This lens ring allows photographers to use the Vü 150mm Professional Filter Holder System with the unthreaded Sigma 12-24mm f/4.5-5.6 EX DG HSM II lens. Due to the construction of this particular lens, a specialized lens ring is required specifically for this lens. It also requires the separate purchase of the Vü 150mm Professional Filter Holder (VFH150) to be fully functional with the Vü 150mm Professional Filter Holder System.
VU Filters
VU Filters Sigma 12-24mm Ring for 150mm Professional Filter Holder
MFR# VFHLRS1
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