Filter Holder: Aluminum Alloy
Filter Holder Slots: Plastic
Filter Holder Adapter Ring: Aluminum Alloy
Circular Polarizer Filter: Optical Glass
Drop-In Cover for Filter Holder's Drop-In Filter Accessory Slot: Plastic
Filter Case: Leather

Filter Holder: Accepts up to Three 100mm Wide Rectangular Filters up to 2mm Thick and One Haida M10 Drop-In Filter
Adapter Ring: Connects Filter Holder to Lenses with 72mm Front Filter Threads

Yes, 360°

6.9 x 6.9 x 2.1" / 17.5 x 17.5 x 5.4 cm

19.0 oz / 540.0 g

1.19 lb

6.8 x 6.8 x 2.1"