77mm Variable ND Filter+CPL Circular Polarising Polarizer Filter 2 in 1 Function Graduated Fader Neutral Density Filter MRC 28-Layer ND2 ND4 ND8 ND16 to ND32 No Spox X Issue

SKU: KF01.1087

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Well, that's not fundamentally wrong. Your description of "automatically lights up again" has it all. The camera tries to illuminate the image in such a way that the set lighting values ​​are achieved and the images do not become too dark IF any automatic mode has been selected. 
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Increase two size, e.g. if you are already using a 55mm filter, you will need to use a 62mm filter if you need to overlay a filter 
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Increase two size, e.g.if a 55mm filter is used ,a 62mm lens cap is required 
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the thickness of this pol+nd2-32 is 11.7 mm. 
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The filter only has a thread to screw it onto the lens, unfortunately it is not possible to screw a lens hood or another filter onto it. 49mm is the smallest size for the lens ... 
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As it is in the title: 49mm ....; 0) 
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From my opinion the answer is no ! mine it’s a 82 mm and there no way to hook a Lens cap on it