Marque générale
40.5mm to 55mm Lens Adapter Ring, Step Up Filter
Precision CNC-machined adapter ring made from high-quality, durable aluminum alloy. Easily screws onto any 40.5mm lens and converts the thread size to fit other 55mm accessories (filters, caps, flashes, etc.). Compatible with all 40.5mm lenses and 55mm accessories. Ensure correct thread size by checking your lens or filter. This number is usually prefixed with 'O' (e.g., 40.5mm = 40.5mm). Step-Up rings allow you to use filters and accessories not matching your lens size.
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Updated on May 18, 2026
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