Tamron 15-30mm Wide-Angle Lens Adapter Ring
Athabasca Special Lens Adapter Ring series are made from aviation-grade aluminum for increased strength and decreased weight without impeding the photo in any way. The surface is processed by the environmentally-friendly oxidation which resulting in a high-quality matte finish. At the same time, it will not do harm to your expensive equipment. A precise, high-quality CNC lathe is used to create the one-piece structure adapter, which makes the installation easier and convenient.
In order to achieve different effects of photography, the special lens adapter ring can be used together with different filters like MCUV,CPL,ND,GND and RGND filters.
150mm Holder is sold separately.