(HOT TECH) Adjustable Reducer/Flattener

In stock
This revolutionary new William Optics AFR-IV Adjustable Flattener and (0.75x-0.8x reducer) was made for 500-1000mm refractors.Super-Transmission-Coated with 2-element unit was designed and produced by William Optics, the inner flattener lenses can be set at the optimum 66mm-86mm back focus by simple hand twist (Distance from flattener lens to film or CCD plane). This accessory is a must-have for refractor astrophotography. LENS • Designed to cover full size DSLR cameras with clear lens aperture of 50mm. • STM coated with excellent doublet air spaced design. • Produced entirely with the best Ohara optical glasses. • 35mm for full illuminated imaging circle. AMAZING • It will flatten the field amazingly well and finally make you see those stars round! • This unique flattener/reducer works with WO's or other 500-1000mm focal length refractors. SUPERB • Superb William Optics anodized finish. • All internal surfaces threaded and blackened for no reflections. EASE TO USE • Rotating T-ring thread for any 35mm camera. The T-ring adapter is provided with a lock screw and extra lock retaining screws. • Will accept any standard T-ring for your camera. • Inserts directly into 2" focuser. SUITABLE FOR • M90(2010 model), FLT98, FLT110, FLT132 and many others. High-quality FMC Lens-to-chip distance: 66-86mm Rotating T-ring adapter Clear Aperture:50mm Weight:540 g
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