Archived posting to the Leica Users Group, 2005/02/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]What is the relation between lens opening and shutter speed? --- > From: "B. D. Colen" <bdcolen@earthlink.net> > Reply-To: Leica Users Group <lug@leica-users.org> > Date: Wed, 2 Feb 2005 15:13:27 -0500 > To: "'Leica Users Group'" <lug@leica-users.org> > Subject: [Leica] Quiz time.... > > Okay, gang, let's give a quiz.... > The new semester starts for me tomorrow at 7 p.m., and I am planning to > give a short, simple quiz - multiple choice - to get a sense of what my > students do and don't know about the basics of photography - mechanics, > not history or aesthetics. > > I don't care if they've ever shot film, know anything about processing > or printing. What I want to know is what they know about using a camera > - digital or film. > > I have plenty of questions, but I wonder what any of you would ask... > > Thanks - > B. D. > > P.S. I don't care if they know which version of the pre-asph 50 > Summicron is considered the best by Erwin Puts, nor do I care, or could > I ask, if they know what a NOOKY is...:-) > > -----Original Message----- > From: lug-bounces+bdcolen=earthlink.net@leica-users.org > [mailto:lug-bounces+bdcolen=earthlink.net@leica-users.org] On Behalf Of > Aaron Sandler > Sent: Wednesday, February 02, 2005 2:59 PM > To: Leica Users Group > Subject: RE: CC filters (was: Re: [Leica] Re: LUG Digest, Vol 29, Issue > 124) > > > BD, you've reminded me of something I've been wondering: > > Why do folks equate filters on a film camera to in-camera processing in > a > digital camera? > > It seems to me that with digital: > Light enters lens, hits sensor, software in the camera corrects color > > How is that different from: > Light enters lens, hits film, film is scanned, software in computer (eg, > > PS) corrects color > > If a filter would help in the pre-light-hits-film phase, why wouldn't it > > help in the pre-light-hits-sensor phase? > > Inquiring minds want to know. > > -Aaron > >> There are definitely times when PS offers the best, if not the only >> option for color correction. But keep in mind that making changes in >> Photoshop is rarely 'cost free,' in terms of the digital file. So if >> you can make the adjustments in camera if shooting digital, or with >> filters if shooting film, you're probably better off than routinely >> depending upon Photoshop. > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >