E Ruler
Metallurgical microscopes [Ningbo]45mm DIN Achromatic Objective: 10X, 100X(S, Oil) Metallurgical Plan-scope Achromatic Objective: 40X(S) Wide Field Plane-Scope Eyepiece: WF10X, WF12.5X Wide Field Plane-Scope Eyepiece with 0.1mm Cross Micrometer: WF10X Micro-ruler: 0.01mm/scale Total Magnification:100X-1250X Articulated Free Binocular Head, Interpupillary Distance: 55-75mm, 45? Inclined Double Layers Mechanical Stage(200X180....