Full info at MeikeGlobal.
Meike 3.5mm f/2.8 key features:
- Focal Length: 3.5mm
- Lens Construction: 10 elements in 7 groups
- Maximum Aperture: f/2.8
- Minimum Aperture: f/16
- Focusing: Manual Focus
- Minimum Focus Distance: 9.5cm
- Field of View (Micro Four Thirds): Diagonal 220° Horizontal 220° Vertical 220°
- Weight: Approx. 190g
via ePhotozine