Home Masuyama 2" Eyepiece 60mm Masuyama 2" eyepiece 50mm Masuyama 2" Eyepiece 45mm Masuyama 2" Eyepiece 32mm Masuyama 2" Eyepiece 26mm Masuyama 1.25" Eyepiece 16mm Masuyama 1.25" Eyepiece 10mm [MOP-26] Masuyama 2" Eyepiece 26mm Focal length 26mm Apparent field of view 85 degree Eye relief 16mm Lens configuration 5 elements in 3 groups Coating Fully multi-coated Physical length 98mm Outer diameter 59mm with rubber grip Weight 380g