Connection for being able to use the Web Cam on the telescope available for grafts from 31,8, realized in two members, metal and synthetic antiglare (Chromium plated Brass + Derlin) this concurs of having the keg the much most resistant one to the pressure of the screw of serration of the telescope, while the derlin black he is advanced to the anodized aluminium in the antiglare species in the infrared where the webcam he is the much most sensitive one. It incorporates the classic thread ocular filters for the insertion of filter IR/UV Cut or others. Design deposited keg COMA: Conical it begins them in order to favor the income to carry eyeglass and rabbet on the body, in order to prevent fallen accidental as a result of an eventual slackening of the detention screw.