AstroEssentials SeeStar S50 Bahtinov Focus Mask

The Astro Essentials SeeStar S50 Bahtinov Focus Mask has been specifically designed for use with the ZWO SeeStar S50. This compact 3D-printed attachment can be used to ensure your focus results are crisp and perfect. Astro Essentials SeeStar S50 Bahtinov Focus Mask The Astro Essentials SeeStar S50 Bahtinov Focus Mask has been specifically designed for use with the ZWO SeeStar S50. This compact 3D-printed attachment can be used to ensure your focus results are crisp and perfect. The focus mask shown with SeeStar S50 is for illustrative purposes and shows the old version of this mask. Key Features: Compatible with ZWO SeeStar S50 3D printed Perfect focus every time What's in the box? Astro Essentials SeeStar S50 Bahtinov Focus Mask