[Diffraction effects] are why I own a 0.9 3-stop ND filter. I use it for longer exposures of moving water, since I avoid shooting digital SLRs smaller than f/11. (Ken Rockwell Diffraction.)
Archive for May 2009
Photo advice
[Diffraction effects] are why I own a 0.9 3-stop ND filter. I use it for longer exposures of moving water, since I avoid shooting digital SLRs smaller than f/11. (Ken Rockwell Diffraction.)