Antares 2" ND Filter - 13% Transmission - 2ND13 Adapters - M48 This mount is especially easy

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

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

Design: Erect Image Right Angle (90 degrees)

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 This mount is especially easyAntares 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