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These mounts can be used in a variety of folded optical designs, with Classical Cassegrains being the most common. Cassegrain secondary spiders are custom-made to your mirror's size (1.30” to 6.00” mirror diameter). The major body components are made of carbon composite and the vanes are steel. Some Cassegrain designs require precise spacing between the primary and secondary mirror and you can adjust the axial position with high precision.

Includes the spider and holder assemblies, mounting hardware and instructions. Made in the U.S.A.

Cassegrain secondary mount pricing guide

Cassegrain mounts can be made for any size of secondary mirror. The table below is a guide, but contact us for pricing if your size isn't listed. When ordering, provide the information described on the ordering information page.

Secondary holder size

Price (USD)

















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