If I didn't have to, I wouldn't. But I have to, and it's not a problem. -- Bob
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of J. C. O'Connell > Sent: 15 February 2007 21:38 > To: 'Pentax-Discuss Mail List' > Subject: RE: Pentax K 28mm f2.0 Lens > > if your lens system had fully automatic apeture, > (I am not reffering to anything related to metering > which is a seperate issue),and you are using manual exposure, > (metering is not an issue) do you really think you > would be focussing and composing with the lens stopped > down if you didnt have to? Who does this when they dont > have to and why? It just doesnt make any sense to me, > and just because its so called "not a problem", doesnt mean > the stopped > down technique is as good as autoaperture technique is. > Thats why autoapeture lens systems were developed and have > been in use for over 40+ years by all the SLR camera > companies.... > > jco > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of > Bob W > Sent: Thursday, February 15, 2007 4:22 PM > To: 'Pentax-Discuss Mail List' > Subject: RE: Pentax K 28mm f2.0 Lens > > > > It seems to me that shooting a fast lens stopped down a > > couple of stops > > would give a similar viewfinder > > brightness as using a zoom lens wide open, but you would have > > the benefit > > of a generally higher contrast image to work with. > > I can't believe people can't figure this out and choose to > > argue about it > > instead, > > since we've been manually focusing zoom lenses in the > > f/4-f/5.6 maximum > > aperture range for a > > couple of decades. > > Obviously, it's doable. > > > > that was precisely my thinking when I bought the Carl Zeiss adapter > for my E-system cameras. The kit zoom is a 3.5-5.6 thing. My CZ lenses > range from 1.4 to 2.8 wide open, and are generally at their best > around 5.6. So the viewfinder is plenty bright enough when I use them, > and I'm not particularly worried that I lose stopped-down metering, > even when I focus manually. If I need to shoot with a smaller aperture > it hasn't been a problem so far. > > Bob > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
