Microscope Plan Achromatic Objective Lens 4X Biological Metallurgical Microscope ObjectivesA

Magnification: 4X<br> NA: .10<br> Optical Working Distance: 29.04mm<br> Thread: RMS<br> Mechanical Tube Length: 160mm<br> Cover Glass Thickness:0.17mm<br> Color Correction: achromatic<br> Field Correction: plan<br> Immersion Medium: none<br> Nosecone: fixed<br> Additional Information:<br> Objective-Iris: Without Iris<br> Objective-Mounting Size: 20mm<br> Optics: Plan<br> Objective Power: 4X<br> Objective-Type: Compound Brightfield Darkfield<br> Colour: silver<br> Material: metal<br> Package Contents:<br> 1 x achromatic Objective Lens<br> Only the above package content, other products are not included.<br> 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.