Originally posted by Rory That's ridiculous. If you don't notice a 20mm difference on a crop sensor, something is wrong.
fwiw i shoot a 1.3 crop
i'm not saying they're not different focal lengths, they do have their own merits, their own aethetics and their own 'feel'
I'm just saying that if it was my money and I was buying 3 prime lenses to start out with I would't buy a 35 and a 50, i'd buy a 14, a 50 and a 100mm macro
that would give me maximum shooting ability for my money
my personal AF lens collection is Sigma 15-30, 50mm, 90mm macro and I plan to add a 70-200 in the future
I use MF for the inbetween focal lengths, (zeiss 135, and a 28mm)- I plan on getting an AF 30mm and a samyang 14mm f2.8 in the future but at the moment these lenses are all I need, the 28 can give the same field of view as a 50 if you move your feet or crop a little, I think 30 and 85 are a better combination than a 50- I don't like the perspective of a 50mm, I prefer the slight distortion of the 30 and the slight compression of the 85, I find (on APC at least) that 50 is neither here nor there. Too close but too far
at least I think that way for the type of shooting I do, which brings us back to the idea of thinking about what you shoot
if you don't know what you shoot get a zoom, or multiple MF lenses. Then get AF versions of the ones you use most