77mm Variable ND3-ND1000 Filters Adjustable ND Neutral Density Filters,with 24 Multi-Layer Coatings for DSLR Camera Lens Nano-Dazzle Series

SKU: KF01.1837

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I don't know what lenses this camera mainly uses or if it has a permanently installed one, but if in doubt, adapter rings can be bought for a small amount of money. 
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Hello, we have determined that the Canon EF 24-105mm lens size is 77mm. Please confirm this again; the number next to the "ø" (diameter) symbol indicates the lens size. If the number is 77, simply order a 77mm filter. Thank you! 
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It depends on your lens; a 62mm filter fits my 50mm f1.8 lens perfectly. 
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Hello, the Nano-X series is a high-quality series from K&F Concept; this filter is part of the Nano-X series; the Nano-X does not represent an "X" cross. 
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No, it can be screwed on directly. 
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Yes, the filter has an external thread. A combination filter doesn't really make sense because the flow rate is regulated by the adjustment ring.