The Best Canon RF Extension Tubes Are from Fotodiox
Extension tubes are a great way to get macro-like photos with existing lenses. This is the best extension tube for Canon RF Mount lenses.
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Review: FotodioX WonderPana Filter Holder for Canon 11-24mm
The WonderPana XL is a filter system that is designed for use with ultra-wide lenses such as the Canon 11-24mm or the Nikon 14-24mm. Check out this review by guest contributor, Doug Sturgess.