It comes in small center spot (A062/A063) which is designed for lenses between 50 & 135mm, and large center spot (A072/A073) which is suitable for lenses between 21 & 35mm.
Cokin
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It comes in small center spot (A062/A063) which is designed for lenses between 50 & 135mm, and large center spot (A072/A073) which is suitable for lenses between 21 & 35mm.