Urth ND64 (6 Stop) Lens Filter Plus+ - 67mm

ND64 refers to the Neutral Density (ND) factor. '64' indicates that the filter reduces the amount of light entering the lens by a factor of 64, which is equivalent to 6 stops of light.

Yes, you can stack this filter with other filters, such as polarizers or other ND filters. However, stacking multiple filters, especially thicker ones, can increase the risk of vignetting, particularly on wider lenses.

Use a soft lens brush to remove loose dust. For fingerprints or smudges, use a clean microfiber lens cloth. For stubborn marks, lightly dampen the cloth with a dedicated lens cleaning solution. Always wipe gently.

Yes, this filter is highly suitable for videography, especially for controlling exposure in bright conditions to achieve cinematic motion blur by allowing slower shutter speeds.

The 'Plus+' designation refers to Urth's advanced multi-layer nano-coating technology, which enhances light transmission and provides superior protection against water, oil, and scratches.

Urth provides a Lifetime Quality guarantee for their ND64 filters, indicating their commitment to the product's durability and performance.

In most cases, an ND filter will not significantly affect autofocus performance. However, in extremely low light conditions (which this filter is designed to combat), autofocus might be slower.

Ensure the filter is screwed on straight and that the lens itself is not excessively wide for a 67mm filter. The ultra-slim rim is designed to minimize this, but extreme wide-angle lenses can still present issues.

While the filter is designed to be neutral, very slight casts can occur under specific lighting. This can usually be corrected in post-processing software. Ensure the filter glass is clean.

Check that you are using the correct size filter (67mm) and that both the lens threads and filter threads are clean and free of debris. Do not force the filter; try re-aligning it.