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Sony Alpha a99 review

Sony gets back in the full-frame game

As part of our image quality testing for the Sony Alpha a99, we've shot our resolution chart.

If you view our crops of the resolution chart's central section at 100% (or Actual Pixels) you will see that, for example, at ISO 50 the Sony Alpha a99 is capable of resolving up to around 28 (line widths per picture height x100) in its highest quality JPEG files.

For a full explanation of what our resolution charts mean, and how to read them, check out our full explanation of our camera testing resolution charts.

Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:

JPEG

Sony Alpha a99 review

Sony Alpha a99 review

ISO 50, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 100, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 200, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 400, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 800, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 1600, score: 26 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 3200, score: 26 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 6400, score: 24 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 12800, score: 22 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 25600, score: 20 (Click here to see the full resolution image)

Raw

Sony Alpha a99 review

ISO 50, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 100, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 200, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 400, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 800, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 1600, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 3200, score: 28 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 6400, score: 26 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 12800, score: 24 (Click here to see the full resolution image)

Sony Alpha a99 review

ISO 25600, score: 20 (Click here to see the full resolution image)

Tech Specs

Product TypeDigital SLT Camera
Battery Size SupportedProprietary Battery Size
Green CompliantYes
Maximum Video Resolution1920 x 1080
TouchscreenNo
Effective Camera Resolution24.3 Megapixel
GPSYes
USBYes
PictBridgeNo
Image StabilizationOptical
Brand NameSony
DurabilityDust Resistant, Moisture Resistant
FeaturesSelf-timer, Live View, Continuous Shooting Mode, Orientation Sensor, Noise Reduction, External Flash Shoe
Screen Size7.6 cm (3")
Video FormatsAVCHD, MP4, MPEG-4, MPEG-4 AVC
Viewfinder TypeElectronic
Weight (Approximate)733 g
Green Compliance Certificate/AuthorityErP, REACH, WEEE
Flash Memory CapacityNo
Maximum Image Resolution6000 x 4000
Maximum Frame Rate60 fps
Number of Batteries Supported1
Battery Built-inNo
Battery RechargeableYes
Battery IncludedYes
Display Screen TypeLCD
Image Sensor TypeCMOS
Total Camera Resolution24.7 Megapixel
HDMIYes
Camera AssemblyBody Only
HD Movie ModeYes
Battery Model SupportedNP-FM500H
Memory Card SupportedMemory Stick PRO Duo, Memory Stick PRO-HG Duo, Secure Digital (SD) Card, Secure Digital High Capacity (SDHC) Card, Secure Digital Extended Capacity (SDXC)
Height111.2 mm
Width147 mm
Depth78.4 mm
Autofocus Points19
Image FormatsJPEG, RAW
Audio FormatsAC3, AAC-LC
Focus ModesManual, Auto
ManufacturerSony Corporation
Product ModelSLT-A99V
Product NameA99 Translucent Mirror Interchangeable Lens Camera
Aspect Ratio16:9
Manufacturer Part NumberSLTA99VCE
Manufacturer Website Addresshttp://www.sony.co.uk
Marketing Information

It's enough to please the toughest of photo editors, with results in every frame. A full-frame sensor with Translucent Mirror technology is more of everything, the kind of detail, colour and tone you need for demanding tasks. It goes far beyond the limits of your DSLR camera.

Battery Life500 Shot
Package Contents
  • A99 Translucent Mirror Interchangeable Lens Camera
  • NP-FM500H InfoLITHIUM Battery
Display Resolution1228800 Pixel
Limited Warranty1 Year
Built-in DevicesSpeaker, Microphone