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Sony SLT Alpha 77 Specs and Scores

Storage & Battery
Sony SLT Alpha 77
SLT Alpha 77
Refers to the year this camera was officially made available for sale.
Announcement Date
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
August 24, 2011
Camera Type
Camera Size
Camera Weight

The Sony SLT Alpha 77 receives a score of 62/100. Released in 2011, this DSLR camera initially cost $1399. It measures 143 x 104 x 81mm and weighs 732g (1.61lbs). Considering its age, the Alpha 77 still holds up well in today’s market. However, newer and more advanced cameras have since been released, offering improved features and specifications. The Alpha 77 remains a reliable option for those seeking a solid DSLR camera without needing the latest technology.

Sony SLT Alpha 77 Overview and Optics

The optics of the Sony SLT Alpha 77 receive a score of 70/100. This camera features a 24.3-megapixel APS-C CMOS sensor, paired with a Bionz processor. The lens mount is Sony Alpha DT, and the camera has built-in image stabilization. With a shooting speed of 12 frames per second and an aspect ratio of 3:2, the Alpha 77 is capable of capturing high-quality images.

In today’s market, the Sony SLT Alpha 77 holds its own with a DXOMARK sensor score of 78. The combination of a high-resolution sensor, fast shooting speed, and image stabilization ensures that this camera delivers sharp, detailed images. The Sony Alpha DT lens mount offers a wide range of compatible lenses, further enhancing the camera’s versatility.

While there are newer cameras with more advanced features, the Sony SLT Alpha 77 remains a solid choice for photographers seeking a reliable, high-performing camera with good optics. Its specifications ensure that it can still produce quality images in various shooting situations, making it a worthwhile consideration for enthusiasts and professionals alike.

The higher the number of megapixels, the more detail the cameras sensor can capture.
24.3 MP
Image Resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
6000 x 4000 px
Sensor Type
The camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality.
Sensor Size
The sensor size contributes to the overall quality as well as the dynamic and tonal range a camera can capture. As a rule of thumb, the more surface there is to read the light, the more information it will capture.
15.6 x 23.5 mm
Sensor Format
Refers to the most commonly used sensor sizes.
Frame Rate
The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode.
12 fps
Lens Mount
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Sony Alpha DT
Image Processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Aspect Ratio
The aspect ratio refers to the proportional difference between width and height. The most popular aspect ratios are 3:2 and 4:3.
Minimum ISO (Native)
Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image.
Maximum ISO (Native)
Refers to the highest native (or 'base') ISO setting. Higher ISO is necessary for low-light situations or night photography, but higher ISOs often introduce grain or noise.
Minimum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Maximum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Minimum Shutter Speed
The minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory.
30 s
Maximum Shutter Speed
The maximum shutter speed tells you the length inside 1 second the camera will capture. These can sometimes be extended with accessories such as extra external batteries.
1/ 8000 s
Autofocus Points
Autofocus points show where the camera is focusing graphically as squares or brackets in Live View or on an electronic viewfinder. These points are also used for light meter readings.
In-body Stabilization
In-body Stabilization means the camera has a certain technology embedded that counteracts camera shake.
Viewfinder Type
The viewfinder type is either electronic or optical. Electronic viewfinders will have a small screen in the viewfinder. Optical viewfinders will use prisms and mirrors to look through the lens.
Viewfinder Resolution
2,359,000 dots

Sony SLT Alpha 77 Video Performance

The Sony SLT Alpha 77 receives a video score of 56/100. It offers Full HD video resolution with maximum dimensions of 1920 x 1080 pixels. The camera supports a maximum video frame rate of 60fps, which allows for smooth and clear footage. However, it lacks built-in time-lapse functionality, which is a feature many modern cameras include.

Given today’s market, the Sony SLT Alpha 77’s video capabilities may not be the most competitive. Many cameras now offer 4K resolution and additional features such as time-lapse. The Alpha 77’s Full HD resolution and 60fps frame rate are satisfactory for casual users, but professionals and enthusiasts may seek more advanced options.

The Sony SLT Alpha 77 has decent video capabilities, but it falls short in comparison to other cameras in its class. Its Full HD resolution and 60fps frame rate are acceptable, but the lack of time-lapse functionality may be a drawback for some users.

Indicates if this camera is capable of recording video.
Max Video Resolution
The best resolution this camera can capture video in. Modern cameras can capture up to 8K video.
Full HD
Max Video Dimensions
Video resolution measured by the greatest number of pixels possible in each frame, width by height. A higher resolution means more detail or clarity in your video.
1920 x 1080 px
Max Video Frame Rate
How many frames per second your video will capture. Most cameras have options for multiple frame rates, depending on the resolution you shoot in. For a general video, 24p or 30p is the standard, but more serious filmmakers may need a higher frame rate for creative effect.
60 p
Time-Lapse Built In
A built in time-lapse mode will allow continuous shooting throughout a prolonged period of time to be compressed into a sped up video.
Video File Format
Different cameras can record in various video file formats. The File format you record in can impact how you edit and use the files.

Sony SLT Alpha 77 Features and Benefits

The Sony SLT Alpha 77 features a score of 54/100, showcasing its performance among the current market offerings. With a 3-inch screen, the camera provides a resolution of 921,000 dots. Unfortunately, it lacks a touchscreen, but it compensates with a flip screen. The camera includes GPS and WIFI, but it does not support Bluetooth connectivity.

Comparing to other cameras in today’s market, the Alpha 77’s specifications are decent but not outstanding. The absence of a touchscreen might be a downside for some users, while the presence of GPS and WIFI adds value. However, the lack of Bluetooth connectivity could be an inconvenience to those who prefer wireless connections.

Taking all these factors into account, the Sony SLT Alpha 77 offers a fair set of features that cater to various user preferences. While it may not be the most advanced camera on the market, it still holds its own with a combination of useful functionalities.

Built-in Flash
A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it.
External Flash
External flashes are often connected through a hot shoe at the top of a camera, or a cable at the side of the camera.
GPS features in a camera will include location metadata to each of your photographs.
Weather Sealing
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
Screen Type
Touch Screen
Touchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons.
Screen Size
Screen Resolution
Screen dots indicate the resolution of the LCD screen by including each sub pixel.
921,000 dots
Flip Screen
A flip screen (or articulating screen) is a second screen which can flip out from the side or top of the camera. This rotating screen allows you more freedom to take photos at different angles.
Live View
Live View feature allows you to see a continuous live video of what is being seen through your lens.
Bluetooth capabilities allow you wireless control of your camera with other external devices.

Sony SLT Alpha 77 Storage and Battery

The Sony SLT Alpha 77 scores 27/100 in storage and battery. This camera has one memory card slot, which accepts SD, SDHC, SDXC, Memory Stick Pro Duo, and Pro-HG Duo cards. In today’s market, having only a single memory card slot may be considered limiting for some users, as dual card slots offer more storage and backup options.

The battery life of the Alpha 77 lasts for 470 shots, using the NP-FM500H battery type. This battery life is relatively low compared to other cameras in its class. Additionally, the camera lacks USB charging capabilities, which could be inconvenient for users who need to charge on the go.

Taking these factors into consideration, the storage and battery capabilities of the Sony SLT Alpha 77 fall short in comparison to newer models in the market. Users seeking more advanced storage and battery options may want to explore other camera options.

Storage and Battery
Storage and Battery
Memory Card
SD / SDHC / SDXC, Memory Stick Pro Duo / Pro-HG Duo
Dual Memory Card Slots
Battery Type
Battery Life
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
470 shots
USB Charging
Sensor scores tested by DXOMARK
Overall Score
DXOMARK overall sensor score.
Portrait (Color Depth)
As described by DXOMARK 'The Portrait score in our camera sensor reviews defines color depth performance and its unit is a number of bits. A color depth of 22 bits is excellent; differences below 1 bit are barely noticeable.'
24 bits
Landscape (Dynamic Range)
As described by DXOMARK 'The Landscape score in our camera sensor tests defines the maximum dynamic range of the camera sensor and its unit is an exposure value (EV). A value of 12 EV is excellent with differences below 0.5 EV usually not noticeable.'
13.2 EVs
Sports (Low-Light ISO)
Described by DXOMARK as 'The maximal value of ISO sensitivity needed to reach a given value of Signal-to-Noise Ratio (SNR). The greater the value, the better'
User Scores
B&H photo video

Sony SLT Alpha 77 Alternatives

Do you want to know how the Sony SLT Alpha 77 compares to its competitors? Have a look at the most popular comparisons for this camera below:

Sony SLT Alpha 77 photographed on a colored background

Sony SLT Alpha 77 FAQ

Does the Sony SLT Alpha 77 Have Built-in Image Stabilization?

Yes, the Sony SLT Alpha 77 features built-in SteadyShot image stabilization, which helps to reduce camera shake and produce sharper images in various shooting conditions.

Does the Sony SLT Alpha 77 Support 4K Video Recording?

No, the Sony SLT Alpha 77 does not support 4K video recording. The maximum video resolution it can capture is Full HD 1080p at 60fps.

What Size Sensor Does The Sony SLT Alpha 77 Have?

The Sony SLT Alpha 77 is equipped with an APS-C sized sensor, which offers a good balance between image quality and camera size, making it suitable for various photography styles.

Does the Sony SLT Alpha 77 Have a Dual Memory Card Slot?

No, the Sony SLT Alpha 77 features only a single memory card slot, which supports SD, SDHC, and SDXC cards for storage.

Does the Sony SLT Alpha 77 Have a Touch Screen?

No, the Sony SLT Alpha 77 does not have a touch screen. However, it does feature a fully articulating 3-inch LCD screen for easy framing and reviewing of images.

Does the Sony SLT Alpha 77 Have Wi-Fi and Bluetooth?

The Sony SLT Alpha 77 has built-in Wi-Fi for wireless image transfer and remote control, but it does not have Bluetooth connectivity.

Does the Sony SLT Alpha 77 Have GPS?

Yes, the Sony SLT Alpha 77 comes with a built-in GPS feature, which allows for easy geotagging of images and tracking of shooting locations.

Is the Sony SLT Alpha 77 Weather Sealed?

Yes, the Sony SLT Alpha 77 is weather-sealed, which provides protection against dust and moisture, making it suitable for use in various outdoor conditions.

Does the Sony SLT Alpha 77 Have a Built-in Flash?

Yes, the Sony SLT Alpha 77 has a built-in pop-up flash, which is useful for providing additional light in low-light situations or as a fill flash in harsh lighting conditions.

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