Finder Group Eyecup 2 & Dioptric Correction Lenses 2
| Summary | Main Characteristics | Notes - Related Units |
| The Eyecup 2 prevents scratching the
photographer's glasses. The Dioptric Correction Lenses 2 are available for adjustment of individual eye acuity. |
The photographer can observe a clear
viewfinder image when he inserts the optimum Dioptric
Correction Lens into the inner socket of the Eyecup. The eight Dioptric Correction Lenses available include +2, +1, 0 diopters for long sight and -1, -2, -3, -4 and -5 for short sight. |
The number engraved on each Dioptric Correction Lens indicates the final diopter in conjunction with the OM body. |
| Number engraved on Dioptric Correction Lens (final diopter in comjunction with OM body) |
Initial diopter of each Dioptric Correction Lens | Application |
| +2 | +4 | Hyperopes & presbyopes (or those who wear glasses of visual acuity from +4 to +2 diopter or glasses of focal length from +10 to +20 in.) |
| +1 | +3 | |
| 0 | +2 | |
| -1 | +1 | Slight myopes (with glasses of from +1 to -1 diopter or +40 to -40 in.) |
| -2 | 0 | |
| -3 | -1 | |
| -4 | -2 | Medium myopes (with glasses of from -2 to -3 diopter or -20 to -15 in.) |
| -5 | -3 |