Both of which are "normal" on an APS C sized sensor, 35mm being ~ 50/55mm the longish normal we're used to with 35mm film cameras. 28mm being approximatly the diagonal of the sensor, making it a true normal as defined my most other photographic formats.

On 1/5/2010 4:46 PM, J.C. O'Connell wrote:
fwiw, both the k35/3.5 and k28/3.5 are truly excellent lenses on
digital.

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-----Original Message-----
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Godfrey DiGiorgi
Sent: Tuesday, January 05, 2010 4:37 PM
To: Pentax-Discuss Mail List
Subject: Re: Wide angle for K-X?


On Tue, Jan 5, 2010 at 5:48 AM, Martin Trautmann<tr...@gmx.de>  wrote:
For wide angles which are the topic here?

I'm more concerned by the max. opening which does provide good
quality. I do prefer a f/2.8 which becomes excellent at f/4.0 to a
brighter f/1.8 which sucks up to f/5.6.
Most of the best wide-angle lenses made are relatively slow lenses, f/4
is fast for an ultrawide.



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{\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fnil\fcharset0 Courier 
New;}}
\viewkind4\uc1\pard\f0\fs20 I've just upgraded to Thunderbird 3.0 and the 
interface subtly weird.\par
}


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