Celestron TrailSeeker ED 10x50 Binocular Twist in eyecup for the

Twist in eyecup for the green EL 10x32 binoculars

This is the original gray and Black is the new color for the 32mm models

They feature phase- and dielectric coated BaK-4 roof prisms and fully multi-coated lenses

double hinge

Celestron TrailSeeker ED 10x50 Binocular Twist in eyecup for theThe Celestron TrailSeeker ED 10x50 Binocular is the light gathering star of the TrailSeeker ED series. Its 50mm objectives bring in 42% more light than the 42mm models. Their ED objectives reduce chromatic aberration resulting in crisper colors and better contrast. its lenses are fully broadband multi coated to reduce internal reflections over the complete optical path. The roof prisms are phase and dielectric coated, also enhancing light transmission