Bahtinova mask for ZWO Seestar S50 (Artesky, SKU: SEESTAR-BAT) extras opinie

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The Bahtinov mask is one of the basic elements of equipment for every astrophotography enthusiast. This extremely simple yet precise device allows for perfect focusing, which is not always possible using only digital techniques (FWHM, FocusMax, Robofocus, etc.).

The most important features of the Bahtinov mask (Artesky)

• compatible with ZWO Seestar S50
• precise workmanship guaranteeing a sharp image

Set elements

• Bahtinov Artesky mask

>> FREQUENTLY ASKED QUESTIONS <<

Question : How does the Bahtinov mask work? When do I know the image is sharp?

Answer : We choose the brightest star possible. We set the focus initially. To focus precisely, let's see the appearance of the star close to focus.



• on the left: the central ray is not equally distant from the outer rays - we are far from focus; radius
• middle: it's better, but still not perfect
• on the right: the central ray is equidistant from the outer rays - the focus is set