Archived posting to the Leica Users Group, 1998/08/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Richard Clompus wrote: > My question: Does the 75/1.4 M lens provide a significantly more narrow > depth of field for portrait work than the 90/2.0 when both lenses are used > with their maximum apertures? Richard, According to the depth of field tables in Eastland's book, at a given distance, say, 1 meter, the depth of field with the 90/2.0 is from 0.99m to 1.01mm (i.e. 2 cm) while at the same distance, with the 75/1.4 you have 0.993m to 1.006m, i.e. 1.3cm. Pretty shallow in either case... Nathan - -- Nathan Wajsman Overijse, Belgium Photography page: http://members.tripod.com/~belgiangator/index.html Motorcycle page: http://www.geocities.com/motorcity/downs/1704/index.html