Telecentric Lens Systems

Telecentric lens systems from BelOptik extend the primary focal length of the telescope similar as a Barlow lens and collimating the beam path simultaneously. They can be used to raise the necessary aperture ratio of f30 for H-alpha filter systems. In addition, I can note back focus in production for the necessary light path of a binoviewer.

2x telecentric lens system with 1.25"/T2 male (example)

Usual extension factor are
Other sizes such as example 2.5x or 3.8x or 5x are possible.

Manufacturing on request
Price 345,- EUR with T2 male thread*
        495,- EUR with SC male thread**

* up to 38mm free aperture
** up to 46mm free aperture