YES, F2.8 is only 1/4 the amount of light as F1.4 JC O'Connell [email protected]
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Amirkambiz Hamedanizadeh Sent: Wednesday, February 25, 2009 1:08 PM To: [email protected] Subject: Pentax SMCP-FA 50mm f/1.4 Lens or Pentax SMC DA Lens - 40 mm - F/2.8 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. -- 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.

