This Tenebraex polarizer is designed for the ocular lens of riflescopes. The polarizer helps reduce glare and inclement weather conditions in addition to helping see clearly through reflected glare on glass. Fits the Following Scopes: Bushnell Elite Tactical 3-12x44mmBushnell LRHS 4.5-18x44mmLeupold Mark 4 ER/T 4.5-14x50 and 6.5-20x50Leupold Mark 4 LR/T 3.5-10x40, 4.5-14x40, and 4.5-14x50Leupold Mark AR MOD 1 6-18x40Leupold VXR 3-9x40, 3-9x50, 4-12x40, and 4-12x50Leupold VX-2 3-9x40, 3-9x50, 4-12x40, 4-12x50, and 6-18x40Nightforce NXS 1-4x24, 2.5-10x32, and 2.5-10x42 COMPACTSteiner T5Xi 1-5x24, 3-15x50, and 5-25x56Zeiss Victory 2.5-10x50, 3-12x56, and 6-24x72Zeiss Victory Diavara 6-24x56Zeiss Victory V8 2.8-20x56 Tenebraex Ocular Weapon Sight Polarizer STZ000-WSP