Bill Lang wrote: >Night shot effects aside - it seems to me that Kodachrome 200 would be >more 'forgiving' for daylight shots than Kodachrome 25 - or am I getting >print and slide film performance confused? > There is no difference for this discussion between print and slide film. The ASA is the key to what I am talking about. The faster the ASA of the film, the more light it will absorb in a given amount of time. Kodachrome 200 is three time faster at absorbng light than 25. So if you over expose the shot by one F stop or one shutter speed setting, you are allowing twice the amount of light to hit the film. Therefore Kodachrome 200 will absorb three times the amount of light that K25 will in the given time.
The if the latitude of both films is the same, then K200 will be over exposed by the equivalent of three stops as absorbed to K25 by one stop. Charlie Dischinger -> SPORRS: 'Serious Photographers Of Railroad Related Subjects' -> Web Site: http://www.anet-stl.com/acphotog/sporrs/ -> Message © 1998 SPORRS® - All Rights Reserved
