GReddyZC76 said:If I not wrong, being internal and non- extendable focus, shld be more exp to manufacture . Eg. Af 50 f/1.8D is external focus and u can see the lens extending/retracting .
I dun think that's valid, FX 50mm F/1.8G design and built is almost identical to DX 35mm F/1.8G, but it's still similar or cheaper than the 35mm.