CRITERION Orthoscopic Ortho 6mm telescope eyepiece 1.25in Japan c1975 no google thermometer

thermometer

or cloudiness in the glass

Specifications Model L56

that seem to fade away as they head southwest towards Frederick

and the rotating box is 5-1/2" square

CRITERION Orthoscopic Ortho 6mm telescope eyepiece 1.25in Japan c1975 no google thermometerVintage CRITRION Orthoscopic Ortho 6mm telescope eyepiece, 1 1 4 in dia from Japan, c1975. I am the original owner and I purchased it as part of a collection in the 1970s. This eyepiece has been carefully stored in a foam lined case in a temperature controlled environment (a house, not a shed or garage). When used, the eyepiece was unboxed, used for observing, and then returned to its box capped. As such, it is in super condition and shows no