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R. House · 10-30-2007

I have Cokin grad gray filters and didn't use them much because of the color cast, especially using Velvia 50 which gave a strong magenta cast. When I started using digital I tried them because I could get instant feedback on their effect. First thing I noticed was...Very little
color cast! My thoughts are that the white ballance is adjusting and minimizing the color cast.
You do not have to buy the largest holders for cokin filters, the "P" system will easely cover 77mm. As mentioned, probably the worst reason to use cokin is for the ND Grads, especially for film. Cokin also makes hoods which work well and you can order Singh-Ray filters for the "P" system. The holders and filters are not horribly cumbersome, although if you have a front mount that turns during focusing or zooming it will be an inconvience due to disorientation of the holder.

10-30-2007	#16 (permalink)
R. House Vicuna Location: San Diego area, USA Posts: 214 CamelKarma: 88 Editing OK?: Yes Gallery \| Blog	Re: screw on filters vs. cokin filters I have Cokin grad gray filters and didn't use them much because of the color cast, especially using Velvia 50 which gave a strong magenta cast. When I started using digital I tried them because I could get instant feedback on their effect. First thing I noticed was...Very little color cast! My thoughts are that the white ballance is adjusting and minimizing the color cast. You do not have to buy the largest holders for cokin filters, the "P" system will easely cover 77mm. As mentioned, probably the worst reason to use cokin is for the ND Grads, especially for film. Cokin also makes hoods which work well and you can order Singh-Ray filters for the "P" system. The holders and filters are not horribly cumbersome, although if you have a front mount that turns during focusing or zooming it will be an inconvience due to disorientation of the holder.