This Lens Cartridge allows you to have individual cartridges pre-setup for all your disciplines of archery; 3D, Field, Indoor, Outdoor etc… 

• Installs into the UV3 scope - Get a lens that fits here.
• Please note; It will not fit the UV2
• The cartridge is keyed ensuring your point of impact does not change when you swap it out. 
• This lens cartridge will hold both a lens and pin-ring at the same time (unlike the UV2 cartridge).
• The cartridge is constructed out of a high quality molded polymer core.
• Does not come with a lens installed - must purchase a lens separately, accepts lenses with a diameter of 1.350”