Spheres
Molded lenses
- Production method:
- Molding
- Materials:
- B270, F2, Borosilicate glass 3.3, Doctan, further optical and technical glass qualities upon request
- Types:
- biconvex, planoconvex, biconcave, planoconcave and meniscusses
- Typical quantities:
- > 500 pcs.
- Dimensions:
- ø 5 - 165 mm
- Contour tolerances / Surface accuracy error:
4 µm Peak-to-Valley (as a function of diameter, e.g. ø 50 mm ± 5 µm)
Ground and polished lenses
- Production method:
- Grinding and polishing
- Materials:
- virtually all optical glass qualities, color and filter glass, glass ceramics, and quartz
- Types:
- biconvex, planoconvex, biconcave, planoconcave and meniscusses
- Typical quantities:
- > 100 pcs.
- Dimensions:
- ø 3 - 100 mm
- Contour tolerances / Surface accuracy error:
to λ/4
