AmScope 20X Plan Achromatic Objective Lens with Knurled Ring

This is a 20X DIN-standard objective lens for compound microscopes. It features achromatic color-correction, and plan field-correction.

Features & Specifications:

Magnification: 20X

NA: .40

Optical Working Distance: 1.16mm

Thread: RMS

Mechanical Tube Length: 160mm

Cover Glass Thickness:0.17mm

Color Correction: achromatic

Field Correction: plan

Immersion Medium: none

Nosecone: spring