Promaster Step Up Ring - 37mm-52mm

Finally a step-up ring that doesn't wobble or cross-thread—this one threads on smoothly and holds my filters rock solid. The machining is spot on, so there's zero light leak around the edges.

Swapped my 37mm lens to use my 52mm filters and the threads caught perfectly on the first try, zero wobble or cross-threading. Precision machining really shows here—it's solid in the hand and screws on with a satisfying, snug click. Exactly what I needed to make my existing filters work across lense

The machining is impressively smooth—screws onto my 37mm lens without any wobble. This little ring makes using my larger 52mm filters a breeze, definitely worth the few bucks.