Denash Bahtinov Mask Focusing Mask for Telescopes, 120 to 160mm Acrylic, Manual Focus, Telescope Accessory, Black

Description

• Wide Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for , all you need to do is measure your telescope tube size and choose the appropriate mask size.
• Good Functions: The mask takes the guesswork out of focusing and even overcomes vision conditions to give your telescope the best focus quickly and easily.
• Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts come with scratch silicone covers to your telescope This prevents slippage while keeping the mask perfectly centered.
• Post Installation and Lightweight Design: Thanks to this 3 post mount, the mask remains centered while fitting a wider range of telescopes. The bahtinov focus mask for telescopes is lightweight so you won't upset the balance of the scope.
• Applicable Size: The outer diameter of the bahtinov mask supports the telescope objective lens in the range of 120 to 160mm (there is a 12mm error in manual measurement).

1. Wide Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for , all you need to do is measure your telescope tube size and choose the appropriate mask size.
2. Good Functions: The mask takes the guesswork out of focusing and even overcomes vision conditions to give your telescope the best focus quickly and easily.
3. Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts come with scratch silicone covers to your telescope This prevents slippage while keeping the mask perfectly centered.
4. Post Installation and Lightweight Design: Thanks to this 3 post mount, the mask remains centered while fitting a wider range of telescopes. The bahtinov focus mask for telescopes is lightweight so you won't upset the balance of the scope.
5. Applicable Size: The outer diameter of the bahtinov mask supports the telescope objective lens in the range of 120 to 160mm (there is a 12mm error in manual measurement).

Spec:
Item Type: Telescope Focus Mask
Material: Acrylic
Thickness: Approx. 2mm / 0.08in
Color: As Pictures Shown
Weight: Approx. 46g / 1.6oz
The Outer Diameter Size Range of the Telescope Objective Lens Is Supported: Approx. 120-160mm / 4.7-6.3in (there is an error of 1-2mm in manual measurement)

Package List:
1 x Bahtinov Mask
3 x Mounting Accessories

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