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Waite Research 12" F/4.91 High-Precision Telescope Mirror

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Available Now

We have a handcrafted Waite Research 12" F/4.91 parabolic mirror currently available for immediate purchase. This is a rare opportunity to acquire a stock piece from our Arizona lab, perfect for a high-end Newtonian build or a significant telescope upgrade.

Technical Specifications

  • Aperture: 12 inches (305mm)

  • Focal Ratio: F/4.91

  • Substrate: 1" Thick Borosilicate

  • Optical Quality: Exceptional P-V and Strehl. FigureXP tests attached.

  • Coating: High-reflectivity protected aluminum, shipping directly from the coater to the buyer.

Testing & Quality Assurance

This optic has been figured and verified using professional-grade testing methods to ensure a smooth, high-contrast surface:

  • Foucault Testing: Verified for a smooth, zone-free figure. Test attached.

  • Finish: Polished for minimal light scatter, providing the crisp planetary and deep-sky views that precision optics enthusiasts expect.

About Waite Research

Based in Arizona, Waite Research specializes in the precision grinding, polishing, and testing of large-aperture optics. While we typically focus on custom commissions (including 10" to 25" mirrors), this 12" is fully finished and ready for its new home.

Price: $2,450 + Shipping/Insurance  (Regularly $3,025. You save $575 and the mirror is ready for your build.)

We are confident the new owner will be very pleased with this mirror.

— Gordon Waite
Waite Research
Chandler, AZ