description Sony Alpha a99 II Overview
The Sony Alpha a99 II is a full-frame digital camera released in 2016 as the successor to the original a99. Featuring a 42.4-megapixel back-illuminated CMOS sensor, this camera represents Sony's high-end offering in their A-mount system, which predates their more widely adopted E-mount mirrorless system. The a99 II captures 4K video and incorporates a hybrid autofocus system combining phase-detection and contrast-detection for improved focusing performance. With its A-mount design, the camera maintains compatibility with Sony's A-mount lens ecosystem and includes an in-body image stabilization system, allowing stabilization with any mounted lens.
insights Ranking position
Sony Alpha a99 II ranks #27 of 47 in the Mirrorless Camera ranking, behind Panasonic Lumix GX9, ahead of Canon EOS R10.
balance Sony Alpha a99 II Pros & Cons
- Excellent 42.4MP image sensor
- Fast hybrid autofocus
- High-quality 4K video
- Heavy bulky body
- Limited A-mount lens selection
- Short battery life
help Sony Alpha a99 II FAQ
Is the Sony a99 II a true mirrorless camera?
No, despite having some advanced hybrid autofocus technologies, the Sony a99 II is actually an A-mount DSLT (Digital Single Lens Translucent) camera. It uses a fixed semi-transparent mirror rather than being fully mirrorless like Sony's popular E-mount cameras. This allows it to offer incredibly fast phase-detect autofocus.
What is the resolution of the Sony a99 II sensor?
The camera features a massive 42.4-megapixel full-frame Exmor R CMOS sensor, which provides extraordinary detail for professional photography. It was one of the highest-resolution full-frame sensors on the market when it was released in 2016. This makes it highly capable for landscape, studio, and commercial work.
Can the Sony a99 II shoot 4K video internally?
Yes, the a99 II is capable of recording professional-quality 4K video directly to an internal SD card without requiring an external recorder. It utilizes the full pixel readout of the sensor to produce highly detailed, low-noise footage. It also includes features like S-Log3 for maximum dynamic range during post-production.
Can I use Sony E-mount lenses on the a99 II?
No, the a99 II uses the older Sony A-mount system, which has a longer flange distance than the mirrorless E-mount system. To use modern E-mount lenses, you would need to use an adapter like the Sony LA-EA5. Native A-mount lenses are becoming increasingly rare as Sony has shifted focus entirely to mirrorless systems.
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