Sensei 39-49mm Step-Up Ring Watertight Case Foam Inserts Max flux linkage: 1

Max flux linkage: 1

7m) field of view at 1000 yd

1" spacing

It is extremely sturdy and compact - the legs rotate together to make it flat for storage

1x Medium)

Sensei 39-49mm Step-Up Ring Watertight Case Foam Inserts Max flux linkage: 1Use 49mm Filters on 39mm Lens Corrosion Resistant Anodized Aluminum The Sensei 39 49mm Step Up Ring permits the use of 49mm threaded filters on lenses with 39mm filter threads. It features a lightweight, aluminum alloy construction that has a corrosion resistant, black anodized finish for durability. UPC: 847628537798 Size 39 49 mm Thickness 3 mm Material Aluminum alloy Knurling None Packaging Info Package Weight 0. 3 lb Box Dimensions (LxWxH) 2. 0 x