Sigma 18-50mmf2.8 or Pentax 16-45mm to buy???

Started Feb 4, 2005 | Discussions thread
jnrob Regular Member • Posts: 316
Re: 16mm vs 18mm for WA photography ?

Godfrey, thanks for the feedback,

I understand there is not much of a difference of an angle difference between 16mm and 18mm; I guess I wonder whether in practice it does make a difference. If not I prefer the lesser weight/bulk and longer reach of the 18-55 kit lens. Somewhere I read that WA gets interesting at 24mm full frame (so 16mm for the DS).

Thanks also for posting the angle data. For that purpose I actually use this freeware program that you might know of:
http://tangentsoft.net/fcalc/

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