The maximized model with additional focussing device and 89 single-step diopter values.Specs:
- Corrective lenses for 89 diopter values Plus 1-45 in single steps Minus 1-44 in single steps
- Easy-to-operate aperture hand-wheel with semi-circle, small/medium/large circle, fixation star, slit and grid
- Includes filter wheel engageable for all apertures with symbol display, red-free filter, blue filter and polarization filter
- Focussing device with zero retention force for the quick correction of ametropias.
- Dust-proof |