Explore Scientific Neutral Density Filter

Explore Scientific Neutral Density Filter 1.25″ ND 0.9 with 13% transmission

Barrel diameter and thread decide fit. A 1.25-inch eyepiece will not seat in a 2-inch focuser without an adapter, and an adapter adds back focus. Filters are listed by the wavelength they pass and the thread they screw into.

Sold under the Explore Scientific name. The specification block above is published for this listing; check the dimensions against the item you are replacing before ordering.

Handed to the carrier within one to two business days, tracking included. Free US shipping on orders over $58.