Review
Build Quality and Ergonomics:
Moving on to build quality, the A77 is a nice step up from the A55, A35, and the A580. It should be for the price though. It feels much more solid than the other Sony models I tested so far and it’s much more on par with my Canon 40D. Not 5D Mark II rugged though. Size wise it fits in my hands great and the grip is excellent. There are tons of buttons so I can control everything while looking through the viewfinder, with no issues once I learned where the buttons were. A huge plus and welcomed benefit over the Nex style camera body. The A77 also has two adjustment wheels for quickly scrolling through settings. One in the front and one in the back. The adjustment wheels actually change functions depending on what you’re doing and/or what menu you are currently in. Sometimes both wheels do the same thing, and other times they do different things. Pretty nice set-up and well thought out Sony!!
Weather sealing is included so you can bring this camera out in some weather, but I would not go to crazy in that regard as I don’t with my Canon cameras either. Could be just me, but I’d hate to lose a camera do to shooting in the rain, because it claimed to be weather sealed. I would rather wait to take the shot or use an umbrella etc.. If you require a camera for shooting in the rain, I would not recommend this camera. Besides, I highly doubt and manufacture would give you a new camera if yours got wet and broke. That being said, the seams are tight and the tolerances are a nice step up in quality.
The LCD screen looks great, but the OLED viewfinder is incredible!! A huge improvement over the previous SLT’s viewfinders like in the a55 and a35. The dynamic range is now visible so you can see the highlight and shadow detail with much better accuracy and clarity. This made it much easier to get the correct exposure for me when shooting in tricky lighting like flowing water for ex.. The LCD screen articulates and rotates so you can get it in pretty much any position needed. It feels very sturdy and tight considering all the pivot points, so it stays put wherever you adjust it. Love the LCD Screen, but it’s tuff to see and use in the sun. That’s when you just use the awesome OLED Viewfinder instead and call it a day
AF System:
The a77 uses Phase Detection Auto Focus which takes advantage of the translucent mirror by reflecting some of light upwards towards the 19 focus sensors. 11 of which are cross sensors which helps with both vertical and horizontal subjects. The focusing system works pretty good in bright contrast scenes, but struggles in low light more than I would expect. It also focuses right past small subjects sometimes which seems weird. Even if I’m using a specific focus point it will still focus right past stuff. Like leaves in a tree for example. It will focus right past the leaf in front of the focus point then come back and maybe lock on. It seems to get confused more than I would expect for such an advanced AF system. As long as there is a human in the scene it can usually find something to focus on in Full Auto, but when you move to similar colors at different distances or a smooth surface with little contrast it just hunts forever sometimes. Based on the amount of sensors in this camera I would think the focus would be closer to my Canon 5D Mark II. I know they are on a different paying fields, but the focusing system on the 5D Mark II is not exactly great as far as Canon’s AF goes, and it’s relatively old. Perhaps the actual sensors themselves are of a different quality? Or I was thinking maybe the ~30% of light being reflected up towards the sensors is limiting the AF System a bit on the A77? I honestly don’t know and can’t find the answer anywhere, but I’m still doing re-search on this
Update: 3/30/12 - The Latest Firmware Update fixed the AF issue mentioned above considerable!! Get it here >>
Menu System:
Sony went with a standard menu system on the a77 and I think that was a smart move! The picture influenced menu’s of the Nex cameras although easy to figure out for beginners can be a bit slow in comparison. The standard menu simple has tabs on the top from left to write divided up into categories that make sense. You can use either navigation wheel to scroll through the menu options in no time. Great job Sony!! Playback of photos is a tad bit laggy, but the firmware upgrade improved this significantly.
Battery life:
Overall the battery life is pretty good on the a77 compared to the any of the Nex cameras, the a35 and a55 which all use a smaller battery. Compared to my Canon 5D Mark II it’s realistically about half the life I would say. I didn’t actually time it or anything, but I use the cameras a lot the OLED and LCD screen both drain the battery quick. I would definitely carry a few spares with you on a day trip if you do a lot of shooting or video!!
Image Quality in the Real World:
I did extensive real world testing with the Sony A77 and took 1000′s of photos and lots of video in all sorts of scenarios looking for faults and seeing how the Sony handles things in comparison to my Canon gear and other Sony cameras I’ve tested so far. Out of the gate I was very impressed! I also have a nice Gallery set-up on Google Plus with a ton more sample pics if you want to check it out
Raw Image Files:
The image quality when shooting Raw is outstanding at ISO 800 and below. Beyond that it’s pretty noisy and you will need to reduce the noise a bit in post processing. Adjustments in Lightroom to the raw files are taken well and you can push it pretty far before noticing banding and other issues. Coming from Canon I must say the Sony sensors are better in the Highlights department for sure. The detail is retained in the highlights better than my Canon 5D Mark II. In the shadows the A77 also does a great job retaining shadow detail and when using the Dynamic Range Optimizer you can really lighten up the shadows a lot!! DRO is set to Auto by default on the A77 just so you know. I tuned it off for most of the time though.
Lets move on to some real world images and will get more into specifics about image quality as we go through them.
For starters lets focus on the dynamic range of the 24.3 megapixel Exmor™ APS HD CMOS sensor. Check out the excellent highlight detail on Sadie’s white fur in direct sunlight. Also be sure to Click on the pics for a larger version!!
Here’s the Histogram of the Raw file from Lightroom 3 showing all the info captured in the Shadows and Highlights. Excellent Dynamic Range!
A closer look at Sadie’s white fur and Highlight Detail
Here is another scenario with extreme dynamic range. Again the Sony a77 performed very well on both fronts especially in the highlights department. The shadows did clip a bit in the lower left, but that is easily recoverable in Lightroom if you shoot raw. The 16-50mm kit lens also performed quite well despite all the negative press I’ve read over the past few weeks. Perhaps I got a sharper version than some others or maybe a batch was let out mis-calibrated?
Here is another scene from the same town with some serious dynamic range. I would normally shoot these scenes using HDR if I was using my Canon 5D mark II, because it would probably clip the highlights. To be fair I did not measure the dynamic range so the 5d mark II may have been able to handle the scenes. The Sony a77 can handle the dynamic range no problem though and notice in the histogram how it protects those highlights.
Having some fun before work I managed to get a bunch of photos during the Golden Hour
I really like the vibrant colors that the Sony Alpha 77 pumps out. The depth of field and bokeh with the kit lens is also not bad at all in my opinion. Even at f/3.5 in the image below it’s very sharp in the center where I focused and the highlight detail is still retained in the out of focus extremely bright background on the left side. Check out the histogram and you see the reds just barely clip and the blacks clip a bit more on the shadow under the fence cross member. I shot this image Raw so I could easily recover the slightly clipped areas, but it’s fine for my purposes in this review.
There is a little bit of noise in these raw files even at ISO 100, but there is no noise reduction applied at all so it’s really not bad at all in my opinion and about the same as the Canon 5D mark II. I remember when I first got that camera and saw the noise at ISO 100 I was like what the?? However, when shooting raw you need to post process at least somewhat, so keep that in mind. These images have the default Adobe raw profile applied as they were imported into lightroom 3, so they are technically processed to some degree similar to the jpeg images, but it’s in a non destructive way. In Lightroom you can actually zero out your raw file if you like, but it looks really flat and dull. Adobe engineers do a great job and you can always tweak the settings as needed.
Moving on check this fall foliage color and Bokeh out. The 16-50mm f/2.8 lens is also notable sharp at f/8 and 50mm.
Sharp at 100%!!
This is a cool old gear mechanism used for something back in the day, but I have no idea what for. In any event it has great textures and colors so I took a few different angles in the early morning.
Sharp at 100%!!
Pretty sharp at 100%































When taking video can you view through the eye port or must you use the LCD screen? I’m thinking the the a65 will be my next Sony body if you can view through the eye port V the LCD screen.
Hi Mark,
Thanks for your comments and Yes, you can use either the OLED viewfinder or LCD screen for any function on the A77 and A65 thanks to the translucent Mirror Technology.
Best,
Jay
If you want similar noise levels to the 5n then down-sample the 24mpix images to 16mpix and you’ll get very close to it.
The noise profiles of the A77 and 5n sensors are very similar at the SAME resolution. But with the A77 you get the advantage of having 24mpix when you want it for cropping.
I’d have the 24mpix A77 sensor over the 16mpix 5n sensor every time. Sometimes I wonder if people really understand ISO at all.
SonyGuy,
I compared the re-sized results from the excellent article over at Luminoius-landscape, and the a77 sensor is still clearly noisier.
I understand that most people will not even use such high ISO’s but the A77 is not as good as the nex-5n as far as High ISO in the real world. The facts are the facts, and my test results speak for themselves. I’m sorry you don’t like it, but it is what it is. Pixel Density makes a difference as well as the mirror. You don’t get something for nothing.
That being said the Sensor is still incredible and I would probably never go higher than ISO 3200 anyway. In the end it really doesn’t matter much. but if you are looking for a High ISO Camera , this is not the camera for you and you need to see accurate ISO comparisons. .
Thank you for taking the time to put together this review! Very helpful and some great pictures in there too! Cheers!
Thank you Jeff for taking the time to comment and your kind words
Best,
Jay
Thank you for this very well thought out review. I recently ran into the f3.5 limitation in 12fps mode and I thought I was doing something wrong. Thanks for explaining that this is a limitation of the a77. I’m still don’t fully understand the reason for this limitation and it is a little bit frustrating that I cannot open my lens to f2.8 when shooting sports in 12fps mode. But I agree fully with your overall conclusion. Quite an excellent camera even with the shortcomings you have identified.
Hey Brian,
Thanks a lot for your really nice comments and sharing your experience with the f/3.5 limitation. I don’t fully understand why either, but the bottom line is the engineers decided to lock it down. How’s your hit rate in the 12fps mode if you don’t mind me asking? I didn’t have the best hit rate when I tried it a few times. Maybe 3 out of 12 were sharp, but I was tracking a running dog, so….. it’s tuff
Thanks again,
Jay
Jay:
I’ve had really good experience with it so far. For example, I took 10 shots in a row at a soccer game of a goalie making a stop on a shot in less than optimal light last weekend. The a77 nailed every single one (RAW + JPEG). Sharp as a tack. (Then again, I wasn’t tracking . . .) The limitation of course was that I had to carry a little more ISO than I wanted in order to get the shutter speed I wanted.
Brian
Brian, That is awesome!! Great to hear and thanks for sharing your experience. I hear ya about the ISO and that is a bit annoying when your using an f/2.8 lens. Did you try and shoot in in just Aperture Priority mode at f/2.8?
A77 Continuous Shooting Speeds: Continuous (Hi: up to 8fps,Low: up to 3fps) Continuous Priority AE (12fps)
8fps isn’t to bad, and at f/2.8 it would definitely lower your ISO a bit.
Thanks again,
Jay
I have indeed and you are absolutely correct that 8fps is more than sufficient for most situations. You know how it is. If your car can go 100mph . . .
Thanks for the in depth review Jay. I’m interested in using this camera for making short films and video work as well as photos and I had some questions about the video mode. When you say the ISO is locked at 1600 in video mode does that mean that the user has no control over ISO in video at all, or that the user just cannot go over 1600 in video? And is that only in auto or is that limitation in manual as well? And in manual video mode can you change the aperture to the lens limitation or are you stuck to F3.5 and higher?
I work for Sony in one of their retail locations and I’m very interested in the camera but unfortunately we haven’t received it in. When we get it I plan on giving it a through stress test, but I was hoping you could answer some of these question for me in the mean time.
Matt,
Thanks for your comments and sediments on the review
Great questions by the way and I’ll do my best to clear up the confusion for you!
The ISO is adjustable when recording video but it “Tops Out” at 1600 (Sony Locked it down to max out at ISO 1600). I probably could have worded that better in the review, sorry about that. This ISO limitation is for all video in every mode including manual. Auto Focus only works in P Video Mode which stands for auto exposure mode. So in P Video Mode your adjustments are limited to exposure compensation and ISO 50-1600. In manual video mode you can change the aperture to the lens limits, shutter speed, and ISO 50-1600, but don’t forget it’s manual focus only
I hope this helps!
Jay
Thank you for your review. I have had my a77 for a few weeks now, still learning. I have maybe a dumb question. My previous camera was a Sony A200. With it when i set AF on single, the green light would light when in focus and when subject moved light would go off. I would then know to refocus. My area was always set to local so I could choose my own focal point. With my A77 with same settings green focus light remains
on even if my subject moves. Will I need to switch to continuous Af for moving subject. I hope not, I am used to single AF. I am just a hobbyist, trying to get good photos of my moving grandbabies. Just wondering if I have something set wrong. Help me if you can.
Debbie,
Thanks for the comments and great question you have there!! I know what feature your talking about and I enabled it on something recently, but I can’t remember which camera it worked in manual focus only I think though. I’ll let you know when I find the info!!
Best,
Jay
Great and detailed review Jay.Had been pondering over which one to get as an upgrade over my A200. Now pretty sure A77. Was thinking of A850 then A580 (have to get it from the US as it is not sold in Dubai – risk of warranty if I got from the US ).After readin and seeing your images I think I opt A77 that is available here locally.
hi,
quick question,
I’ve had mostly Nikon’s. Recently sold my gear and got a A77.
I’ve used 70-200 for my son’s soccer. I’m thinking of the 70-400.
Is it as fast, as sharp?
Also, how’s continuous focusing for sports?
I tried an A77 out last year with a 70-200 and it was nice. I didn’t however like that the Sony A77 blocks the view inside the viewfinder by playing back previous images. This is problematic for high speed action photography.
What are your thoughts?
Thanks!
Andy
Hi Andy,
I have not used the 100-400mm yet, but plan to get it with the Next A-Mount Sony I review!! I have read a few reviews on it however, and it appears to be just as good as the 70-200mm pretty much from what I can tell. Same quality optics, build quality etc.. I Can’t wait to try it!!
As far as the images popping up when shooting sports etc.. it is a bit annoying, but believe it or not you can get used to it. I only did minimal high speed photography with the dogs running around, but the A77 performed quite well. The hit rate was not very good, but that was due to my poor tracking abilities, as the dogs are incredible fast!! When I did hit the mark though, most shots were sharp as you would expect. It’s much different then using an SLR for sure and takes some get used to for that type of photography. I prefer the Optical viewfinder for thisstye of shooting still but eh OLED is certainly usable.
Best,
Jay
Is nice review on Sony A77 however, you have indicated a Jpegs are over processed that are problems within hardware or software itself…Please advice…Thanks.
Thank you Toll,
The Camera itslef processes the images and is not a hardware related issue as far as quality goes. Shooting Raw is the way to go, this way you can develop the images yourself. That is my personal preference. When shooting in Jpeg mode the camera takes the photo, and then color corrects, sharpens, noise reduces etc… In my opinion the Sony A77 goes a bit to far in the Noise reduction department, and sharpening depending on the image. Keep in mind though, I am a raw shooter so I’m a little biased as far as that goes. The Jpeg quality overall is still very very good.
I hope that helps,
Jay
My reason has asked. Since, there are so many commentaries surrounding the web with Jpeg file on Sony A77 without explanation in details, just as you did. I do agree Raw format is the best ways to captures pictures comparing to Jpeg format as you said…thank you so much for replying my question Jay…9day.
Your very welcome and have a great day
Jay
thank you for your review Jay! Great work with depth. I own the A77 for 6 months now. Enjoying the camera. Everyday you learn something new to get the best output. It quite a complex camera and needs time to understand than the previous models.
Will you be doing an update soon once the new firmware comes out on March 29th?
cheers
Rui,
Thanks for the comments and it’s great to hear your having a time with the A77!! It really is an awesome camera for the money
I was not planning on doing an update, but now that you mention it I just might. I was planning on reviewing the Fuji X-Pro 1, and then the Olympus OM-D, before the new Sony A57 comes out.
Is their anything in particular you were looking for about the update?
I’ll see what I can do!!
Jay
Firmware Update Now Available!!
It’s been reported to me by some readers that the latest firmware update makes the Sony A77 focus much better and more accurately in extreme low light, low detail for focus testing. Check out the testing article over (Click Here) if your interested, but the bottom line is Update your Firmware ASAP A77 Owners!!
Best,
Jay