54mm Flattener Extender for GT81 WIFD

Name: 54mm Flattener Extender for GT81 WIFD
SKU: AD-M80-54-M48
Availability: InStock

68,00 €

Longer adjusting adapter for FLAT68III – WIFD GT81

SKU: AD-M80-54-M48 Categories: Accessories, Reducers & Flatteners, William Optics Tag: William Optics

Description

54mm spacing extender for use with the William Optics FLAT68III field flattener and Gran Turismo 81 WIFD telescope. Provides the additional back-focus distance required for this specific telescope and flattener combination to achieve sharp, flat stars across the entire field.

Explore these guides from our Astro Wiki to learn more about this type of equipment:

Focal Length & F-Ratio → Backfocus & Spacing → Field of View Explained →