For the Nikon AF-S Nikkor 14-24mm zoom 1: 2.8G ED lens with a curved front element and integrated Gegenlichblende we have designed a filter holder for our 170mm filter system that can accommodate a 150mm round polarizing filter. The filter holder can accommodate a 150mm round filter in the default configuration. It can be installed additionally stops filter rails for the use...

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For the Sigma 14-24mm F2.8 DG HSM type lens with a curved front element and integrated Gegenlichblende we have designed a filter holder for our 170mm filter system. It can be applied up to 3 filter rails for the use of 170x170mm and 170x190mm rectangle filters. As the material CNC is machined 6063 aluminum used, which suppresses by its matt-black finish light reflections...

For the Sigma 12-24 mm F4.0 lens type with curved front element and integrated Gegenlichblende we have designed a filter holder for our 170mm filter system that can accommodate a 150mm round polarizing filter. The filter holder can accommodate a 150mm round filter in the default configuration. It can be installed additionally stops filter rails for the use of 170x170mm or...