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 Leica Scopes: ER 6.5-26x56 LRSER5 3-15x56ER5 4-20x50ERi 3-12x50iFortis 6 1-6x24iFortis 6 2.5-15x56iFortis 6 2-12x50iMagnus 1-6.3x24iVisus 1-4x24iVisus 2.5-10x42iVisus 3-12x50iFits the Following Noblex Scopes: N5 1-6x24N5 2.4-12x50N5 3-15x56N6 1-6X24N6 2.5-15x56N6 2-12x50Fits the Following Swarovski Scopes: DS 5-25x52PX5 3.5-18x50X5 5-25x56 PZ3 3-10x42Z3 3-9x36Z3 4-12x50Z5 3.5-18x44Z6 1.7-10x42Z6 1-6x24Z6 2.5-15x44Z6 2.5-15x56Z6 2-12x50Z6 3-18x50Z6 5-30x50Z8 1.7-13.3x42Z8 1-8x24Z8 2.3-18x56Z8 2-16x50Fits the Following Trijicon Scopes: AccuPower 1-4x24AccuPower 1-8x28AccuPower 4.5-30x56AccuPower 5-50x56VCOG 1-6x24VCOG 1-8x28Other Fit: Zeiss Victory V8 4.8-35x60 Tenebraex Ocular Weapon Sight Polarizer TX0003-WSP