Feature

●The Vartinov Mask Features: This mask eliminates the guesswork from focusing matching, overcoming visual conditions and provides optimal focus on your telescope quickly and easily
●3 METAL POSTS: The mask has 3 metal posts to hold the telescope tube gently and securely. 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
●Wide application: Works with all types of telescopes, mirrors and refractors for Dobsonian, Mak Cas and SCT All you need to do is measure your telescope tube and choose the right mask size
●POST MOUNTING AND LIGHTWEIGHT DESIGN: Thanks to this 3-post mount it will stay in the center while allowing it to fit a wider range of telescopes. The Vertinov Focus Mask for Telescope 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 60-90mm (manual measurement, there may be a 0.04-0.08 inch (1-2 mm) error)


Description

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Bartynov Mask Features

This mask eliminates the guesswork from focusing matching, overcoming visual conditions and provides optimal focus on your telescope quickly and easily.

Wide Application

Works with all types of telescopes, mirrors, and refractors for Dobsonian, Mak Cas, and SCTAll you need to do is measure your telescope tube and choose the right mask size.

Post mounting and lightweight design

Thanks to this 3-post mount, the mask stays in the center while allowing it to fit a wider range of telescopes.The Vertinov Focus Mask for Telescope is lightweight and will not break the balance of your scope.

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Specifications

  • Item Type: Telescope Focus Mask
  • Material: Acrylic
  • Thickness: about 2mm/0.08in
  • Color: as picture
  • Weight: Approx. 0.7 oz (21 g).
  • The scope of the outer diameter of the telescope objective lens is supported: about 2.4 - 3.5 inches (60 - 90
Package List:

1 x Batinov Mask 3 x Mounting Accessories

3 metal posts

The mask features 3 metal posts that gently and securely hold the telescope tube.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.

Applicable Sizes:

The outer diameter of the verchinofs mask supports the telescope objective lens from 60-90mm (manual measurement may have 1-2mm error).