This is a set of Infinity-corrected Plan Achromatic objective lenses, fitting common-size (DIN standard) compound / biological microscopes. It comes with 4X, 10X, 40X & 100X Plan Achromatic objective lenses.

Features & Specifications:

4X, 10X, 40X, 100X Plan achromat objective lenses

Plan flat-field corrections for a flat, well-focused field of view

Achrmotaic color corrections

Infinity-corrected

DIN/JIS standard fittings

PA4X 4X Lens

NA: 0.10

Tube Length: Infinity-corrected

Cover Glass Thickness: 0.17mm

PA10X 10X Lens

NA: 0.25

Tube Length: Infinity-corrected

Cover Glass Thickness: 0.17mm

PA40X 40X (Spring) Lens

NA: 0.65

Tube Length: Infinity-corrected

Cover Glass Thickness: 0.17mm

PA100X 100X (Spring) Lens

NA: 1.25

Tube Length: Infinity-corrected

Cover Glass Thickness: 0.17mm

Immersion Medium: Oil