AmScope 40X Plan Achromatic Objective Lens with Knurled Ring

This is a 40X DIN-standard objective lens for compound microscopes. It features achromatic color-correction, and plan field-correction.

Features & Specifications:

Magnification: 40X

NA: .65

Optical Working Distance: 0.633mm

Thread: RMS

Mechanical Tube Length: 160mm

Cover Glass Thickness:0.17mm

Color Correction: achromatic

Field Correction: plan

Immersion Medium: none

Nosecone: spring