Archived posting to the Leica Users Group, 2002/03/29
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]When setting at EI 200 in this case do you shorten the development cycle as one would in B&W or develop as if it was at 400? AGS - ----- Original Message ----- From: "Don Dory" <dorysrus@mindspring.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Friday, March 29, 2002 4:56 AM Subject: Re: [Leica] SF20 Flash question > Christopher, the distances are based on output. So, at +1 over ambient > light the distance will be shorter. You see the EV dial is changing the > ratio to ambient, not supercharging the total output. > > You use the EV dial to adjust the look of the shot. At -1 or -2 the flash > will fill the shadows but not look like a flash shot. You would use the > plus side for several effects. At weddings the bride is usually in white so > you need to force more flash to keep the dress white. Another use of the > plus side is to make the subject POP. > > This technique is done by underexposing the ambient by one stop or so > depending on film stock. Usually done by changing the EI setting or on a > manual camera setting the aperture smaller. You then adjust your flash to > put out more light relative to ambient with a minimum of the same on the > plus side as the ambient is negative. Most people on negative film would > add at least a half stop more. When printed, the main image is right and > the background is darker but not obviously darker as in a P/S at night. > > In practical terms, say you are using a 400 speed film. Set your EI at 200, > set your flash a +1.5, and shoot away. This is a great method of separating > foreground/background in busy settings. > > Hope this helps. > > Don > dorysrus@mindspring.com > > -- > 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