Neutral density ND filter; giving great versatility in changing light; reduces the amount of light without effecting color balance; perfectly neutral color will not alter the natural color of the Moon
High-quality optical lenses; made by completed professional optical glasses; multi-layer coating; ND8 filter transmits only 12.5% of the incoming light; it has outstanding image sharpness and perfect colour neutrality
The value must have 2x barlow lens doubles the magnification of any 1.25 inch eyepiece; double the capacity of an existing set eyepieces at the cost of a single eyepiece
Quality aluminum stock and black anodized body with M42x0.75mm thread; work as a t adapter; connect DSLR or SLR camera to telescope easily via a separate sale t ring adapter
Fits eyepiece diameter from 25 to 48mm and 1.25" telescope; not fit 2" eyepieces; compatible with microscope; telescope;binoculars; monocular;spotting scope; night vision monocular and most optical device