astronomical telescopes, fieldscope, nightscopes,telescopes and binoculars, in-house optical design and manufacture, mold tooling and production. Opera glasses, theater, theatre, sports, football, baseball, matches binoculars, educational, fieldscope, bird watching, outdoor, nature, golfscope, telescope for golf, inspection magnifier, linen tester, reading magnifier, reading aids, low vision, nightscope, jelly lens, microsocpes for inspection, digital microscope, magnifier, pocket microscope, high power, educational toy, educational toys, borescope,fun, nature exploring