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Doru Dragan

26 Sep 2008 20:31



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DO elements are extremely expensive to make due to their high rejection rate, and therefore are introduced in limited EF lenses.
......
http://www.the-digital-picture.com/Reviews/Canon-EF-70-300mm-f-4.5-5.6-DO-IS-USM-Lens-Review.aspx
http://www.photoaficionado.com/lenstalk/70_300_do.html

si in final uite si un program pentru cei care vor sa se apuce de gravura:
http://diffractive.optics.free.fr/