Baader Planetarium Hyperion 21mm Eyepiece (HYP-21)

Baader Planetarium Hyperion 21mm Eyepiece (HYP-21)Most telescopes are supplied with one or two simple eyepieces in the set, which do not exploit the performance of the optics. Moderate contrast and sharpness and small field of vision quickly spoil the fun of the sky observation. With Hyperion eyepieces you get everything out of your telescope! You can distinguish between the series with "Prime lenses" f = 5 mm, 8 mm, 10 mm, 13 mm, 17 mm, 21 mm, 24 mm, the two great eyepieces aspheric 31 mm and 36 mm,

Elements (7)

these tough cases are designed with an automatic purge valve

The reticle can be focused separate from the finder itself

so the accuracy it measures is much higher than the accuracy of the macroscopic lens

such as the Advanced VX mount

reverse polarity protection

Moderate: 10

62 Lens Coatings: Fully Multi-Coated Prism Glass (Type): Bak-4 Prism Coatings: Phase Coated Weight: 24

This incredibly fast f/2

87-degree field of view when used with a full frame camera

04") Eye Relief: 18mm (

2") Apparent Field of View 60 degrees Eye Relief 16mm (0