Review
Mirrorless / CAMERA REFERENCE
M1
YI
Catalogue announcement:
01 / TECHNICAL RECORD
Specifications
Catalogue specifications. Source: DPReview historical specification record ↗.
Sensor and files
- Effective pixels
- 20 megapixels
- Sensor size
- Four Thirds (17.3 x 13 mm)
- Sensor type
- CMOS
- Max resolution
- 5184 x 3888
- ISO
- Auto, 100-25600
- Uncompressed format
- RAW
Lens and focus
- Lens mount
- Micro Four Thirds
- Number of focus points
- 81
- Manual focus
- Yes
- Image stabilization
- No
Exposure and shooting
- Minimum shutter speed
- 60 sec
- Maximum shutter speed
- 1/4000 sec
- Continuous drive
- 5.0 fps
- Exposure compensation
- ±5 (at 1/3 EV steps)
- Metering modes
- MultiCenter-weightedSpot
- Aperture priority
- Yes
- Shutter priority
- Yes
- Built-in flash
- No
- External flash
- Yes (Hot-Shoe)
- Timelapse recording
- Yes (MP4)
Video and audio
- Format
- MPEG-4, H.264
- Microphone
- Stereo
- Microphone port
- No
- Headphone port
- No
- Speaker
- Mono
Viewfinder and screen
- Viewfinder type
- None
- Screen size
- 3″
- Screen dots
- 1,040,000
- Articulated LCD
- Fixed
- Touch screen
- Yes
Body and connections
- Storage types
- SD/SDHC/SDXC card
- Battery description
- BXM-10 lithium-ion battery & charger
- Battery Life (CIPA)
- 450
- Weight (inc. batteries)
- 281 g (0.62 lb / 9.91 oz)
- Dimensions
- 114 x 64 x 34 mm (4.49 x 2.52 x 1.34″)
- Environmentally sealed
- No
- USB
- USB 2.0 (480 Mbit/sec)
- HDMI
- Yes (Micro HDMI)
- Wireless
- Built-In
- Remote control
- Yes (via smartphone)
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 →