This 1 to 5-stop 52mm Nano X-Pro Magnetic Variable ND Filter from K&F Concept is an adjustable neutral density filter with a 1 to 5-stop exposure range that can easily control the amount of light entering the lens for finer image control. The filter density is easily changed by rotating the filter ring, and the advanced optical design prevents the "X" pattern found on lower-quality filters from appearing on the image.

This filter darkens the entire image area evenly, allowing a photograph to be made with a slower shutter speed or wider aperture without overexposing your image. Slowing the shutter speed increases the exposure, making it possible to increase motion blur to emphasize motion, such as when shooting flowing water. Alternately, increasing the aperture provides finer control over depth of field, useful when trying to isolate the subject. This adjustable filter is especially useful when shooting landscapes and in very bright conditions and can be used for both still and video imaging. Adjusting filter density also makes it possible to control frame rate when shooting video.

This optical glass filter features a 28-layer nano-coating to reduce potential flare and glare, and for optimal resolution and color transmission. It also provides a resistance coating that repels oil and water, plus minor scratches, and abrasions, making suitable for use on location even in harsh environments. This durable aluminum-magnesium alloy filter ring includes magnetic adapter ring that fits lenses with 52mm filter threads, allowing it to be attached and exchanged in seconds.

Variable 0.3 to 1.5 Optical Density    Multicoating, Resistance Coating    Optical Glass Construction    Darkens Entire Image    Allows Reduced Shutter Speed    Allows Wider Aperture    Includes 52mm Magnetic Adapter Ring

Related Questions and Answers

Q: 1. Would this adapter fit onto an RF Teleconverter extender? So rf camera - extender - adapter - ef lens? Thanks!

A: The RF teleconverters do not fit into the EF-RF adapters, so that order would not be possible.

Q: 2. Does this filter allow the use simultaneoulsy of the OM system12-40 f 2,8 II original lens hood ?

A: Yes, as the hood is based on a twist and lock system.

Q: 3. If this filter is submerged in water during a shoot, will the seam between the two moving parts leak? Is that seam between the two moving rings waterproof?

A: No, the seam between the two elements in the B+W MRC-Nano Master CPL is not gasketed or waterproof.

Q: 4. Will the 112mm work on a Nikon 14-24mm 2.8?

A: Yes, the B+W Master High-Transmission Kaesemann Circular Polarizer MRC Nano Filter (112mm) is the right size filter for the Nikon NIKKOR Z 14-24mm f/2.8 S Lens.

Q: 5. Does the 112mm CPL work on Canon RF 100-300mm f/2.8L IS USM lens?

A: Yes, the B+W Master High-Transmission Kaesemann Circular Polarizer MRC Nano Filter (112mm) will work with the Canon RF 100-300mm f/2.8 L IS USM Lens (Canon RF), BH #CA10030028RF.

Q: 6. Does this include, or even support, the tripod "foot" (that comes with the $164 version, but not the $99 version)?

A: No.

Q: 7. Is there a non-variable ND filter option that can be dropped in? VND can cause some really weird looks across the frame and the more I use them, the more I dislike them.

A: You can use this polarizer in the adapter. https://www.bhphotovideo.com/c/product/1434114-REG/canon_3445c001_drop_in_circular_polarizer_filter.html This clear filter is used when there is no filter present to prevent dust getting into the camera. https://www.bhphotovideo.com/c/product/1434115-REG/canon_3444c001_drop_in_clear_filter_a.html

Q: 8. Can the filter be used with a step down/up ring for a 72mm lens size?

A: B+W High-Transmission MRC-Nano Master Circular Polarizer Filter (77mm) BH #BWCPHTM77 can be used with 72-77mm Step-Up Ring for a 72mm lens size.

Q: 9. Where are these manufactured? How many stops do you lose? Is it indexed as you turn the circular polarizer so you can understand you're settings in some manner?

A: As per our records, the B+W High-Transmission MRC-Nano Master Circular Polarizer Filter is made in Germany. Please note that this information is subject to change at any time. While there are no index marks on the filter, it does reduce the light by approximately 1.5 stops.

Q: 10. Can this EF-RF adapter accept the Canon Super Telephoto drop-in filter holders?

A: Canon Drop-In Filter Mount Adapter EF-EOS R with Variable ND Filter has a built-in/ non removable Nd filter. There are no threads either to screw additional filters. The drop in filter magazine is also smaller than the standard telephoto drop in filter. It's dimensions are 6mm x 53mm x64mm.