Review
DSLR / CAMERA REFERENCE
Alpha a99
Sony
Catalogue announcement:
01 / TECHNICAL RECORD
Specifications
Catalogue specifications. Source: DPReview historical specification record ↗.
Sensor and files
- Effective pixels
- 24 megapixels
- Sensor size
- Full frame (35.8 x 23.8 mm)
- Sensor type
- CMOS
- Max resolution
- 6000 x 4000
- ISO
- Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
- Boosted ISO (minimum)
- 50
- Boosted ISO (maximum)
- 25600
- Uncompressed format
- RAW
Lens and focus
- Lens mount
- Sony/Minolta Alpha
- Number of focus points
- 19
- Manual focus
- Yes
- Image stabilization
- Sensor-shift
Exposure and shooting
- Minimum shutter speed
- 30 sec
- Maximum shutter speed
- 1/8000 sec
- Continuous drive
- 6.0 fps
- Exposure compensation
- ±5 (at 1/3 EV, 1/2 EV steps)
- Metering modes
- MultiCenter-weightedSpot
- Aperture priority
- Yes
- Shutter priority
- Yes
- Built-in flash
- No
- External flash
- Yes (via Hot-shoe)
- Timelapse recording
- No
Video and audio
- Resolutions
- 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
- Format
- MPEG-4, AVCHD, H.264
- Microphone
- Stereo
- Speaker
- Mono
Viewfinder and screen
- Viewfinder type
- Electronic
- Viewfinder coverage
- 100%
- Viewfinder magnification
- 0.71×
- Screen size
- 3″
- Screen dots
- 1,229,000
- Articulated LCD
- Fully articulated
- Touch screen
- No
Body and connections
- Storage types
- Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
- Battery description
- Lithium-Ion NP-FM500H rechargeable battery & charger
- Battery Life (CIPA)
- 500
- Weight (inc. batteries)
- 812 g (1.79 lb / 28.64 oz)
- Dimensions
- 147 x 111 x 78 mm (5.79 x 4.37 x 3.07″)
- Environmentally sealed
- Yes (Dust and moisture resistant)
- USB
- USB 2.0 (480 Mbit/sec)
- HDMI
- Yes (mini HDMI Type C)
- Remote control
- Yes (Wired or Wireless (Optional))
02 / INDEPENDENT COVERAGE
Reviews and field reports
03 / PROVENANCE
Sources and dates
A catalogue year identifies the year held in the source dataset. Announcement dates and retail months are labelled separately. Specifications can vary by region, firmware and recording mode; use the linked manufacturer documentation for those conditions.
Archive updated 2026-10-04. Archive coverage and dataset credits →