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Model: wo_redcat_91_WIFD
William Optics RedCat 91 WIFD APO f/4.9
Features new advanced 5-element Petzval optics with three super ED lenses and an impressive 50mm imaging circle.
The central star point has an RMS radius less than 1.3μm, and the star point at the full frame corner is less than 2.1μm.
NOTE: The mounts, camera and guidescope shown in the photos are not included.
Spot diagram
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