The Urth Lens Filter Caps are a smart way to protect your screw-on filters while taking up less space. The lens filter caps are made of hardened magnalium (an alloy of magnesium and aluminium) and have a screw attachment.
Urth 43mm Magnetic Lens Filter Caps
Urth 58mm Plus+ ND4 (2 Stop) Lens Filter
Urth 58mm Plus+ ND1000 (10 Stop) Lens Filter
Urth Electronic Lens Mount Adapter EOS-Leica L
Polarpro 82-PL-MST-6/9 Peter McKinnon Edition Chroma VND/PL Lens Filter - Black Mist
Freewell Circular Polarizer CPL Camera Lens Filter
