Celestron LLC designs and manufactures telescopes, binoculars, spotting scopes and microscopes. It provides logistical support to retailers such as Discovery Channel, The Natural World, Costco, Canadian Tire, American Express, LL Bean, EMS, Amazon.com and B&H Photo. The firms products include telescopes, optical tubes, mounts and tripods, astronomy binoculars, solar observing, astroimaging cameras, binoculars, monoculars, spotting scopes, solar observing, outdoor electronics, digital, biological and stereo microscopes. The company was founded by Tom Johnson in 1960 and is headquartered in Torrance, CA.