SVBONY Telescope Eyepiece FMC Broadband Green Film Accessory 1.25 68 Degree Ultra Wide Angle Set for Astronomical Telescope(6mm 9mm 15mm 20mm)

Super wide 68 degree apparent field of view;gets broad field observations for amazing observing experience Fully multi coated lens;broadband green film optical glass increases light permeability for sharp images Multi-element design delivers sharp images;highly achromatic with good color correction and contrast Black anodized aluminum housings;internally blackened to eliminate light scattering and contrast Fold down soft rubber eye guard;block stray light also bring the convenience to eyeglass wearers;It's a great Halloween birthday christmas gift