Camera Accessories
Telescope Primary Mirror Sub Mirror Holder Secondary Mirror Base 3d Printing 150mm 35mm Secondary Astronomical Telescope(Beige)
It is matched with 200*4mm PVC sewer pipe. The main mirror is not included in the kit. Used for DIY150/750 counter binoculars. It can adjust eyepiece location;help you to get more sharp image. Application:Support all types of telescopes, reflector,...
https://www.bizrate.co.uk/cameraaccessories/telescope-primary-mirror-sub-mirror-oid40261878270.html