Mirrorless / CAMERA REFERENCE
GXR GR Lens A12 28mm F2.5
Ricoh
Catalogue announcement:
01 / TECHNICAL RECORD
Specifications
Catalogue specifications. Source: DPReview historical specification record ↗.
Sensor and files
- Effective pixels
- 12 megapixels
- Sensor size
- APS-C (23.6 x 15.7 mm)
- Sensor type
- CMOS
- Max resolution
- 4288 x 2848
- ISO
- Auto, Auto-Hi, 200, 400, 800,1600, 3200
- Uncompressed format
- RAW
Lens and focus
- Focal length (equiv.)
- 28 mm
- Maximum aperture
- F2.5
- Optical zoom
- 1×
- Manual focus
- Yes
- Image stabilization
- No
Exposure and shooting
- Minimum shutter speed
- 180 sec
- Maximum shutter speed
- 1/3200 sec
- Continuous drive
- 5.0 fps
- Exposure compensation
- ±4 (at 1/3 EV, 1/2 EV steps)
- Metering modes
- MultiCenter-weightedSpot
- Aperture priority
- Yes
- Shutter priority
- Yes
- Built-in flash
- Yes (Pop-up)
- External flash
- Yes (Hot-shoe)
- Timelapse recording
- Yes
Video and audio
- Resolutions
- 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps)
- Format
- MPEG-4
- Microphone
- Mono
Viewfinder and screen
- Viewfinder type
- Electronic (optional)
- Screen size
- 3″
- Screen dots
- 920,000
- Articulated LCD
- Fixed
- Touch screen
- No
Body and connections
- Storage types
- SD/SDHC, Internal
- Battery description
- Lithium-Ion DB-90 rechargeable battery & charger
- Battery Life (CIPA)
- 320
- Weight (inc. batteries)
- 140 g (0.31 lb / 4.94 oz)
- Dimensions
- 113 x 70 x 56 mm (4.45 x 2.76 x 2.2″)
- Environmentally sealed
- No
- USB
- USB 2.0 (480 Mbit/sec)
- HDMI
- Yes (Mini HDMI Type C)
- Remote control
- Yes
02 / INDEPENDENT COVERAGE
Reviews and field reports
An independent review has not yet been added to this record.
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 →