Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The Primary Mirror Center Spot for 8"/10" GSO Mirrors from JMI Telescopes is a center spot added to the parabolic primary mirror of GSO mirror sets.
Note: This option much be added to GSO Mirror Sets at the time of purchase.
Center spot for GSO Primary and Secondary Mirror sets.
GSO Mirror Sets
Both elements have been precisely designed and engineered to meet exacting specifications at the Guan Sheng Optical (GSO) factory. The primary and secondary mirrors are constructed of diffraction limited BK7 glass and feature a aluminum reflective coating and a SiO2 protective coating.
In the Box
JMI Telescopes Primary Mirror Center Spot for 8"/10" GSO Mirrors