This adapter ring fits the Hitech System 100 filter holders and also the older 94mm filter holders. This adapter ring places the filter holder somewhat closer to the lens than the standard adapter ring. This is necessary for certain wide angle lenses to avoid vignetting.
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Comments about Hitech Adapter Ring for 4x4" Filter Holder - 82mm - for Wide Angle Lenses:
I needed this for only one lens and it does not fit. The ring needs more of an inner space gap that will allow it to thread over a Canon lens hood ring. If you have a 16-35 EF II save your money.
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Comments about Hitech Adapter Ring for 4x4" Filter Holder - 82mm - for Wide Angle Lenses:
Really disappointed with the product description on this one. It does not fit the Canon 16-35mm Mk II L. The lens hood mount prevents the adapter thread from reaching the lens thread. Wish there was a review before making this purchase [...]
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