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Product Description
The Sony Alpha a99 Mark II is an 'SLT' camera which uses a semi-transparent mirror that splits light between the sensor and an AF module near the viewfinder, which differentiates it from a traditional DSLR. The a99 II features a full-frame 42MP BSI CMOS sensor, Hybrid AF system with 399 contrast detect and 79 cross-type hybrid points. The camera can shoot at 12 fps with continuous autofocus and 8 fps with live view and minimal EVF blackout, according to Sony. It can capture 4K video (UHD or Super 35) using the XAVC S codec with bit rates of up to 100Mbps. The a99 II offers both S-Log2 and S-Log3 gammas and can output 4:2:2 4K video over its HDMI port.
The rugged body is weather-sealed and has built-in 5-axis image stabilization (Sony claims a 4.5-stop reduction in shake.) It features a large, high resolution EVF as well as a tilting non-touchscreen LCD.
Our review
Even with its video and autofocus quirks, the a99 II manages to be the world's first all-rounder camera capable of both high-resolution and 12 fps burst shooting with AF. Its unique combination of features means that those who doubted SLT cameras should give the a99 II a closer look.
Good for: High resolution stills shooting in a wide array of situations. Shooters who want both an EVF and dependable battery life.
Key Features
Body type
Body type Mid-size SLR
Sensor
Max resolution 7952 x 5304
Image ratio w:h 3:2, 16:9
Effective pixels 42 megapixels
Sensor photo detectors 44 megapixels
Sensor size Full frame (35.9 x 24 mm)
Sensor type BSI-CMOS
Processor Bionz X
Image
ISO Auto, 100-25600 (expandable to 50-102400)
Boosted ISO (minimum) 50
Boosted ISO (maximum) 102400
White balance presets 10
Custom white balance Yes (3 slots)
Image stabilization Sensor-shift
Image stabilization notes 5-axis for stills and video
Uncompressed format RAW
JPEG quality levels Extra fine, fine, normal
Optics & Focus
Autofocus
Contrast Detect (sensor)
Phase Detect
Multi-area
Center
Selective single-point
Tracking
Single
Continuous
Face Detection
Live View
Manual focus Yes
Number of focus points 399
Lens mount Sony/Minolta Alpha
Focal length multiplier 1×
Screen / viewfinder
Articulated LCD Tilting
Screen size 3″
Screen dots 1,228,800
Touch screen No
Screen type WhiteMagic TFT LCD
Live view Yes
Viewfinder type Electronic
Viewfinder coverage 100%
Viewfinder magnification 0.78×
Viewfinder resolution 2,359,296
Photography features
Minimum shutter speed 30 sec
Maximum shutter speed 1/8000 sec
Aperture priority Yes
Shutter priority Yes
Manual exposure mode Yes
Subject / scene modes No
Built-in flash No
External flash Yes (via hot shoe or flash sync port)
Flash modes Off, auto, fill, slow sync, redeye reduction, rear sync, high-speed sync, wireless
Continuous drive 12.0 fps
Self-timer Yes (2, 5, 10 secs)
Metering modes
Multi
Center-weighted
Highlight-weighted
Spot
Exposure compensation ±5 (at 1/3 EV, 1/2 EV steps)
AE Bracketing ±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
WB Bracketing Yes (3 frames)
Videography features
Format MPEG-4, AVCHD, XAVC S
Modes
3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
3840 x 2160 @ 25p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 60p / 50 Mbps, AVCHD, MTS, H.264, Dolby Digital
1920 x 1080 @ 60i / 24 Mbps, AVCHD, MTS, H.264, Dolby Digital
1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 50p / 28 Mbps, AVCHD, MTS, H.264, Dolby Digital
1920 x 1080 @ 50i / 24 Mbps, AVCHD, MTS, H.264, Dolby Digital
1920 x 1080 @ 30p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 30p / 16 Mbps, AVCHD, MP4, H.264, Dolby Digital
1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 25p / 28 Mbps, AVCHD, MTS, H.264, Dolby Digital
1920 x 1080 @ 25p / 24 Mbps, AVCHD, MTS, H.264, Dolby Digital
1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 24p / 24 Mbps, AVCHD, MTS, H.264, Dolby Digital
Microphone Stereo
Speaker Mono
Storage
Storage types Dual SD/SDHC/SDXC[UHS I]/MS Duo slots
Connectivity
USB USB 2.0 (480 Mbit/sec)
HDMI Yes (micro-HDMI)
Microphone port Yes
Headphone port Yes
Wireless Built-In
Wireless notes 802.11/b/g/n with NFC
Remote control Yes (wired, wireless, or smartphone)
Physical
Environmentally sealed Yes
Battery description NP-FM500H lithium-ion battery & charger
Battery Life (CIPA) 490
Weight (inc. batteries) 849 g (1.87 lb / 29.95 oz)
Dimensions 143 x 104 x 76 mm (5.63 x 4.09 x 2.99″)
Other features
Orientation sensor Yes
GPS None
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