Connect your square filter holderOur Adapter Rings let you use different size lenses with our 75mm Square Filter Holder System. Find the right adapter ring for your lens diameter here.Explore the creative opportunities of our Square Filter range. Our Adapter Rings let you adjust for use with our 75mm Square Filter Holder System. Once mounted on your lens, it allows you to attach a square filter holder.This product comes in a range of sizes so you can use our Square Filter Holder System with different lenses. Find the right adapter ring for your lens diameter and then use this ring to connect your lens to the square filter holder.Lightweight and strongAlloy works great.Matte blackAnti-reflective finish.Standard sizeFits most 75mm square filter holders.QualityQuality you can trust.Durable MiraclesLightweight and reliable.True threadsFor easy mounting.Unlock creative optionsAdapt your lens for square filter holders..