Metal Square Filter Holder 100mm with 8 Lens Filter Adapter Rings 49mm-82mm

SKU: KF16.006

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I use the pro square system with frames around the glass and have no problem with 24mm. 
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It's a glass filter 
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The filter holder has two slots, so you can insert two filters in a row. 
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Yes, a bag for the filter is included 
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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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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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think so; as long as both parts are 100mm wide,thebrand doesn't matter.