With 16 2/3 stops of light reduction the filter yields exposure times of several minutes in bright sunlight. Hoya uses a precise metal vapor deposition process to create the ultra-dark ND effect while maintaining a very neutral color balance for faithful color reproduction at extremely long exposure times. The PRO ND100000 is available in four common filter sizes. If the size is not available to match a particular lens, purchase the next larger size and use an appropriate step-up ring. Step-up rings are available online and at your local camera store.
Caution, Please Read: The Hoya PRO ND100000 is not suitable eye protection for viewing of sun or solar eclipses. Do not look directly or indirectly into the sun without appropriate eye protection. The ND100000 should be installed in front of the camera lens or telescope before trying to align it with the sun. Do not use an optical viewfinder when aligning your camera or telescope with the sun. If the camera has an LCD screen with a live-view feature, use that to align it with the sun and for viewing.
It is possible to damage your camera's sensor if the sensor is exposed to direct sunlight for extended periods of time. Please take extreme caution when photographing the sun.
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