Optical filters, such as ITF replacement, UV/IRcutKG3 filters,
ERF prefilter
Custom built devices
Repair service for air gap Fabry-Perot resonators or etalons, all brands
Devices & accessories for solar observation

Please note, from 5th October '22 the shop will be temporarily closed due to relocation.

Picture from Martin Fiedler (Radebeul)
Picture from Jean-Paul Roux (FR)
Triple band pass ERF pre-filter
2inch telecentric lens assembly
Picture from Martin Fiedler (Radebeul)
Auxiliary lens with cone baffle

 Please understand that I don't have a web shop and I accept orders via phone, email and contact form.


BelOptik Oliver Smie

Temporarily closed due to relocation

cell phone:   +49 178 969 09 83

email:  o l i v e r . s m i e  @  b e l o p t i k . d e

               or via  contact form