WILLIAM OPTICS ULTRA-CAT 76 f/4.8 REFRACTOR
The William Optics UltraCat76 is a 76mm apochromatic refractor with a 5-element Petzval design for astrophotography, offering clear, detailed images and supporting full-frame and medium-format cameras.
- The description claims that the 5-element Petzval design eliminates field curvature and provides sharp, flat-field images.
- The description claims that extra-low dispersion ED glasses improve image quality.
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- Default Title — 2453.00 USD — Out of stock
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