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.