Antares 2" ND Filter - 13% Transmission - 2ND13 Adapters - M48 Tele Vue Barlow Lenses use

Tele Vue Barlow Lenses use multi-coated high index glasses for optimum aberration correction

even for the novice

This mount is especially easy to set up and polar align with its included iPolar electronic polar scope

Optical Coatings: Aluminum

Given the poor transmissions of many optics in the UV and the lower sensitivity of some CCDs to this wavelength

Antares 2" ND Filter - 13% Transmission - 2ND13 Adapters - M48 Tele Vue Barlow Lenses useAntares 2" ND Filter 13% Transmission Product Highlights: Antares ND 2" Filter Transmission = 13% Includes standard 2" size, M48x0. 6 mm Threads The Antares 2ND13 Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancing lunar and also planetary observing. This is a Neutral Density (ND) filter which means it attenuates most colors of the visible spectrum approximately equally. Can be used stacked