37-40.5mm Step Up Ring Aviation-grade Aluminum Filter Adapter Ring 2-pack with a Cleaning Cloth
SKU: KF05.329
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Adapter rings are usually very light and are made of lightweight aluminum alloy, so they add very little weight.
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The filter adapter rings produced by our company are made of aluminum alloy, which has the advantages of corrosion resistance and sturdiness. They can withstand the wear and tear of daily use and are durable for a long time.
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First, determine your lens diameter (the number after the ø symbol on the front of the lens, such as 58mm), and then confirm your filter size (such as 77mm). You can choose a filter adapter ring of 58mm-77mm.
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The adapter ring itself does not contain any electronic components, so it will not affect the autofocus function of the lens.
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The numbers on the front of the adapter ring are the diameter of the lens to be adapted, and the numbers on the back are the diameter of the filter to be adapted (the numbers after the ø symbol on the front of the lens are the diameter of the lens)
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The filter adapter rings produced by our company can be used in a stacked manner. After stacking, your lens of a certain caliber can be compatible with filters of different calibers.