This 6 to 9-stop, 72mm Magnetic Variable ND Filter with Magnetic Adapter from Kase provides an increase in neutral density through a 6 to 9-stop range. Increasing neutral density offers finer control in available shutter speeds or aperture settings for both still and video applications. It is fully compatible with Kase Wolverine, Kase Revolution, Kase Skyeye magnetic filters and lens caps.

1.8 to 2.7 Optical Density    Durable, Tempered Optical Glass    Anti-Rotation Locking Magnetic Adapter    Tight 20º, 6 to 9-Stop Turn Radius    Easily Stack Filters

Front ring is 77mm to prevent vignetting.

Fully compatible with Kase Wolverine, Kase Revolution and Kase Skyeye 77mm magnetic filters and lens caps.

Stack 77mm Kase magnetic filters on top of each other.

Swap filters superfast, up to four Kase Wolverine filters can be stacked.

Tight 20-degree turn radius with hard locks at 6 to 9-stop for rapid adjustment.

Precise marking on rim for accurate ND settings.

Related Questions and Answers

Q: 1. I have 67 and 72mm lens. I want to purchase this 72mm revolution Nd. Will it work with Kase Wolverine 67-72 step up rings?

A: Yes, the Kase KW Revolution Professional ND Kit (72mm) will connect to the Kase Magnetic Step-Up Ring for Wolverine Magnetic Filters (67 to 72mm). Please open the link below if you would like to review the step-up ring: https://bhpho.to/36bjFEm

Q: 2. Does this seriously not come with a cover for when the filter is not in place? That would be Canon's ultra-stingy style.

A: You can get Canon Drop-In Clear Filter A for when you don't wont to use a ND filter https://www.bhphotovideo.com/c/product/1434115-REG/canon_3444c001_drop_in_clear_filter_a.html

Q: 3. can this be combined with the Canon control ring mount adapter EF-EOSR?

A: No,the Meike Drop-In Filter Mount Adapter EF to EOS-R with Variable ND Filter does not work with another lens adapter. It attaches direct to a Canon RF mount camera and the other side is for EF mount lenses.

Q: 4. I am more concerning the image quality and autofocus speed when using this variable ND filter. Does it degrade the image quality or add othe color tone(s) or hue(s) to the captured image? Does it slow down the autofocus speed at all?

A: It works well , The darker the ND the slower the focus usually it gets , but in Mirrorless Digital Camera its not as bad , and it does not have a color shift

Q: 5. Does this work on the RP as well?

A: Yes, the Meike Drop-In Filter Mount Adapter EF to EOS-R with Variable ND Filter would be compatible for use on the Canon EOS RP Mirrorless Camera.

Q: 6. Can we change lenses without removing the adapter? In other words can the adapter stay in the camera when change lens?

A: Yes, the lens can be removed from the Meike Drop-In Filter Mount Adapter EF to EOS-R with Variable ND Filter without removing the adapter form the camera.

Q: 7. Will other brand EF lenses with autofocus continue to work with this adapter?

A: All EF lenses with autofocus Will work same way as on an SLR. The adapter only compensates for the shorter flange distance of the mirrorless body. in addition the filter slot makes easy to use one drop-in filter for every lens no matter the size of the front lens thread.

Q: 8. For this price does it come with the extender and the ND filter?

A: Yes. The price of $399 (dec 4th) is with the filter. Note: "Style: With Drop-In Neutral Density Filter"

Q: 9. How many stops is the filter range?

A: The filter's wheel will cut light from 1 to 9 stops, or an optical density of .3 to 2.7. It is not know at this time (11/20/2018) if this filter will also work in lenses that have a similar drop in filter such as the 200-400/4/1.4x lens. An answer to this should be available in January.

Q: 10. Can these stack? Also, can these go over the wide angle lens?

A: No, the DJI Magnetic ND Filters Set for Osmo Pocket 3 is not stackable. These filters also cannot be used with the wide angle lens.