Canon Drop-In Screw Filter Holder
Best filter solution for photographers using large, non-threaded telephoto lenses.
This is the essential workaround for super-telephoto shooters who need filters but lack front threads. By shifting the filter slot to the rear, it solves a major optical hurdle without adding bulk to your front element. It’s a specialized, elegant fix that keeps your glass protected and your creative options open.
$155.65
at
Unique Photo
More Drop-in Filter Holder options
Who it's for
- Wildlife photographers using telephoto lenses without front filter threads
- Action shooters needing fast filter changes in the field
- Outdoor photographers wanting rear element protection from dust and debris
Who should skip it
- Budget-conscious buyers seeking affordable, universal filter solutions
- Photographers who already own larger, standard-sized filter kits
- Field photographers working in dusty or harsh, uncontrolled environments
Performance breakdown
Compatibility Range
Strictly limited to specific high-end Canon super-telephoto glass.
Build Integrity
Rugged, professional-grade construction matches the durability of L-series lenses.
Ease of Integration
Seamless drop-in design makes swapping filters quick and intuitive.
Filter Versatility
Standard 52mm threading opens up a massive ecosystem of creative filters.
Optical Neutrality
Included protector filter maintains the pristine clarity of expensive telephoto optics.
Ergonomic Handling
Rear-mounted design keeps the front element balanced and easy to manage.
Key Specs
Holds 52mm Screw-In Filters
Compatibility
EF 400mm f/2.8L IS III USM, EF 600mm f/4L IS III USM lenses
Model Number
3049C001
SKU
96680
UPC
013803306088
Diameter
52.0 millimeters
Filter Thread Size
52.0 mm
Lens Mount From
Canon EF
Mount Type Connection
Screw-On Thread
Adapter Type
Standard Adapter
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