R65 optical resolution chart, star test target 10 deg. (EMS)

Star Test Chart with 36 Sectors, 10 degree pitch.

Also known as Siemens or Sunburst Pattern. It is used qualitatively to demonstrate focusing effects, optical astigmatism and for rapid assessment of focal plane.

Glass Type and Thickness - B270 Glass 1.5mm thick

Dimensions - 50mm x 50mm

Method - Vacuum Deposited Chrome on Glass

Image Diameter - 25mm

Unresolved Centre Core - 0.2mm

Resolution charts and gratings

Updated: 11-10-2025
Code Pack Size Availability Price Updated: 11-10-2025
EMS68098-08 Each 0 in stock (?) P.O.R. Quote