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Empty Drop-in Filter for Canon RF/EF Adapter

$49.99

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Items with pre-order status are in production and have not been made yet, and typically take a few months before they ship. Items "On Backorder" are temporarily out of stock, and may take several weeks to months until they are back in stock and ready to ship.
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1 in stock (can be backordered)

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Kolari R Drop-in Filters for Canon EF-EOS R Lens Mount Adapter (Empty)

Use your own custom glass with this modular insert.

IRchrome

Upgrade your kit with our customizable Kolari Empty Drop-in Filter for EF-EOS R Lens Adapter. It’s designed to let you insert the glass from any threaded 52mm filter ring into our drop-in filter frame, giving you full creative control. With optional support, the frame can also accommodate 48mm (2”) and 49mm threaded filter glass, expanding your compatibility even further. All of our Drop-In filters are compatible with Canon’s and Meike’s Drop-In adapter systems, as well as our own.

Kolari R Drop-in Filters for Canon EF-EOS R Lens Mount Adapter (EF/EF-S to RF) are designed with both durability and usability in mind. Each filter is machined from solid aluminum with a wide grip and a lanyard attachment point, offering lightweight strength, secure handling, and user-friendly customization. Our precision-fit attachment system applies just the right amount of pressure, making it easy to swap filters intuitively—while ensuring they stay firmly in place during use.

All Kolari R Drop-in Filters for Canon EF-EOS R Lens Mount Adapter (EF/EF-S to RF) feature advanced AR (anti-reflective) and AS (anti-smudge) coatings for improved light transmission, reduced reflections, and easy cleaning.

Works with:

Canon RF-mount camera bodies (e.g. EOS R, R5/R6/R7/R8/R50/RP) and RED Komodo/V-Raptor

Canon EF & EF-S lenses (mounted “behind” the adapter)

Drop-in filters from:

Kolari R series (ND, IR/UV-cut, UV-bandpass, IR-ND, etc.)

Canon’s own EF→RF drop-in filters

Meike-compatible drop-in filters

Does not work with:

RF-mount lenses (they cannot be attached through this adapter)

Standard front-mounted filters (only drop-in style filters fit the internal slot)

Make Custom Filters | Kolari Empty Drop-in Filter for EF-EOS R Lens Adapter

Kolari R Drop-in Filters for Canon EF-EOS R Lens Mount Adapter

Kolari K720 Infrared, view from the front

Premium Optical Glass

Constructed from high-quality, precision-polished optical glass, these filters ensure exceptional clarity and sharpness.
Kolari K720 Infrared, view from the front showing coating layers.

Multiple Coating Layers

Anti-reflective, anti-smudge, hydrophobic, dust-resistant, and scratch-resistant coatings for superior durability.
Kolari K720 Infrared, CNC-machined aluminum with a knurled grip for fast filter changes

Quick, Secure Swaps

CNC-machined aluminum with a knurled grip for fast filter changes — snaps in securely with no wiggle or play.

Frequently Asked Questions

Kolari R Drop-In Filters are high-quality filters designed to be used with the Canon EF-EOS R Lens Mount Adapter, allowing seamless integration of filters into your photography workflow.
The Kolari R Drop-In series includes various types of filters such as ND (Neutral Density), CPL (Circular Polarizer), UV, IR, and other specialty filters to enhance your photography.
Our drop-in filters can be used with any Canon EF lens when mounted on a Canon EOS R series camera using the EF-EOS R Lens Mount Adapter.
No, Kolari R Drop-In Filters are made with high-quality optical glass and coatings, ensuring that image sharpness, color balance, and overall quality are maintained.
These filters are specifically designed for use with the Canon EF-EOS R Lens Mount Adapter and may not be compatible with other camera systems or adapters.
Drop-in filters provide convenience and flexibility, allowing you to quickly change filters without removing the lens. This is especially useful in dynamic shooting environments.
Clean the filters gently with a soft, lint-free cloth and lens cleaning solution. Avoid using harsh chemicals or abrasive materials to maintain their optical quality.
No, the filters are designed to fit perfectly within the Canon EF-EOS R Lens Mount Adapter, minimizing any risk of vignetting.

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Filters and accessories now shipping from Slovenia with VAT included and quick DHL shipping.
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