MICRO FOUR THIRDS LENSES
| Model | 8.5mm F2.8 | 12mm F1.8 | 25mm F1.8 |
|---|---|---|---|
| Mount | Micro Four Thirds | Micro Four Thirds | Micro Four Thirds |
| Focal Length | 8.5mm (35mm Equivalent Focal length: 17mm) |
12mm (35mm Equivalent Focal length: 24mm) |
25mm (35mm Equivalent Focal length: 50mm) |
| F/T-number | F2.8/T3.0 | F1.8/T1.9 | F1.8/T1.9TV |
| Distortion (TV) |
0.12% | 0.59% | -0.57% |
| Minimum Aperture | F16/T17 | F16/T17 | F16/T17 |
| Lens Construction | 17 Elements in 14 Groups | 12 Elements in 10 Groups | 8 Elements in 6 Groups |
| Angle of View (degree) |
93.5°(H）×77.1°(V）×106.0°(D) | 74.9°(H）×59.6°(V）×86.8°(D) | 40.9°(H）×31.1°(V）×50．2°(D） |
| Iris | 9 (Circular Aperture) |
9 (Circular Aperture) |
9 (Circular Aperture) |
| Minimum Focusing Distance |
0.2m | 0.2m | 0.25m |
| Maximum Image Magnification |
0.08x | 0.1x | 0.15x |
| Minimum Field Size | 239mm×179mm | 182mm×136mm | 125mm×93mm |
| Filter Thread | φ86mm (attach to lens hood) |
φ72mm | φ55mm |
| Diameter x Length | φ71.5×86.8mm (excluding the lens hood) |
φ76.5×90.5mm (excluding the lens hood) |
φ60×94mm (excluding the lens hood) |
| Weight | 475g (excluding the lens hood) |
441g (excluding the lens hood) |
400g (excluding the lens hood) |
[Note] Some lenses of the micro four thirds system standard may not be mounted to the camera.
