This Canon-made lens has a 0.15-metre minimum focusing distance and a 15 mm maximum focal length. The filter size for this lens is 67 mm, so make sure the filters will fit.
From Camix
Canon EF 8-15mm f4 L USM Fisheye Lens [Brand New]
HDEW Cameras
Canon EF 8-15mm F4 L Fisheye USM
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