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101mm, f/5.4, APO (Nagler-Petzval) Refractor. Its snap-to-focus sharpness across even the widest true fields, and rich planetary contrast will take your breath away.
4.9° / 250x (Max. Visual Field / Max. Rec. Power)
“WOW! The best TV yet! Perfect! The flattest field and best color correction I've seen. Looks like I'll finally sell the xxx!”