Custom Tri-Bahtinov Masks And Mount Astro Charging ASTRO CHARGE SERVICES & CUSTOM TRI-BAHTINOV MASK PRODUCTS Telescope Astro-Charge Meade/Celestron Telescope Fork Mount and Equitorial Mount Super Charging Service. Email To Inquire! dale@astro-smart.com Tri-Bahtinov Mask Generation Pricing. 8-9.25in SCT MASK Price Options 8in F10 SCT $45.00 USD8in F8 SCT $45.00 USD8in F6.3 SCT $45.00 USD8in F2 SCT $45.00 USD8in F1.9 SCT $45.00 USD9.25in F10 SCT $50.00 USD9.25in F8 SCT $50.00 USD9.25in F6.3 SCT $50.00 USD9.25in F2 SCT $50.00 USD9.25in F1.9 SCT $50.00 USD 11-14in SCT MASK Price Options 11in F10 SCT $55.00 USD11in F8 SCT $55.00 USD11in F6.3 SCT $55.00 USD11in F2 SCT $55.00 USD12in F10 SCT $55.00 USD12in F8orF6.3 SCT $65.00 USD14in F10 SCT $65.00 USD14in F8 SCT $65.00 USD14in F6.3 SCT $65.00 USD14in F2 SCT $65.00 USD Custom Tri-Bahtinov Masks 4in Custom $50.00 USD5in Custom $50.00 USD6in Custom $55.00 USD7in Custom $55.00 USD8n Custom $60.00 USD9in Custom $60.00 USD10in Custom $70.00 USD11in Custom $70.00 USD12in Custom $75.00 USD14in Custom $80.00 USD Email To Inquire! At dale@astro-smart.com (If your mask is not listed pick custom mask options above) Select from a variety of masks and sizes using the very popular Tri-bahtinov masks tailored for SCTs , Refractors, and Newtonians at different FStops and Focal Lengths that make focusing and collimation easy or just ask for a custom mask. The types available are Bahtinov, Carey, Couder, Duncan, Hartman, Perpendicular, Plain, Schenier Disk, Tribahtinov and Tribahtinov Covers. Simulations of the final design made available at customer request.