Promaster Step Up Ring - 37mm-52mm

Name: Promaster Step Up Ring - 37mm-52mm
Brand: Promaster
SKU: 5190
Price: 6.57 USD
Availability: InStock
Rating: 4.6 (5 reviews)

Promaster Step Up Ring - 37mm-52mm - Main image

Promaster Step Up Ring - 37mm-52mm - View 2

$6.57 ~~$9.95~~ In stock

Category: Stepping Rings

A perfect complement to the ProMaster filter line. ProMaster Stepping Rings are precision machined to properly convert the thread size of your filter and/or lens.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Sebastian ★★★★★ Oct 22, 2026

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.

Abigail ★★★★★ Oct 21, 2026

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

Hazel ★★★★★ Oct 20, 2026

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.