the clips on your primary will improve star images by eliminating
flare. The images at left show a primary mirror without and with our
mask. The star images below show results without and with the mask.
Our first two buyers remarked "It worked fantastic. The stars
have no more flaring whatsoever. I'm very happy with it." The
second buyer sent the four comparison photos, writing "Love
the aperture ring! Here's a great results example of the imaging ring
Precision cut from light weight 1/8" thick acrylic, one side
flat black. Adhere with small Velcro dots or similar.
Provide your mirror diameter, mirror clip overall inside to ourside
width, and amount of clip that overhangs the mirror. Please measure
using a millimeter ruler, and example is shown at bottom left.
Your mask will be easy to center perfectly; the outside edge of the
mask aligns precisely with the outside edge of the mirror clips.
Prices are for up to 12" mirrors. Inquire for larger sizes.