72mm Solar Filter ND1000000,20-Stop Solid Neutral Density Filter Celestial Event Photography Filter with 28 Multi-Layer Coatings for DSLR Camera Nano-Xcel Series

SKU: KF01.2581V1

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The best stacking combination of nano-film systems is used to make the spectrum overall smooth and there will be a little color cast. 
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When photographing a solar eclipse, the autofocus function is difficult to achieve and it is recommended that you focus manually. 
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For threaded installation, just screw it directly on the lens thread. 
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Using optical glass, shooting is safer than Bader film. 
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Lens caps can be installed, as long as they are of the same caliber. 
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The transmittance of ND100000 is 1/100,000 and has 16.6 levels. 
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The transmittance of ND100000 is one ten thousandth of white, with 16.6 levels. 
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When photographing a solar eclipse, the autofocus function is difficult to achieve and it is recommended that you focus manually. 
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The frame adopts an ultra-thin design, with a thickness of only 3.3mm.