Archived posting to the Leica Users Group, 2004/10/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Emanuel, I find 200asa on my digi SLR to be comparable grain/noise wise to Kodachrome 64. IME it id MUCH better than the 200asa print films I have used, the difference is not small. The noise level on the tiny sensored p&s digicams I have used is unacceptable to me unless at the slowest, 50asa, speed. Frank On 17 Oct, 2004, at 02:21, Emanuel Lowi wrote: > This question is related to the issues which result > from the digital crop factor reality (which I keep > getting mixed up with crap factories and crop circles, > but I digress).. > > I ask it in utter ignorance of digital technology. > > Are the ASA settings on today's digital cameras really > equivalent quality-wise to their numerical equivalents > in film? > > For example, ASA 100 film is the usual daylight speed > for me in my normal shooting conditions. I'll load a > slower film (ASA 50, 25) when conditions allow and a > faster film (200, 400) when conditions demand. > Otherwise it's all ASA 100 all the time, because this > gives me the quality I need while allowing me my > preferred shutter speeds and apertures. > > Would ASA 100 still be my "normal" setting with > today's digital technology? Or can ASA 200 be used > without worry and with quality equivalent to what I > am used to, due to a kind of sensitivity setting > inflation ? > > (Please, spare me the Clinton-esque debates over what > I mean by "normal" and "quality." If you can't > proceed to an answer without getting all tangled up in > semantics, please don't bother). > > See, if a digital M has a crop factor, we've only got > the 28/2 and Cosina 28/1.9 as fast-ish wide-ish > lenses. Anything wider is f2.8 or slower and I cannot > see how Leica or Zeiss or Cosina will deliver a > quality 21/2 or 24/2 (never mind f1.4) that won't > obstruct our viewfinders. > > But if digital ASA 200 is just as good as the "old" > film ASA 100, there's less of a problem with the > slower wides and the crop factor. > > Be nice to me if I've asked a ridiculously stupid > question. > > Emanuel Lowi > Montreal > > ______________________________________________________________________ > Post your free ad now! http://personals.yahoo.ca > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >