Shapes:
- Plano-convex
- Plano-concave
Items can be produced in accordance with ISO10110, ISO1101, DIN3140, MIL-O13830.
Materials:
- Optical glass - Schott, Ohara, Corning, Hoya
There are always more than 35 Schott glass types on stock.
- Fused silica
Dimensions:on request
Thickness tolerance: +/- 0,05 mm
Radii tolerance: +/- 2 %
Surface accuracy
X- direction(per 25 mm@632,8 nm): Lambda/2 - standard, Lambda/4 - high precision.
Y- direction(per 25 mm@632,8 nm): 2Lambda - standard, 1Lambda - high precision.
Surface cosmetic quality: 60-40 MIL-O-13830A- standard, 20-10 MIL-O13830A - high precision
Centration: 3 arc min
Coating: on request