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The sigma 46mm filer holder is designed to hold sigma's rear filters to protect the large telephoto ex lenses using the rear drop in system.
Price: £179.00
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The 52mm drop in gelatine filter ii holder allows you to fit various gels onto your canon telephoto lens'. '.strtoupper('f')or example, uv, skylight gels etc'. '.strtoupper('i')t is compatible with the canon ef 500mm f 4l is usm, canon ef 400mm f 4 do...
Price: £119.00
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The urth 86 52mm adapter ring for 100mm square filter holder is made of aluminium and is used to mount the 100mm square filter holder from urth on lenses with a 52mm front filter thread.
Price: £15.00
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