focusing range with close-up filtergreenspun.com : LUSENET : Canon EOS FAQ forum : One Thread |
What will be the focusing range of my 50mm 1.8 if i screwed a +250D macro filter on it,the original range is 0.45-infinity? Thanks
-- albert chris (a@b.com), March 05, 2002
Working distance range 161mm to 250mm by calculation. You are welcome.
-- Julian Loke (elan7e-owner@yahoogroups.com), March 05, 2002.
how did you do the calculation julian.
-- sajeev (chack74@yahoo.co.in), March 05, 2002.
See: http://space.tin.it/arte/ripolini/Close_up.htm
-- Julian Loke (elan7e-owner@yahoogroups.com), March 05, 2002.