I am a bit confused... I'm not sure if the cokin system will work on my lens, as my lens doesn't have threads for a filter. I've found that placing a Z series cokin filter in front of the lens will ...
I wanna shoot video on a sunny day with a 1/50 shutter speed and f/1.8 (for a bokeh effect). I'm wondering what ND filter rating should I get in order to not over or underexpose the video. Could you ...