Sony A77

Sony SLT-A77 front
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 16000 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Superseded the Sony A700
  • Newer Model is Sony A77 II
  • Read full specs
  • Alternatives
  • Lenses
  • Size Comparison
  • FAQ

Sony A77 summary

Sony A77 is Sony's Advanced DSLR camera first introduced on October of 2011. It houses a 24 MegaPixel, CMOS APS-C size sensor with a max resolution of 6000 x 4000.

Sony introduced this camera to update the older Sony A700 (Read Full Comparison) and then launched the fresher Sony A77 II (Read Full Comparison) to replace this camera.

The A77 is rated #29 out of 92 in Advanced DSLR cameras and over-all #162 out of 1465 for digital cameras in our collection. You should look at our Advanced camera search to get camera ratings based on your customized criteria.

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Below is a diagram of different factors used in the rating system.

Sony A77 family

The Sony A77 comes with a history of related digital cameras. Underneath, you can discover all older and the latest models along with key specs.

ModelVisualizeResolutionSensor SizeMax fpsReleased
Sony-SLT-A77-II front thumbnailSony A77 II
A77 vs A77 II
24MPAPS-C12.0 fps2014
Sony-SLT-A77 front thumbnailSony A7724MPAPS-C12.0 fps2011
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Sony-Alpha-DSLR-A700 front thumbnailSony A700
A77 vs A700
12MPAPS-C5.0 fps2007

Sony A77 Pros and Cons

Here is a list of pros and cons of the Sony A77 based on factors that are oftentimes considered useful in a camera.

builtin Top display
environment proof
flash built-in
focusing manually
fully articulated screen
good minimum ISO (50)
good resolution screen (921 thousand dot)
good video quality (1920 x 1080 resolution)
great max shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
includes HDMI support
includes microphone jack
interchangeable lenses (Sony/Minolta Alpha mount)
MP count good (24MP)
nice sensor size (APS-C)
pretty good screen size (3 inches)
provides face detect autofocus
selfie friendly display
sensor has phase detect autofocus
supports RAW formats
missing headphone jack
missing Timelapse recording
not so great battery pack (470 shots)
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Sony A77 Sensor specs

The Sony A77 features the Bionz processor chip. The sensor specification on the Sony A77 is 23.5mm x 15.6mm (APS-C). The 367 mm² sensor has the ability to capture 6000 x 4000 pixels with aspect ratios of 3:2 and 16:9. The camera includes Image Stabilization (Sensor based). In body stabilization is more effective than digital stabilization since the latter may produce cropping.

Photography Glossary

The CMOS sensor boasts 24MP and delivers a native ISO range of 50 to 16000. The ISO can also be increased digitally to a maximum of 25600. RAW photos are saved so the user has more margin for error.

The graphic below displays the A77's sensor size when compared to other common sizes. The A77 sensor comes with a crop factor of 1.5 and is outlined in green.

Sony SLT-A77 sensor size Pentax 17 Pre-Orders Outperform Expectations by a Landslide

To get a sense of specific aspect ratios, you should refer to the visual below.

Camera sensor aspect ratios

Sony A77 dimensions

Sony A77 is 1.61 lb (732 grams / 25.82 oz) and the size of the camera is 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2"). The weight of typical Advanced DSLR camera is 776 grams and the Sony A77 is very much the same when compared to its competitors.

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Below is a pic of the Sony A77 with a soda to help you have a sense of its size.

Sony SLT-A77 dimensions scale

The top view here will highlight the button arrangement on the A77.

Sony SLT-A77 topview buttons dials

Sony A77 Lens details

The A77 uses the Sony/Minolta Alpha mount and has 145 lenses available for sale. Here is some of the lenses we have in our collection that will fit the A77.

ModelVisualizeFocal LengthApertureStabilizedWeight
Sigma-18-200mm-F3.5-6.3-DC-Macro-OS-HSM-C-Sony-Alpha lensSigma 18-200mm F3.5-6.3 DC Macro OS HSM C18-200mmf/3.5-6.3 430g
Tamron-SP-AF-200-500mm-F5-6.3-Di-LD-IF-Sony-Alpha lensTamron SP AF 200-500mm F5-6.3 Di LD IF200-500mmf/5.0-6.3 1237g
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Sigma-17-70mm-F2.8-4-DC-MACRO-OS-HSM-C-Sony-Alpha lensSigma 17-70mm F2.8-4 DC MACRO OS HSM C17-70mmf/2.8-4.0 465g
Sigma-24-70mm-F2.8-EX-DG-HSM-Sony-Alpha lensSigma 24-70mm F2.8 EX DG HSM24-70mmf/2.8 790g
Sony-DT-18-70mm-F3.5-5.6 lensSony DT 18-70mm F3.5-5.618-70mmf/3.5-5.6 235g
Sony-DT-11-18mm-F4.5-5.6 lensSony DT 11-18mm F4.5-5.611-18mmf/4.5-5.6 360g
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Sigma-70mm-F2.8-EX-DG-Macro-Sony-Alpha lensSigma 70mm F2.8 EX DG Macro70mmf/2.8 527g
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Sony A77 Connectivity

The A77 has the following connectivity:

  • USB Yes
  • Wireless Yes
  • HDMI Yes
  • GPS Yes

Digital cameras which include NFC or Bluetooth connectivity can be used wirelessly via smartphones. You are able to send pictures and at times alter settings without the hassle of connecting straight with the camera.

A few apps also enable a Liveview and hit the shutter if you are not near the camera. If the camera includes a HDMI out, it can be hooked up to an external display. A lot of cameras will allow you to recharge the battery pack using the USB socket.

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Sony A77 Video details

The max video resolution on the Sony A77 is 1920 x 1080 and it can save in MPEG-4, AVCHD and H.264 format. 1080p resolution offers a decent balance between quality and file size but 1080p is not going to give you much room to downsample. Even though the body includes a microphone port, it is missing a headphone port so you will not be able to check your sound levels.

Photography Glossary

Sony A77 Weather Sealing

Sony A77 features environment proofing which makes it a excellent candidate to use during challenging locations. This can be particularly helpful if you are uncertain about the elements you may face during outdoor photography.

Sony A77 Display and Viewfinder

The Sony A77 is equipped with a 3 inch fully articulated screen with a resolution of 921 thousand dots.

The display is selfie friendly to get self portraits and group photos if needed. Unfortunately the screen is not a touch screen. The A77 also includes a Top display so that you can instantly view camera settings.

Sony SLT-A77 screen and viewfinder Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

The View Finder specs regarding Sony A77 are the following:

  • ViewFinder Electronic
  • Resolution 2,359 thousand dots
  • Coverage 100%
  • Magnification 0.73x

In those bright outdoor situations that make the camera displays washed out and tricky to view, viewfinders are particularly useful.

Sony A77 Shutter details

Sony A77 continuous shooting speed is 12.0 fps. The maximum shutter speed is 1/8000s.

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Sony A77 Flash and Hot shoe details

Sony A77 includes both integrated flash and external flash support. The maximum flash sync speed is 1/250s.

Sony A77 Autofocus details

Sony A77 includes both Phase Detect AF and Contrast Based AF. Phase Detection focusing is more faster & exact compared to Contrast Based focusing. The camera supports Face detect making it valuable for portraits.

It supports 19 focus points to choose from. Sony A77 boasts manual focusing if required during low light occasions or you require more accurate focusing control.

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Sony A77 Battery life

The battery pack (NP-FM500H) on the Sony A77 is built to last for 470 clicks with respect to the CIPA specifications which is less as compared to its competitors. The usual Advanced DSLR camera battery life is 909. Nikon D780 comes with the maximum (2260) battery life within this range of cameras.

Here is a collection of Advanced DSLR cameras that have the highest battery life:

ModelVisualizeBattery LifeRAWNFCBluetooth
Nikon-D780 front thumbnailNikon D780
A77 vs D780
2260 yesnoyes
Nikon-D850 front thumbnailNikon D850
A77 vs D850
1840 yesyesyes
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Nikon-Df front thumbnailNikon Df
A77 vs Df
1400 yesnono
Canon-EOS-90D front thumbnailCanon 90D
A77 vs 90D
1300 yesnoyes
Nikon-D500 front thumbnailNikon D500
A77 vs D500
1240 yesyesyes

Sony A77 for different kinds of photography

The following illustration provides a rundown of the Sony A77 for different kinds of photography. To find out more, have a look at the specific section below.

Sony A77 as a Portrait photography camera

The Sony A77 gets a rating of 78 which is terrific, meaning that it is a tremendous pick to use for portrait images. Shooting portrait images favors heavily to sensor size, RAW support along with the option to utilize external flash.

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focusing manually
MP count decent (24 megapixels)
nice sensor size (APS-C)
offers face detection focus
saves RAW formats

Sony A77 Street photography information

With a nice rating of 75, the Sony A77 is a very decent choice to buy for street photography. A decent street photography camera provides a perfect balance of picture quality and portability.

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screen can move to multiple angles
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
weather proof

Sony A77 Sports photography info

A above average sports photography points total of 74 means the Sony A77 is a very decent choice for taking photos of sports. A camera must have excellent tracking and fast continuous shooting for sports photography.

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high shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based)
decent MP (24 megapixels)
decent sensor size (APS-C)
weather sealing
supports phase detect AF
terrible battery life (470 CIPA)

Sony A77 Travel photography features

Weight is super critical in getting a camera for travel. On the whole, the Sony A77 gets a above average 63 for a travel camera which makes it a very decent pick to purchase for your trips.

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weather sealing
megapixel count decent (24 megapixels)
built-in flash
screen is selfie friendly
doesn't have Time Lapse recording
terrible battery (470 CIPA)

Sony A77 as a Landscape photography camera

If you find yourself planning to choose a camera for landscape photographs, the most critical aspect will be image quality. The Sony A77 at it's very good score of 71 for a landscape camera is a very decent option within the current market.

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manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
good sized screen (3")
has image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is decent (APS-C)
exports RAW formats
weather proofing
not so great battery power (470 shots)
missing Time Lapse function

Sony A77 as a Vlogging camera

A camera for vlogging really should come with a moving display screen, microphone port and ideally image stabilization. Taking everything into account, the Sony A77 is a tremendous choice as a vlog camera as it comes to a impressive rating of 76.

Photography Glossary
screen is selfie friendly
has image stabilization (Sensor based)
offers face detect autofocus
high video quality (1920 x 1080 pxls)
does have mic jack

Sony A77 Alternatives

If you are shopping for replacements to the A77, here is a list of the highest placed cameras that fall under the category of Advanced DSLR.

The line graph listed below offers you a summary of the A77 versus it's top ranked rivals listed previously.

Here are a handful of other cameras you may regard as alternatives. To check out a full comparison, just click on the "compare" link.

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General Information
Model type
Sony SLT-A77
Advanced DSLR
Body design
Mid-size SLR
Sensor Information
Sensor type
Sensor size
Sensor measurements
23.5 x 15.6mm
Sensor surface area
Sensor resolution
24 megapixels
Anti alias filter
Aspect ratio
3:2 and 16:9
Highest Possible resolution
6000 x 4000
RAW files
Maximum native ISO
Maximum enhanced ISO
Min native ISO
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points
Cross type focus points
Lens support
Sony/Minolta Alpha
Available lenses
Focal length multiplier
Range of display
Fully Articulated
Display diagonal
3 inches
Display resolution
921 thousand dot
Selfie friendly
Touch capability
Viewfinder Information
Viewfinder resolution
2,359 thousand dot
Viewfinder coverage
Viewfinder magnification
DXO scores
DXO Overall rating
DXO Color Depth rating
DXO Dynamic range rating
DXO Low light rating
Min shutter speed
30 secs
Max shutter speed
1/8000 secs
Continuous shutter speed
Shutter priority
Aperture priority
Expose Manually
Exposure compensation
Change WB
Image stabilization
Built-in flash
Flash distance
12.00 m
Flash settings
Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Max flash sync
1/250 secs
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions
1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution
Video format
MPEG-4, AVCHD, H.264
Microphone input
Headphone input
Eye-Fi Connected
USB 2.0 (480 Mbit/sec)
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
732 gr (1.61 lb)
Physical dimensions
143 x 104 x 81mm (5.6" x 4.1" x 3.2")
Battery life
470 images
Battery format
Battery Pack
Battery ID
Self timer
Yes (2 or 10 sec)
Time lapse feature
Type of storage
SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots
Retail cost