Protostar Ordering Cart


4vane02.jpg 4-vane secondary mount, 80.0 mm holder, up to 600 mm tube ID G08004V $150.00 $150.00

IMPORTANT: Your spider will be custom-made to your requirements. Please enter your tube (or cage) inside diameter, and wall thickness in the "Ordering Instructions" box below. There is more information on how to supply this information here.

Optional features like antidew heaters can be added to most secondary mounts. Click here for more information.

Call us at 614-375-3146 if you have any questions about how to order secondary mounts.


Ohio Tax (Ohio residents only) 
Subtotal $150.00
Tax $0.00
Total $150.00

Any changes above should be verified by pressing 'Recalculate' before clicking on 'Checkout'.
For custom-sized spiders, add the dimensional information in the text box below (see how to order spiders). For Direct Replacement spiders, please tell us the make/model of your commercial telescope. You can also add any special requests or information below.

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