Field Flatteners
A field flattener is an optical tool used to correct field curvature in telescopes, particularly refractors. Astrophotographers and visual viewers in visual astronomy must preserve star sharpness over the complete field of vision. Edge performance and wide-field photography depend on it.
Filters
William Optics Flat61 for ZenithStar 61 (P-FLAT61A)
William OpticsWilliam Optics Flat61 for ZenithStar 61 This flattener is for ZenithStar 61. Technical Specifications Telescope Side Connection M54x...
View full detailsWilliam Optics Flattener FLAT68III (P-FLAT68III)
William OpticsWilliam Optics Flattener FLAT68III The William Optics Flattener 68III was made for 6 -7.5 F ratio refractors. This high-quality flattener has been ...
View full detailsin Canada over 500$+* bf txs

Paybright and Sezzle at Check Out

Contact us!
Find a Better Price? We Will Match it!
Sign Up to Astronomy Plus Newsletters
Subscribe to our Newsletter to be the first to be inform about Promotions, New Products and More!