I have both lenses, their uses are different but if I had to get only one I would go for the 50 (actually the 35/2 looks more useful to me, but that depends what the intended use is) 2 stops is a lot of diffence.
Weight what is more important for you and choose accordinly, but on the K10D the DA40 looses its main appeal: size. You are trading 2 stops (in other words the chance to take more pictures without flash, the chance of using a smaller depth of field in your photos, etc) for size (which again is somehow lost in a larger body). Still, I use them for different purposes, the 50 is more like a portrait lens in digital, the 40 goes when I want to make my camera small and get a tight normal. On Wed, Feb 25, 2009 at 1:07 PM, Amirkambiz Hamedanizadeh <[email protected]> wrote: > Dear Pentax colleagues, > > I want to buy a lens for indoor and night shooting. I wonder which of the > following lenses is better: > . Pentax SMCP-FA 50mm f/1.4 Lens > . Pentax SMC DA Lens - 40 mm - F/2.8 > > The body is K10D, and the other lens that I have is Pentax 18-250. > Is there lots of difference between F1.4 to F2.8? > > > Cheers, > Amirkambiz > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- http://www.flickr.com/photos/ferand/ -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
