The 50mm f/18 Nikkor lens went through many cosmetic changes, and in its last version took on a smaller size that looked a lot like that of the Series E lens Of course the real Nikkor had all of the coatings that other Nikon lenses had, and not the single coating of the more economical Series E modelThis is a detailed review of the classic Nikon NIKKOR 50mm f/12 AiS by one of our readers, Christian Duguay from Montreal, Canada A quick note from Nasim while I was going through testing some of the older manual focus lenses (including the 50mm f/12 AiS), Christian contacted me via email and sent some of his thoughts on the lensPersonally I don't like the 50mm focal length except for family photos I use a 35mm as my "standard" lens, and an 85mm as a short tele I no longer even own any 50mm lenses, and because many people don't, either, you can have these just about for free Specifications It takes standard 52mm filters Amazon Com Nikon 50mm F 1 8 Series E Ais Lens Pancak...