Microscope Eyepiece Reticules (Graticules) 

G49 Henning Reseau Pattern - Zeiss Integrating Disc 1

Eyepiece Reticle with Henning Reseau Pattern (Zeiss Integrating Disc 1). 25 points on 6 horizontal lines.

Technical Specification

Glass Type and Thickness
Soda Lime 1.5mm thick

Diameter Tolerance
+0/-0.1mm

Orientation
Correct reading through glass