Binoculars & Telescopes
Microscope Accessories 3.5X-90X Simul Focus Parfocal Trinocular Stereo Microscope Head 0.5X 2X Barlow Lens WF10X/20MM Eyepiece for Mobile Phone Repair Durability And Reliable Performance
Head: 45-degree inclined 360-degree swiveling trinocular simul-focal; Eyepiece: 30mm super widefield high-eyepoint WF10X/20; Objective: 0.7-4.5X. Zoom Range: 6.5:1; Trinocular Port: 23mm photo port; Interpupillary Distance: 2-1/8" to 3"(54-76mm)...
https://www.bizrate.co.uk/binoculars_telescopes/microscope-accessories-3-5x-90x-simul-focus-oid40270830460.html