Feature

●Wide application: Works with all types of telescopes, mirrors, refractor telescopes, dobsonian telescopes, maccass, SCT All you need to do is measure your telescope tube size and choose the right mask size
●Bahtinov Mask Function: Mask removes focus from guesswork and overcomes vision conditions, giving your telescope a quick and easy focus
●3 Metal Posts: The mask grips the telescope tube gently and securely with three metal posts. These metal posts have a scratch-resistant silicone cover to protect the surface of your telescope. This helps prevent slipping while keeping the mask perfectly centered
●AFTER INSTALLATION AND LIGHTWEIGHT DESIGN: Thanks to this 3-post mount, the mask stays centered and fits a wider range of telescopes. The Verchinof Focus Mask for Telescopes is lightweight and will not break the balance of your scope
●Applicable Size: The outer diameter of the verchinof mask supports the objective lens of the telescope from 2.4 to 3.5 inches (60 to 90 mm) (manual measurement may have 1 to 2 mm) error)


Description

Specifications:
Item Type: Telescope Focus Mask
Material: Acrylic
Thickness: Approx. 2mm / 0.08in
Color: as picture
Weight: approx. 21g / 0.7oz
The outer diameter size range of the telescope objective lens is supported: approx. 2.4 - 3.5 inches (60 - 90 mm) (Manual measurement may have 1 - 2 mm) error)


Package List:
1 x Bar Chino Mask
3 x Mounting accessories