Now Easy EMI available on astronomy products in india
Guaranteed safe & secure checkout
WILLIAM OPTICS FLAT 68III
William Optics 68III Adjustable Field Flattener
Engineered for high-performance imaging, the William Optics 68III Field Flattener is designed to deliver pinpoint stars across the field when used with refractors in the f/6 to f/7.5 range. Whether you're using the FLT132, 102GTS, or other compatible apochromatic refractors from William Optics, this premium flattener ensures edge-to-edge sharpness without changing your focal length.
Precision Optics
Full-Frame Ready: Provides a 45mm fully illuminated image circle for DSLR and full-frame cameras.
High-Quality Optics: Built with air-spaced doublet elements using premium Ohara glass for superb optical clarity.
STM Coatings: Advanced coatings minimize reflections and maximize light transmission.
True 1.0x Correction: Maintains your telescope’s native focal length—no reduction.
Durable & Stylish Build
Signature Finish: Features William Optics’ signature anodized aluminum finish for durability and visual appeal.
Internal Design: All inner surfaces are precision-threaded and fully blackened to suppress internal reflections.
Lens Protection: Comes with caps for both ends to keep optics safe when not in use.
User-Friendly Design
Universal Compatibility: Works with standard M48x0.75 T-rings, making it easy to attach your DSLR or dedicated astro camera.
Tailored Fit: Designed for seamless use with WO refractors that have a M92x1.0 thread, including the FLT132 and 102GTS (3" focuser).
Simple Setup: Adjust the distance based on your scope model for optimal field flattening.
