Designed and manufactured in Canada
The Speer-WALER series 4 eyepiece is an exciting new eyepiece from Antares. WALER stands for Wide Angle Long Eye Relief. This 25mm focal length eyepiece, with a 75 degree apparent field of view, offers 10mm of eye relief. Sold with a eye-shield, rubber grip, and is fully multi coated.
Focal length 25mm
Eye relief 10mm
75 Degree APOV
The Series4 25mm performance: Edge field curvature (546nM), Sagittal,-0.22mm, Tangential: 0.23mm. Edge lateral color: 0.009mm. Chromatic focal shift (420-656nM) 0.38mm.