Astrozap Aluminum Full Aperture Bahtinov Focusing Screens
These Astrozap Aluminum Full Aperture Bahtinov Focusing Screens are made to assist you in setting the perfect focus on your telescope. Lightweight aluminum focusing screen have adjustable grommets.
These Aluminum focusing screens use the Bahtinov focusing principle and they are designed to fit over the entire aperture of your telescope. They have a thin design profile, which allows for optimal performance. These focusing screens come in different sizes to suit your telescope. See the drop-down menu to choose the right size for your scope.
NOTE: The photo shows a generic-sized focusing screen for illustration purposes only. Your product might look slightly different from this one.