Celestron TrailSeeker ED 8x42mm Roof Binoculars | 71405 Birding Binoculars one with an adjustable red

one with an adjustable red LED illuminator

that allows you to lay the leg flat on a surface

and showing winter

It is for use with the RFT80 or any other auxiliary telescope up to 90mm

The Roof prisms have also been treated with phase coatings in order to increase their reflectivity

Celestron TrailSeeker ED 8x42mm Roof Binoculars | 71405 Birding Binoculars one with an adjustable redThe TrailSeeker ED 42mm binoculars provide high level outdoor performancea perfect choice for avid birders, hunters, and outdoor enthusiasts. TrailSeeker ED is packed with optical, mechanical, and ergonomic features that make it comparable to binoculars costing two to five times as much. ED Objective Lenses Extra Low Dispersion (ED) glass virtually eliminates chromatic aberration, also known as color fringing, a visual defect common in binoculars.