Vintage 6 x 30 Field 8° Kendon Coated Optic Binoculars

Vintage 6 x 30 Field 8° Kendon Coated Optic Binoculars I know very little about these only that they were in my grandfather’s things. They appear to work as intended and lenses are in good shape. I have had these sitting on a shelf as decoration for years. Changing decor have other things I may list later These were made in Japan and I assume the strap is the original leather strap