Nikon Fieldscope 20X/30X/38X wide Eyepiece MC BDB90060

All lenses are multilayer coated for maximum brightness of view field. “MC” stands for Multilayer Coating.
Turn-slide rubber eyecup is applied to the wide type eyepiece for comfortable viewing. It helps you position your eyes at the correct eyepoint.
Optics employ Eco-glass containing no arsenic or lead.