The 7-stop, 72mm NanoPro ND Filter from Haida darkens your image, providing greater control over exposure settings. The filter features multicoated optical glass and an aluminum filter ring with top knurling and both front and rear 72mm threading.

2.1 Optical Density    Multicoated Optical Glass    Aluminum Ring    Front and Rear 72mm Threads    Top Knurling

Related Questions and Answers

Q: 1. Does the kit come with the rear filter holder adapter? Neither of the previous answers answered the question. There is no slit.

A: Yes, the Haida Rear Lens ND Filter Kit for Sony FE 12-24mm f/4.0 G Lens' filter holder can be seen in the second product image on this product page. The filter holder slides into the lens’ built-in filter slot, which is basically just a small lip that is found on two-thirds of the backside of the Sony FE 12-24mm f/2.8 GM Lens.

Q: 2. Do the filters have any IR Cut on them?

A: No, there is no IR Cut on Haida Rear Lens ND Filter Kit for Tamron SP 15-30mm f/2.8 Di VC USD Lens (Canon EF).

Q: 3. Doesn't installing this adapter void Sony's warranty?

A: The Haida Rear Lens ND Filter Kit will not affect the warranty of a lens.

Q: 4. Would these work on Sigma 24-70mm F2.8 DG DN Art Lens for Sony E? The lens looks like having a rear slot.

A: This lens does not have the ability for rear filters.

Q: 5. What is the Stop value of the 4 different filters ? Please help. Thanks

A: The ND filters are ND 0.9, 1.2, 1.8, and 3.0, which amount to 3, 4, 6, and 10-stops respectively. For a beginner's guide to ND filters and the different nomenclatures brands might use, see this B&H Explora guide: https://bhpho.to/3jKaap2

Q: 6. Does this filter kit come with a carrying case for the filters?

A: Yes, a case is included with the Haida Rear Lens ND Filter Kit for Sony 12-24mm f2.8 and 14mm f/1.8.

Q: 7. will this work on a nikon mount?

A: This is only compatible with Sony E-mount and Leica L-mount lenses.

Q: 8. Will this fit on the Rokinon 14 mm w Nikon Z mount?

A: According to the manufacturer, no, the Haida Rear Lens ND Filter Kit for Samyang 14mm f/2.8 RF for Canon RF (3, 4, 6, and 10-Stop) listed above is not cross-compatible with Rokinon 14mm f/2.8 Lens for Nikon Z. They also state that, as of the date/time of this reply, they do not have a rear lens filter option in their inventory currently compatible for use with the Rokinon 14mm f/2.8 Lens for Nikon Z.

Q: 9. Hi, I have never used a rear filter before, if I am adapting the Tamron 15-30 G2 to the Nikon Z-Mount via FTZ adapter, will this rear filter affect my ability to adapt the lens? Thank you

A: No, the use of the Haida Rear Lens ND Filter Kit for Tamron SP 15-30mm f/2.8 Di VC USD Lens would not affect the use of the lens on the Nikon FTZ lens mount adapter.

Q: 10. Do these filters workj on FE mount version on this lens?

A: No, they do not.