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54MM ADJUSTING FLATTENER ADAPTER FOR GT81 WIFD
Product Details This specialized adapter is essential for achieving the correct working distance when using the William Optics WIFD GT81 telescope in conjunction with the Flat68III field flattener. It features an M48x0.75 male thread, enabling secure attachment to M48-threaded cameras and other accessories. While it shares the same thread type as the original M48-terminal adapter included with the Flat68III, its length differs to provide the required optical spacing.
To use, simply detach the standard M48 male-threaded end adapter from the flattener and install this longer version in its place.
Correct back focus setting specification:
For use of P-FLAT68III with WIFD GT81 telescope: 1.9mm
