Archived posting to the Leica Users Group, 2003/04/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Here we go to the black cat thread! All the people who do not own black cats are experts in BC photography. http://www.sonc.com/paw/belinna.htm SonC - ----- Original Message ----- From: "bdcolen" <bdcolen@earthlink.net> To: <leica-users@mejac.palo-alto.ca.us> Sent: Thursday, April 17, 2003 10:57 AM Subject: RE: [Leica] metereless > Let me give this a try - as a very non-technical guy - > What the incident reading will give you is a very accurate 18% gray > reading of an entire scene. That is, your negative's tonality will > accurately reflect the overall scene, and the contrasts between the > objects within the scene. If you take a reflected reading of the scene, > or even of a given object/person in the scene, the reading will be > skewed by the reflectance of the scene overall, or the object being > metered, and the negative of the entire scene will be thrown off. > > So, yes, you're correct to a point - If you are taking an incident > reading of the light falling on a room in which you are photographing a > black cat, you may want to adjust a bit for the lack of reflectance of > the black cat. On the other hand, the incident reading will give you a > picture that shows you how black the cat looked in the given light. > > Does any of that make sense? > > B. D. > > -----Original Message----- > From: owner-leica-users@mejac.palo-alto.ca.us > [mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of Andrew > Moore > Sent: Thursday, April 17, 2003 11:47 AM > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: [Leica] metereless > > > > Don't think so, you're measuring the light that's falling onto an > > object, not the light reflected from it. > > That's exactly why I'm thinking the measurement still needs some > compensation -- you're measuring the light falling onto it. However, > you're *not* measure the light that's reflected -- and after you take > the incident reading, the film (or sensor :) onto which you're recording > is in reflected light, not incident light. The incident reading will > certainly be more accurate but might still need a tweak or two. > > Maybe not, but it just seems logical to me. Can anyone else comment on > this? > > --Andrew > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html