W70 series eyepieces offer a wider field of view and more comfortable eye relief than Plossls. The 1.25" W70-4mm has (6) elements, 70 degree AFOV, 12.5mm eye relief and negative achromat compensation, eliminating spherical aberration. Excellent color correction, rubber grip, fold-down eye shield and multicoating are features. Performance specifications on request.
This eyepiece replaces the W70-4.3 Series 1 eyepiece