Filter Holders and Vignetting

ron smith accessories, photography courses

Getting ready for a two week photo-shoot in Devon I was putting some of the equipment together and found the ND graduated filters and holder which has been there for a while. Checking out reviews of these square filters you find that there are divergent opinions on the subject of vignetting at wide focal lengths (say 18mm) so here are a few thoughts having tried and got some strange results. First, the filters are fine plastic or glass (if you have the money). We have tried out Cokin and Hitech standard (not the pro versions). We found that Cokin made …

ron smithFilter Holders and Vignetting