awilder
Alan Wilder
The 45/2.8 P the only Nikkor I've ever used that renders it's image noticably different (i.e. better) than 50 mm Nikkors. This is likely due to it's Tessar design and rounder aperture blades compared to the double Gauss designs and straighter blades of the 50s. The Tessars are extremely sharp over most of the frame, especially the center, with a little softness at the corners and edge until stopped down a few stops. It also benefits from their modern multicoating on all air surfaces and has fewer elements making it less prone to flare than the 50/1.8 pancake which use single coating on most of the surfaces and only multi-coats one or two elements to keep the cost down. The first 50/1.8 AI or previous 50/2 from the mid 70's were multicoated on most air surfaces.
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