Pocket door guides bottom-- standard 0.965 inch diameter fits for 0.965 inch eyepiece and telescope .
Star telescope-- wide 90 degree angle allows you to view the correct images from the refractor telescope stand and just look down at a comfortable angle.
Star mirror diagonal-- it is manufactured with professional technology to ensure the of the product and can work for a long time.
Zenith mirror-- this is a great diagonal for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes.
Telescope star diagonal-- with this diagonal you can match the orientation of the star field with "correct" star maps and charts. it produces an images that is oriented properly, which means that the images is upright but reversed from left to right.