Adaptor 50.8 (external) to 31.7 (internal) with zero light pass and 2" internal filter thread
(-Lacerta: A508317null)
35.00 EUR
Lacerta OCTO-PLUS 2 inch focuser for Newton (guided on 8 pcs bearing, with 1:10 microfocus, 2" CenterLock eyepiece-holder)
(--Lacerta hot product: OctoPlus508N)
439.90 EUR