Kolari EF-EOS R Drop-In Filter Mount Adapter For Canon EOS R

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Kolari EF-EOS R Drop-In Filter Mount Adapter For Canon EOS R

Eliminate the need for buying different size lens filters for your lenses with our new Kolari RF to EF Drop-in Filter Adapter For Canon RF Mount!

The adapter connects smoothly to your Canon EOS R camera and has been carefully designed to feature precise register distance for optimal focus and sharpness when using your EF lenses with drop-in filters. The light baffled interior helps reduce stray reflections and the exterior offers an effective weather seal against the lens and drop-in filters. Our precision CNC machined adapter features an aluminum shell with a rugged knurled traction grip that just feels great in your hands.

Our adapter is fully compatible with our Kolari R Drop-in Filters and Canon’s drop-in filter line-up as well!

Please note that some type of drop-in filter MUST be inserted into the Kolari EF-EOS R Drop-In Filter Mount Adapter while in use. The filter prevents light leaks and helps with focusing.

Options: Kolari R CPL Drop-in Filter,  Kolari R 2-10 Stop VND Drop-in Filter, or Kolari R Clear Drop-in Filter

Compatible with Canon EOS R, R5, R6, & RP. 

All of our Drop-In filters are compatible with Canon’s Drop-In adapter system as well as our own.


By purchasing you agree to our Terms of Purchase

Additional information

Filter Choice

Adapter Only – No Filter, 3-Filter Kit (CPL + VND + Clear), 2-10 Stop VND, CPL, Kolari Clear – Dust Protective


All of our electronic products come with a 1-year warranty.

Our filters come with a lifetime guarantee.

International Orders

Do you accept international orders?

Absolutely! For accurate shipping costs, please enter your complete shipping address during the checkout process. Some locations may be subject to a remote area surcharge via FedEx Express. The system will not automatically calculate this surcharge. Please check the following link if your city/zip code is considered a remote area: https://www.fedex.com/content/dam/fedex/us-united-states/services/Zipcodes_OPA_ODA.pdf

If you place an order and your city/zip code is on this list, we’ll reach out to you via email to collect the surcharge.

***We legally can not declare lower values for customs and duties. We ship all of our international orders from the United States.  Please note that we do not collect taxes, duties, or VAT. International customers are responsible for all duties, taxes, and VAT that may be charged by their respective local customs office. You may also be subject to a brokerage charge when you choose FedEx, UPS, or DHL shipping options.***

1 review for Kolari EF-EOS R Drop-In Filter Mount Adapter For Canon EOS R

  1. Paul Guillet

    I purchased the Kolari EF-EOS R Drop-In Filter Mount Adapter For Canon EOS R, with the Clear and CPL drop-in filters (see photos) for my Canon 6R. Having used them now in the field, I am extremely pleased with all three components. They are all of high quality, durable and well-finished. Most importantly, they fit and function with my R6 as if they were actual Canon accessories. After waiting months for a competing 3rd-party maker of a similar filter adapter system to no avail, Kolari was able to ship these without delay after my purchase was placed.

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