Fully multi coated with HD broadband green film optical glass lens;multi layer coating group on each eyepiece lens surface to maximize light transmission and contrast
M42 threaded for any standard 1.25” nebula filters;Barlow lens and other 1.25" astronomical devices;the eyepiece barrel is internally blackened to eliminate light scattering
Comes with Barlow lens 2x;the Barlow lens doubles the magnification of any standard 1.25” eyepiece or double the capacity of an existing set eyepieces with wide filed of view and long eye relief for sharpness images
Soft rubber eye guards fold down for eyeglass wearers;the folded eye guard custom fitted with the bayonet mount and protect eyeglasses from coming into contact with the metal eyepiece housings
4mm 10mm 25mm focal length Plossl eyepieces that provide low;medium and high powered magnification for viewing a wide range of objects;the moon;planets;or land;It's a great birthday christmas gift