Custom Bahtinov Mask Sizes

Currently, there are many sizes stocked as inventory. Just see our Order page for those. We are constantly producing different sizes for customers as their needs require. If you would like a mask for your Astro-Tech 6" Ritchey-Chretien or 125mm SDP Pentax, let us know, we'll quote the best price possible. We'll need a few extra days to design and manufacture your custom mask for you, so your delivery will be about 7 days longer than normal.

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Bahtinov Mask by Focus-Mask

The Easiest Way to Focus Your Telescope with a CCD/DSLR Camera