A Quality Image with a Wide Field of View The SEP-38W eyepiece provides a wide angle viewing experience with all 60mm or 82mm straight and angled PROSTAFF 5 Fieldscope bodies and is ideal for detailed observation. Offering fully multilayer-coated lenses, long eye relief for viewing comfort with eyeglasses and a bayonet mount with lock for easy attachment and release. Water resistant when attached to Fieldscope body.