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47-inch legs
Radius R1 (mm): 305
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E-62-492 25mm Dia x -50mm FL VIS 0° Coated, Negative Achromatic Lens pack-size_15 47-inch legsE 62492 25mm Dia x 50mm FL VIS 0 Coated, Negative Achromatic Lens Product VIS 0 Coating Curve Product ISO Product Drawing Diameter (mm): 25. 00 +0. 0 0. 025 Effective Focal Length EFL (mm): 50. 00 Focal Length Tolerance (%): 1 Back Focal Length BFL (mm): 53. 33 Focal Length Specification Wavelength (nm): 587. 6 Clear Aperture CA (mm): 24. 00 Centering (arcmin): <1 Center Thickness CT 1 (mm): 2. 50 Center Thickness CT 2 (mm): 4. 06 Center Thickness
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