Diameter 19mm Optical Microscope Eyepiece Micrometer Ocular

Diameter 19mm Optical Microscope Eyepiece Micrometer Ocular Calibration Slide for Biological Metallogical Microscope Eyepiece_x000D_ _x000D_ _x000D_ _x000D_ 1. NO.905 _x000D_ 2. NO.906 _x000D_ 3. NO.935 _x000D_ 4. NO.937 _x000D_ 5. NO.903 _x000D_ 6. NO.942 _x000D_ 7. NO.907 _x000D_ 8. NO.904 _x000D_ 9. NO.902 _x000D_ _x000D_ Brand Name : ZZCAT_x000D_ Magnification Ratio : 500X amp; Under_x000D_ Features : High Definition_x000D_ Features : PORTABLE_x000D_ Features : Handheld_x000D_ Theory : Biological Microscope_x000D_ Model Number : 19mm Eyepiece Stage Micrometer_x000D_ Material : Optical Glass_x000D_ Drawtube : Monocular Binocular Trinocular_x000D_ Package : Packed in Safety Export Standard Package in Box with Sponge_x000D_ Quality Standard : EU USA Top_x000D_ Wholesale and OEM : Yes_x000D_ Application : Widely Used in Microscope Field_x000D_ C2-C7 Micrometer Diameter : 19mm Ocular Graticule