SkyMentor ND2 Neutral Density Filter - 52% Transmission - 1.25" - ND2 5mm Eyepieces waterproof barrel that keeps them

waterproof barrel that keeps them as pristine as the day they were manufactured

The prime focus focal plane is located near the front aperture of the optical system

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SkyMentor ND2 Neutral Density Filter - 52% Transmission - 1.25" - ND2 5mm Eyepieces waterproof barrel that keeps themSkyMentor ND2 1. 25" Neutral Density Filter This Neutral Density (ND) filter is suitable for 1. 25" eyepieces & other 1. 25" barreled accessories. Preferred as a moon filter due to its neutral color, the ND2 filter can reduce the overall brightness of the moon's surface by 48% so you can see more details and surface features of moon with your telescope. We also offer two other Neutral Density filters with varying degrees of light attenuation: ND2