B01738GIQG NiSi 150mm Aluminum Square Filter Holder Specially for Tamron 15-30mm Lens/PENTAX 15-30mm F2.8 Lens,360 Degree Rotation,Without Vignetting Design

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Fast installation design, 360 Degree Rotation,Without Vignetting Design
NiSi Exclusive Two Patents 150mm Filter Holder consist of lens mount clamp foundation and filter installation system. Ergonomic design make Lens mount clamp fixed on the lenses quickly.
It?? made from aviation-grade aluminum with single element processed by CNC Machine.
With matte black frosted finish on the surface. All of screw accessory are made of copper and with black nickel plating. It?? durable and can reduce the influence of stray light on the imaging.