This Optics custom designed filter is well suited for a variety of telescopes and objects
The design yields a filter with a very symmetrical shape and high optical throughput; for maximum enhancement of nebula with a minimum of loss of stars in the field of view
The high optical quality of the Astromania filters guarantees no loss in sharpness or contrast
Have extremely high transmissions; while completely rejecting light pollution as well as the important blocking of longer wavelengths
Filter made from high-grade glass with dichroic interference and antireflection coatings