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Designing a field flattener and maybe reducing eyepiece astigmatism...HELP! - ATM, Optics and DIY Forum - Cloudy Nights
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Bresser UK | EXPLORE SCIENTIFIC Zero X Field Flattener 2''/M48 for ED80 and ED102 APO | Call 01342 837 098 for advice and sales.
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2-D layout of the 8-element all-spherical design. Lens 7 (numbered left... | Download Scientific Diagram
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