Under the TS Optics brand you will find numerous optics from major manufacturers such as GSO, but also many in-house developed products and useful accessories.
TS Optics
Collimation cap for Newtonian telescopes 1.25"
$ 13.90
ready for shipping in 24
h
TS Optics
Additional module for LED collimator
$ 92.00
ready for shipping in 1-2
weeks