ZUNATE

Bahtinov Mask for Telescope Focusing, 100-140mm

£39.06 £65.09

Description

[Precision Focusing Aid] Achieve focus every time with this Bahtinov mask, designed to eliminate guesswork and overcome poor conditions. Ideal for astrophotography, it delivers quick, accurate focus for crisp star images.
[Universal Telescope Compatibility] Works with a wide range of scopes, including refractors, reflectors, Dobsonians, Mak-Cassegrains, and SCTs. Simply measure your telescope tube or objective lens to select the right size for a perfect fit.
[Secure 3-Post Mounting System] Three metal posts with scratchsilicone covers grip the telescope tube gently yet firmly. This keeps the mask perfectly centered, prevents slippage, and protects your valuable optics from damage.
[Lightweight Acrylic Construction] Made from durable 2mm acrylic, this focus mask is remarkably light at just 38g. It adds minimal weight to your setup, so you won't upset the balance of your telescope during long observation sessions.
[Ideal for 100-140mm Objectives] Sized for telescope objective lenses with an outer diameter of 100-140mm (3.9-5.5in), this focusing mask is a practical tool for improving your astrophotography workflow with fast, reliable results.

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Zunate.

£39.06 £65.09