This manual explains how to install the Ricoh GR A12 50mm F2.5 macro lens onto a compatible camera body, lists the items included in the package, and details important safety warnings to prevent injury or damage. It also describes the lens components and how to handle the lens safely.
The guide covers photography modes, exposure settings, focus adjustments, and detailed specifications such as focal length, aperture range, and digital zoom. It includes maintenance, storage recommendations, after‑sales service contacts, and warranty conditions. This manual is written in Chinese.
| Effective Pixels | ≈12.3 MP |
|---|---|
| Image Sensor Size | 23.6 mm × 15.7 mm CMOS |
| Focal Length (35 mm equivalent) | 50 mm |
| Maximum Aperture | f/2.5 |
| Focus Range (normal) | ≈30 cm to infinity |
| Focus Range (macro) | ≈7 cm (0.5× optical zoom) |
| Lens Construction | 8 groups 9 elements (1 aspherical double‑sided) |
| Filter Diameter | 40.5 mm |
| Digital Zoom (photo) | 4.0× |
| Digital Zoom (animation) | 3.6× |
The filter diameter is 40.5 mm.