Nikon 50mm f/1.8 Series E,Nikon Series E 50mm F/1.8 Type 1 | LENS-DB.COM,Review: Nikon 50mm f1.8 E (Silver Version) - The Phoblographer,Nikon Series E 50mm F/1.8 Lens Review - Value Proposition - Casual Photophile,Nikon Series E 50mm F/1.8 Type 1 | LENS-DB.COM