Custom bokeh shapes need a large aperture. The max aperture my lens can reach is f3.5. Is it big enough for a custom bokeh? I tried but it doesn't work.
Possible Duplicate: Is there a noticeable difference between 1.8 and 1.4 prime lens? I am a new to DSLR cameras and I just recently got my Nikon D5100 camera. I am now considering buying a ...