The Arcturus UltraWide Series of eyepieces, with their panoramic 80° fields, offer exquisite wide-angle images at low-to-medium powers, ideal for star fields, galaxies, and other deep-space phenomena. Focal lengths with 1.25" barrels yield extremely high-resolution, high-power lunar and planetary images when combined with a barlow lens.

  The 2 inch models yield outstanding views of deep sky objects displaying huge true fields of view.

Size: 1.25"

Focal length: 11mm

AFOV:80 degree ultra wide angle

9mm eye relief

5-elemets in 3 groups
 
SUPERIOR OPTICS
Super wide angle 80 degrees, quality fully multicoated glasse. Super sharp, high contrast & excellent aberration correction, extremely high resolution.Fold-down rubber eyecups, filter threads, blackened lens edges, anti-reflection threads for maximum contrast, upper barrels are black anodized aluminum with a rubber grip ring.