Microscopeβ 150X/350X/750X/1250X PowerTelescopeβ Objective Diameter : 50mm(1.97")β Focal length : 500mmβ Eyepiece Diameter : 1.25"(31.7mm)β Eyepiece Focal length : 20mm , 4mmβ Material: Aluminum Tripodβ Accessories : Diagonal mirror,Erector lens / 21 x microscope 3X Barlow lens, Compass, Moon phase guide card
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