Bahtinov Focus Mask - 215-260mm Outer Diameter

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Optics Central
OC-FOCUSMASK-200
A Bahtinov masks assists in achieving pin-point focus through its unique design by providing an easy to use visual reference of where the focal point is. Bhatinov masks are extremely helpful for astrophotgraphers who are imaging with a telescope that does not have an eyepiece allowing them to get the clearest photos of a celestial object. Suitable for telescopes with an outer diameter of 215-260mm. Bahtinov masks can be simply be attached to the telescope by placing it on the front of the scope and securing with the padded pegs on the side. Once attached focus the telescope until the diffraction spiked are symmetrical as seen in the image below.     Find the correct size for your telescope  SKU Description OC-FOCUSMASK-60 Bahtinov Focus Mask - 65-100mm Outer Diameter  OC-FOCUSMASK-80 Bahtinov Focus Mask - 85-120mm Outer Diameter  OC-FOCUSMASK-100 Bahtinov Focus Mask - 105-150mm Outer Diameter  OC-FOCUSMASK-120 Bahtinov Focus Mask - 125-180mm Outer Diameter  OC-FOCUSMASK-150 Bahtinov Focus Mask - 150-200mm Outer Diameter  OC-FOCUSMASK-180 Bahtinov Focus Mask - 195-240mm Outer Diameter  OC-FOCUSMASK-200 Bahtinov Focus Mask - 215-260mm Outer Diameter 
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OC-FOCUSMASK-200
OUR PRICE $64.95

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    A Bahtinov masks assists in achieving pin-point focus through its unique design by providing an easy to use visual reference of where the focal point is. Bhatinov masks are extremely helpful for astrophotgraphers who are imaging with a telescope that does not have an eyepiece allowing them to get the clearest photos of a celestial object. Suitable for telescopes with an outer diameter of 215-260mm.

    Bahtinov masks can be simply be attached to the telescope by placing it on the front of the scope and securing with the padded pegs on the side. Once attached focus the telescope until the diffraction spiked are symmetrical as seen in the image below.

    Bahtinov Mask Correct Focus

     

     

    Find the correct size for your telescope 

    SKU Description
    OC-FOCUSMASK-60 Bahtinov Focus Mask - 65-100mm Outer Diameter 
    OC-FOCUSMASK-80 Bahtinov Focus Mask - 85-120mm Outer Diameter 
    OC-FOCUSMASK-100 Bahtinov Focus Mask - 105-150mm Outer Diameter 
    OC-FOCUSMASK-120 Bahtinov Focus Mask - 125-180mm Outer Diameter 
    OC-FOCUSMASK-150 Bahtinov Focus Mask - 150-200mm Outer Diameter 
    OC-FOCUSMASK-180 Bahtinov Focus Mask - 195-240mm Outer Diameter 
    OC-FOCUSMASK-200 Bahtinov Focus Mask - 215-260mm Outer Diameter 
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