![Breakthrough Photography announces more than 20 drop-in filters for Canon's EF-RF adapter: Digital Photography Review Breakthrough Photography announces more than 20 drop-in filters for Canon's EF-RF adapter: Digital Photography Review](https://www.dpreview.com/files/p/articles/1107551916/breakthrough-photography-filters-selection.jpeg)
Breakthrough Photography announces more than 20 drop-in filters for Canon's EF-RF adapter: Digital Photography Review
![Breakthrough announces first third-party EF to RF Drop-In Filter Adapter: Digital Photography Review Breakthrough announces first third-party EF to RF Drop-In Filter Adapter: Digital Photography Review](https://www.dpreview.com/files/p/articles/4040877378/breakthrough-buyback-program.jpeg)
Breakthrough announces first third-party EF to RF Drop-In Filter Adapter: Digital Photography Review
![RF Lens - Drop-in Filter Mount Adapter EF-EOS R (with Drop-in Variable Neutral Density Filter) - Canon HongKong RF Lens - Drop-in Filter Mount Adapter EF-EOS R (with Drop-in Variable Neutral Density Filter) - Canon HongKong](https://hk.canon/media/image/2020/04/22/0046a5fe1e3b40a6a0e683d2373dceba_CHK_drop_in_adapter_001_Card_Size.jpg)
RF Lens - Drop-in Filter Mount Adapter EF-EOS R (with Drop-in Variable Neutral Density Filter) - Canon HongKong
![Canon EF-EOS R Drop-in Filter Mount Adapter with Drop-in Variable ND Filter A for sale online | eBay Canon EF-EOS R Drop-in Filter Mount Adapter with Drop-in Variable ND Filter A for sale online | eBay](https://i.ebayimg.com/images/g/4nAAAOSwc7teTeP-/s-l640.jpg)
Canon EF-EOS R Drop-in Filter Mount Adapter with Drop-in Variable ND Filter A for sale online | eBay
![Cpl/nd Drop-in Filter + Auto Focus Ef-eosr Lens Mount Adapter Ring For Canon Ef Lenses To Eos R Rp R5 R6 R3 Camera Body - Lens Adapter - AliExpress Cpl/nd Drop-in Filter + Auto Focus Ef-eosr Lens Mount Adapter Ring For Canon Ef Lenses To Eos R Rp R5 R6 R3 Camera Body - Lens Adapter - AliExpress](https://ae01.alicdn.com/kf/Sb2d25fdab7c64b0286fa3888f1e14dedV/CPL-ND-Drop-in-Filter-Auto-Focus-EF-EOSR-Lens-Mount-Adapter-Ring-for-Canon-EF.jpg_Q90.jpg_.webp)