Vivitar Microscope Set And Refractor Telescope with Tripod Boxed Set Complete. This set is in extremely nice condition. It looks like it may never have been used. The microscope comes with specimen collection vials, a specimen slide, blank slides, slide covers, tweezers and a built in light. 20x/30x/40x. The telescope comes with a built in compass, objective diameter of 30mm and focal length of 400 mm. 300x/460x/600x.