- - 【Rear CPL Install Creativity Design】 K&F Concept engineers designed a newly upgraded filter holder that supports using a CPL filter, and the CPL rear back installs design to overcome the troublesome of filter overlay, conveniently enough.
- - 【Metal Filter Holder】The holder thickness is only 12mm, with a 91mm super large diameter for light through, avoid the vignetting on wide-angle and telephoto lenses. supporting hold 2 square filters and 1 circular polarizing filter.