The UltraView UV3XL SE Doublet Lens w/4x Lens is a top-tier optical accessory designed for precision target archery. This doublet lens system combines two lenses bonded in perfect lenticular plane to balance light distribution and wavelengths, ensuring sharp edge-to-edge clarity without color fringing or focus differences. The achromatic design provides exceptional sight picture clarity, enhancing your scores and overall performance. Pre-installed in a lens cartridge, this 4x lens is easy to install and comes with an UltraView branded microfiber lens cloth. Ideal for archers seeking a professional advantage, this lens system offers unparalleled clarity and accuracy. UltraView UV3XL SE Doublet Lens w/4x Lens UVTS-03007