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Bigamart
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$33.99
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Bahtinov Mask Focusing Mask for Telescopes - FM200mm, Metal Posts, Lightweight, Wide Range of Applications, 60-90mm Outer Diameter — image 1
Telescope AccessoriesFockety✓ In stock

Bahtinov Mask Focusing Mask for Telescopes - FM200mm, Metal Posts, Lightweight, Wide Range of Applications, 60-90mm Outer Diameter

★★★★★
$33.99
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About this item
  • Wide Range of Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for SCT, all you need to do is measure your telescope tube size and choose the appropriate mask size.
  • Bahtinov Masks Function: The mask takes the guesswork out of focusing and even overcomes 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 resistant silicone covers to protect 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 60‑90mm (there is a 1‑2mm error in manual measurement).
Product details
Brand
Fockety
Manufacturer
Fockety
Model number
Focketyb3ymz20fdg
Part number
Focketyb3ymz20fdg

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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