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Amazon.com: Newks 24 Pieces Lens Filters Adapter Ring Set, Camera Lens Filter Metal Rings Kit,Includes 12pcs Step Up Ring Set & 12pcs Step Down Ring Set,for 26/30/37/43/49/52/55/58/62/67/72/77 to 82mm : Automotive
What are Step Up Rings and Why Do You Need Them?
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A Complete Guide to Using Step Rings | SRB Photographic
Wide angle with magnet and no vignetting? Yes, it works. – Marian Kuric photography