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Baader Planetarium 21mm Hyperion Eyepiece for 1.25 Focusers by Baader Planetarium
DESCRIPTION
Consisting of 8 elements in 5 groups (3.5 mm - 21 mm), the Hyperion optical design delivers outstanding sharpness and color correction over a 68-degree wide apparent field (65 degrees for the 21 mm);The Hyperion optical design has been chosen to deliver a exceptionally comfortable view, thanks to its 20 mm of eye-relief, large eyelens, and a pupil free of the kidney-beaning and blackouts common in many wide field eyepieces;The new 24 mm uses a different optical design and delivers the same outstanding performance over it's 68-degree wide apparent field
- Baader Planetarium 21mm Hyperion Eyepiece for 1.25 Focusers