Focal Length: 40mm (1.57″)
Apparent Field of View (deg): 40°
Eye Relief: 36mm (1.42″)
Barrel Size: 1.25″ (31.7 mm)
Weight: 120g (4.23 oz.)
Vixen presents its NPL Plossl series, with 2-group, 4- element eyepieces that offer flat and clear images, with good color correction through multi-coated optics that provide excellent light transmission. The NPL20, NPL25, NPL30 and NPL40 eyepieces each feature a twist-up eye cup.