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General ordering information

Ordering secondary mounts

Methods for placing your order

Payment options

Delivery lead-times

Business & educational sales

Dealership information

Shipping charges & methods

Foreign orders

How to return a product

Order cancellation policy


Instructions for ordering secondary mounts

Secondary mounts (i.e., "spiders") are custom-made for your telescope's size. Thus, it is important to provide the proper dimensional information. Please review the instructions for ordering secondary mounts, or call the toll-free number to place your order.

Methods for placing your order

Ordering online: Use the online shopping cart system for secure and convenient transactions.

Order by phone: Telephone orders can be placed at 614-855-5341. Regular business hours are Monday through Friday, 9:00 AM - 5:00 PM (Eastern Time Zone).

Ordering by mail: Mail orders to: Protostar, P.O. Box 448, Worthington, OH 43085, U.S.A. Be sure to include all the information requirements listed above if you’re ordering a secondary mount. If you are in Ohio (U.S.A.), please include 6.75% Ohio sales tax.

Payment options

Visa, Mastercard, American Express, Discover, and PayPal are accepted, as well as personal checks and money orders for mailed in orders from within the U.S.A. Payment for mailed-in orders from outside the U.S.A. should be either a bank check or international money order, and issued in U.S. dollars. We do not process electronic bank transfers.

Delivery lead-times

Stocked products are normally shipped within 1-2 days of your order. Secondary mountings are custom-made, so there is a lead-time of a few weeks. We maintain an updated lead-time table for the spiders here.

Business and educational sales with purchase orders

Purchase orders from businesses and educational institutions are accepted for transactions larger than $1,000 (US) upon credit approval. At our discretion, we accept purchase orders for smaller transactions if you expect future orders. If you would like to establish credit terms with us, please call us at 614-855-5341.

Dealership information

Currently, there are no international dealers for Protostar products.

Shipping charges and methods

Most of our products are shipped using the U.S. Postal Service (Priority Mail). The shipping charge is based on the accumulated weights of the products you order, and we strive to keep the shipping charge as close to the actual costs as possible. For larger shipments (like BlackLite tubes), we use parcel post to keep the cost down. Overnight delivery is available at extra cost. Shipments outside the U.S.A. are sent by postal methods only.

Foreign orders

Please see the Foreign orders page for more information on payment and shipping options.

How to return a product

If you need to return a product to us for a warranty repair or refurbishing service, please contact us first by e-mail or telephone (614-855-5341). The return address we will provide depends on the size of the product and your shipping method (mail, UPS, FedEx, etc.).

Order cancellation policy (for secondary mounts only)

There is a lead-time of several weeks to manufacture secondary mounts ("spiders"). You can cancel your order anytime without penalty during this lead-time period unless we have already begun construction of the part. (Your credit card will be charged when work on your order has begun.) If you need to cancel (or change) your order after work has begun, there is a 50% cancellation fee. If your project plans change, please contact us as soon as possible to make cancellations or changes.

All other non-spider order cancellations (mirrors, flocking, etc.) are refunded 100% with no cancellation penalty.


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Protostar P.O. Box 448 Worthington, Ohio 43085 U.S.A. 614-855-5341
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