Coated air spaced glass doublet objective lens, 80mm clear aperture by 600mm focal length. Plastic mount with O.D. of approximately 96 mm and front lip to butt against a tube up to about 100mm O.D. The overall length of the assembly is 63 mm. This will make a great quality telescope objective for a wide field scope, spotting scope or finder for your large scope. New. Limited quantity!
