Northern Foundry

    Universal Bahtinov Focus Mask – Sharp Telescope Focus

    Art : 4487770924
      Northern Foundry

      Universal Bahtinov Focus Mask – Sharp Telescope Focus

      Art : 4487770924
      Color: Black
      Variant:
      Prix de vente $19.99Prix normal $22.99
      Prix normal $19.99

      Description

      Nail telescope focus in seconds with this universal Bahtinov mask. The bright diffraction pattern eliminates guesswork — align the central spike and your focus is locked. Available in 60–180mm sizes, 3D printed in weather-resistant PETG to fit most refractors and SCTs.

      It's the simplest way to get consistently sharp results for astrophotography and visual observing.

      • Fast, Repeatable Focus: Stop guessing and lock in perfect focus every time.
      • Glove-Friendly Design: Easy to handle, even on cold nights.
      • Durable & Weather-Resistant: 3D-printed in rugged PETG plastic that resists cold and dew without warping.
      • Secure Fit: Integrated slots let you use a strap (not included) to prevent it from falling off your scope.

      Specifications:

      How to Choose Your Size: Measure the outer diameter (OD) of your telescope's front end or dew shield. Select the closest size for your refractor or SCT.

      • Available Sizes (OD): 60mm, 80 mm, 100 mm, 120 mm, 140 mm, 160mm, 180mm
      • Material: PETG Plastic
      • Color Options: Black (Default), White, Grey.
      • Origin: 3D-printed to order. Ships from Canada. CUSMA compliant for tariff free shipping to the U.S
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