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NEW Reducer/Field Flattener V. III, especially recommended for users of the William Optics Z70, M72, M80, and M90 telescopes. The large 50mm clear aperture lens will reduce vignetting to almost
nil. Simply loosen the set screws on the side and your adapter will
rotate 360 deg. with a thumbscrew to lock it into place!
The antireflection multi-coatings on all optical surfaces will boost transmission and enhance your astro-imaging performance!
What you care most, your shots will show pinpoint stars and you will
maximize to the full your apochromatic refractors' potential.
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