperture control. For indie film makers, probably the most important thing of note is that Sony's new SLTs record in full 1080p at 60 frames per second and now also 24 progressive frames a second. The A57 records video at a bitrate up to 28 mbps which is a bit less than a hacked Panasonic GH2 or Canon's T3i but neither do 60 at 1080p. Unless your going to do extensive and repeated digital manipulation to your videos, my opinion is 28 mbps is of very high quality. In any case, shooting video with a DSLR and the many lenses that offer up a shallow depth of field can yield expensive looking results.

There's a lot of fanboy-ism when affiliations are made to a camera manufacturer. Nikon and Canon make excellent products in the DSLR market, Panasonic does well with its micro four thirds system and Sony's stronghold as underdog may well change with it's SLT line of semi-transparent mirrors. With any of the above you get large image sensors and full manual control options over exposures which is why they yield better results than cheaper point and shoots or typical smart phone affairs. In my opinion, what it really boils down to are the lenses. Not the mirrors, definitely not the megapixels and not the brand's name. If you have a bunch of Canon or Nikon lenses then stick with Canon or Nikon. However, if you have old Minolta lenses (don't forget all Minolta Maxxum A-mounts work with all Sony A-mounts) or are starting from scratch then consider the A57. Like all Sony Alpha DSLR and SLTs, it has both in body stabilization (negating the need for the more expensive stabilized lenses) and a built-in auto-focus motor. The last two things simply mean that you could save money in the long run if you plan on buying a few more lenses.

Did any of this make any Flipping sense?

After a few months of use I am finding the lack of on board audio controls with no choice but the auto gain to be inconvinient now that I do more video work. Recording audio separately is usually best anyways and the onboard stereo mic work well for syncing but it would be nice to throw a rode video mic pro or sony's own ecmalst1 and not worry about picking up the camera's motor noise. Half a star knock for that, otherwise I'm still super happy with it.
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Showing 1-1 of 1 posts in this discussion
Initial post: Dec 6, 2012 7:45:42 AM PST
Victoria says:
If video not impt. (or consider a separate video cam), consider this vs. the weatherproofed Pentax K-30.

The only Sony I would consider after trying earlier cameras and their gimmicks is the RX100. Well done on that camera!
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