- Aviation-grade CNC process aluminum
- Matte black frosted anti-reflective finish
- Easy to use, compatible with 100mm wide and 2mm thick filters or round (86mm) camera filters
- No vignette for wide angle lens larger than 18mm even when using 3 filters at once
Note from Sean: This is a really good deal. The LEE foundation kit costs about $ 90.00 and you still have to purchase an adapter ring to complete the kit. When adding ProOptic Foundation Kit to your cart, Adorama allows you to add an adapter ring up to 77mm at no additional charge (the 82mm adapter ring is $ 1.00) via the following screen.
I purchased the ProOptic 4X4 Filter Holder Foundation Kit (seen above on my 5D III) when we posted the deal on Oct. 30. I’ve used the filter holder several times since it arrived and I’m even more convinced now that this product is an excellent value (especially at this price). [Sean]
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