Also known as Siemens star or sunburst pattern. It is used qualitatively to demonstrate focussingeffects, optical astigmatism and for rapid assessment of focal plane.
Mod | R65 | R66 |
Sector pitch | 10º | 5º |
Number of sectors | 36 | 72 |
Outside diameter of image | 25mm | 25mm |
Unresolved centre core | 0.2mm | 0.4mm |
Normal substrate | B270 Glass | B270 Glass |
Overall size | 50mm x 50mm x 1.5mm | 50mm x 50mm x 1.5mm |
Image type | Vacuum deposited chrome | Vacuum deposited chrome |
Pattern |
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ChemiMOS 9.0
MicroLine Cameras
Gpixel GSENSE400BSI Cooled Back illuminated USB3 camera MJ042MR-GP-P11-BSI
QSI 6120
1600S
USB3.0 Serial microcamera
Microscope Eyepiece Reticles_Single Lines
S-Range Stage Micrometers-Horizontal and Crossed Scales
Gratings – Ronchi Rulings
Microscope Eyepiece Reticles_Whipple Grid
Atik Apx60
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