Dear friends
Being new to the use of Macro photography, I am slowly learning to adjust,
perhaps you can provide me better tips so that I can make best use of my
lens in forthcoming trip starting tomorrow.
My Canon EF 100mm f/2.8 macro USM lens two distance selections 0.31 m -
infinity and 0.48 m to infinity, I am using first selection.
If I try to go minimum distance (I have Aperture priority set at 22 (change
it to 20 or 25 sometimes), the depth of field seems to diminishing and it
becomes difficult to keep object in focus and click (lens being heavier),
if I increase the distance the depth of field increases and clicking with
object in focus is easier.What should be ideal distance when focussing
flower (camer is 18 mega pixels) so that both depth and sharpness are
maintained.?
Earlier I had thought that perhaps Macro lens is only for close ups of
near objects, but today I have learnt that it is very useful for distant
object, acting as a telephoto lens. I could take well focussed photographs
of twigs of distant trees. Perhaps I can use this both for photographs of
habit as well as close ups of floral parts.
--
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
http://www.gurcharanfamily.com/
http://people.du.ac.in/~singhg45/
