WRONG- Pentax developed open aperture metering and AE support
on the SCREWMOUNT series of lenses around 1972 well prior to even the very
first K mount lens or bodies. ( SMCT lenses & Spotmatic F and ES/ESII
bodies)

the K/M lenses were ALL designed for open aperture metering
and AE support and even the first batch of bodies had
a BODY that used these K/M features, it's the K2.
So just because pentax offered a body like the
MX or K1000 that didn't have all these features supported its incorrect
to say the the K/M lenses were NOT designed for both
open apeture metering and AE ( they were - & even the late
screwmounts were). And even when pentax did offer these other bodies
without K/M AE, they always had other models that fully
supported all the K/M could do in the lineup at the same
time. 

JCO


-----Original Message-----
From: Mark Roberts [mailto:[EMAIL PROTECTED] 
Sent: Sunday, September 18, 2005 9:28 AM
To: [email protected]
Subject: Re: Pentax K 2.5/200mm


Paul Stenquist <[EMAIL PROTECTED]> wrote:

>I use K and M lenses every day on my *istD. No problem. Once you become
>accustomed to the button, it's not an inconvenience, it's an automatic.

As many have pointed out, it's actually easier to use K & M lenses on a DSLR
than an MX or K1000, the kind of cameras for which they were originally
intended.
 
 
-- 
Mark Roberts
Photography and writing
www.robertstech.com


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