Protect the riflescope objective lens from rain and sunglare. The 2.5 and 4 inch, 50mm Lens Shades can be threaded together to create custom lengths. 4 inch model available in Gloss, Matte and Silver finishes. 2.5 inch model available in matte only. Fits all Leupold riflscopes with 50mm objectives manufactured after 2004.