Square Filter Holder Aluminum Filter Holder with 8pcs Adapter Rings (49/52/58/62/67/72/77/82mm)

SKU: KF16.006

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The size of the adapter ring depends on the size of the filter thread of the lens used. This is noted on the lens and in the lens cap. 
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Gradient in the glass.It is a fairly high quality piece. 
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think so; as long as both parts are 100mm wide, the brand doesn't matter. 
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This is possible if you don't have a suitable adapter ring. However, when reducing larger lens diameters, caution is required because of possible vignetting. 
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That's fine. The polarizing filters also have a rotary thread on the front where the filter plug-in system can be attached. 
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Yes, a bag for the filter is included 
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The filter holder has two slots, so you can insert two filters in a row.