Collimation screws for the lens cell

Many telescopes do not come with collimation screws from the factory for adjusting the lens cell.

For example, on some models, we cut three M5 threads offset by 120° and use grub screws for collimation.

More at: http://www.teleskop-spezialisten.de/shop/Ueber-uns:::12.html?XTCsid=7eea84e6f977c42d8a586e0e0c291707