Microscope Pl-an Achromatic Objective Lens 4X Biological Metallurgical Microscope Objectives-an

Magnification: 4X NA: .10 Optical Working Distance: 29.04mm Thread: RMS Mechanical Tube Length: 160mm Cover Glass Thickness:0.17mm Color Correction: achromatic Field Correction: plan Immersion Medium: none Nosecone: fixed Additional Information: Objective-Iris: Without Iris Objective-Mounting Size: 20mm Optics: Plan Objective Power: 4X Objective-Type: Compound Brightfield Darkfield Colour: silver Material: metal Package Contents: 1 x achromatic Objective Lens Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.