49mm MCUV Protection Filter with 28 Multi-Layer Coatings HD/Hydrophobic/Scratch Resistant/Ultra-Slim UV Filter for 49mm Camera Lens Nano-Xcel Series

SKU: KF01.983

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This UV filter frame was made by aviation aluminum. 
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This UV filter frame was made by aviation aluminum. 
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Yes, both sides are coated. 
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Yes, both sides are coated. 
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Yes , this filter has outside thread for lens cap , same as the filter size 
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Yes , this filter has outside thread for lens cap , same as the filter size 
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Is it threaded on the front side so it can accept more filters? 
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Is it threaded on the front side so it can accept more filters?