Fotodiox WonderPana Filter System For Wide Angle Lenses

The WonderPana 145 and WonderPana 66 are two filter systems from Fotodiox that make is possible to use filters with your Ultra and Wide Angle Lenses. For all details see my blog: http://goo.gl/GxvqE

http://vk.com/canon_5d_mark_iii