That is much how I operate - mostly manual metering and constant aperture zooms or primes - I don't know if you are doing it or not, but RAW helps a bit with the dynamic range.
-- Best regards, Bruce Friday, March 2, 2007, 1:58:58 PM, you wrote: JCOC> Hi, all my comments regarding constant aperture JCOC> WERE with vinage AND "modern" digital camera usage. JCOC> Probably even MORE so with current digital. I cant JCOC> speak for the K10D, but I can on the istDS and its JCOC> got very narrow exposure latitude because of its JCOC> limited dynamic range making autoexposure essentially JCOC> useless to me and I would only use it if I absolutely JCOC> had no choice... JCOC> I dont know about anybody else, but when I DO JCOC> have consistant lighting, like a clear, sunny JCOC> day or studio lights/flashes, I MUCH MUCH MUCH prefer JCOC> manual (fixed) exposure mode, and with a zoom JCOC> its GOT to be constant aperture for that to JCOC> work right. Using autoexposure, even under consistant JCOC> lighting gives you INCONSISTANT exposures with JCOC> any camera, any lens, because the camera gets fooled every JCOC> time the subject reflectance changes and the exposure JCOC> settings get changed for no reason.... JCOC> jco JCOC> -----Original Message----- JCOC> From: [EMAIL PROTECTED] JCOC> [mailto:[EMAIL PROTECTED] On Behalf Of JCOC> John Whittingham JCOC> Sent: Friday, March 02, 2007 4:07 PM JCOC> To: Pentax-Discuss Mail List JCOC> Subject: RE: Alternative to the DA50-200/4-5.6 ? - Try the SMCK 45-125/4 JCOC> On Fri, 2 Mar 2007 12:35:32 -0500, J. C. O'Connell wrote >> I guess you and I just have totally different priorities. I >> dont use the 200-300mm (FF equiv)/(135-200 APS) range on zooms >> hardly at all (its a speciality, rather than general purpose, range JCOC> based >> on actual needs for me, and when I go that long, I generally prefer >> primes ). >> In the more common 28-200(FF)/18-135(APS) range, I would much rather >> have a FASTER >> constant aperture zoom lens/lenses (especially for MANUAL exposure >> which I prefer for most situations, even on digital at this point >> due to exposure latitude problems) , and especially for manual JCOC> focussing >> which I still prefer on ANY camera in most situations. I really >> HATE variable aperture zooms, because Manual exposure with them, both >> ambient and flash is nearly impossible to get consistant >> results in terms of exposure as you zoom in and out when the >> f-stop variation is one stop or more from end to end and it often >> is. >> JCO JCOC> Hi John, JCOC> Yes seems that way, I often use manual exposure and manual focusing, but JCOC> more JCOC> often aperture priority and AF. With the more modern cameras I find JCOC> variable JCOC> aperture zooms less of a problem than with say my MX. The K10D is even JCOC> more JCOC> convenient as I can set desired f-stop and shutter speed and let the JCOC> camera JCOC> choose the sensitivity, hey no changing film emulsions. JCOC> For the size and weight of the 45-125 I would replace it with the FA JCOC> 80-320 JCOC> on digital, giving me a 480mm f/5.6 equivalent at the long end, JCOC> sometimes JCOC> 600mm is inadequate for my needs depending on subject. JCOC> As regards a lightweight kit, I'm not really concerned about the number JCOC> of JCOC> lenses as long as they fit into a Lowepro Nova 3 bag. I had several JCOC> combinations for the MZ-3 one of which was: 24/2.8, FA 28-105 and JCOC> FA80-320, JCOC> I'm still not decided on the wide end for digital. JCOC> If I need anything lighter, it's a holster case, one lens on camera and JCOC> some JCOC> creativity/imagination 8) JCOC> Regards, JCOC> John JCOC> ------------------------------------------------------------------------ JCOC> ---------------------------- JCOC> The information transmitted is intended only for the person to whom it JCOC> is addressed and may contain confidential and/or privileged material. If JCOC> you have received an email in error please notify Carmel College on JCOC> [EMAIL PROTECTED] then delete all copies of it from your systems. JCOC> Although Carmel College scans incoming and outgoing emails and email JCOC> attachments for viruses we cannot guarantee a communication to be free JCOC> of all viruses nor accept any responsibility for viruses. JCOC> Although Carmel College monitors incoming and outgoing emails for JCOC> inappropriate content, the college cannot be held responsible for the JCOC> views or expressions of the author. The views expressed may not JCOC> necessarily be those of Carmel College and Carmel College cannot be held JCOC> responsible for any loss or injury resulting from the contents of a JCOC> message. JCOC> ------------------------------------------------------------------------ JCOC> ---------------------------- JCOC> -- JCOC> PDML Pentax-Discuss Mail List JCOC> PDML@pdml.net JCOC> http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
