"Malcolm Stewart" <[EMAIL PROTECTED]> wrote/replied to: > >> I'm interested in getting and using an EF25 closeup tube on my 100-400 >> IS. >> What I'm wondering is what kind of focusing range I'll get with this >> tube, how far out I will be able to focus, and how close. >> Any advice on DOF and whether the EF12 or EF25 would be best for me >> are appreciated. >> What about using both - any disadvantages? >snip > >It's too early in the morning for me to guess how it will affect close focus, >but almost certainly it'll turn your zoom into a varifocal lens, as would using >the EF12. Your camera's AF may cope, but don't be surprised if you get hunting. >I've had both for some time and using the EF 100 f2.8 macro is much easier - but >it's not a 400! > >Malcolm
I will be manually focusing, I want to know about DOF and focus range. * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
