K & F Concept Nano X ND1000 40.5mm camera filter

K&F Concept Nano X ND1000 40.5mm filter

This neutral density filter fits lenses with a 40.5mm thread and reduces light by approximately ten stops for long-exposure photography. It suits landscape and creative photographers who need motion blur or shallow depth of field in bright conditions. The ultra-thin frame minimises vignetting on wide-angle optics. Buyers wanting variable density or graduated effects should choose a different filter type.

Limits of fixed ND1000 density

A single ND1000 rating cannot be adjusted, so exposure changes require swapping filters or altering aperture and shutter speed. The 0.13" ultra-thin frame reduces corner darkening but offers no front thread for stacking additional filters. Nanometer coating cuts reflection and resists water, oil and scratches, yet it does not eliminate colour cast entirely. Extreme focal lengths may still show slight vignetting despite the slim profile.

Check lens thread and filter use

Verify that your lens barrel is marked 40.5mm before ordering; other thread sizes will not fit. Confirm you need a solid ten-stop reduction rather than a variable or lighter ND filter. Ensure your camera can meter or focus through the dense glass, or be prepared to compose and focus before attaching the filter. The filter has no front threads, so plan for single-filter use only.