P Pop Active member Jul 12, 2010 #1 I need to buy ND filters for my 7d. I want a 6 stop or higher filter for timelaps. I have found only one brand which produces this kind of filter: Heliopan. Do you know other options? And what about square filter? Which is a good brand? thank you
I need to buy ND filters for my 7d. I want a 6 stop or higher filter for timelaps. I have found only one brand which produces this kind of filter: Heliopan. Do you know other options? And what about square filter? Which is a good brand? thank you
