Ballistic M-Frame Alpha Replacement Lens

The Alpha lens was designed to maximize field of view and protection, without sacrifice to style and aesthetic. All replacement lenses meet MIL PRF 32432 Ballistic Impact Standard, and Optical Clarity of ANSI Z87.1.

Features

• Fits SI M Frame™ Alpha and SI Halo™ High Definition Optics® (HDO®) for unbeatable clarity and performance
• Lens contours that extend peripheral vision and improve side protection
• Plutonite® lens material filters out 100% of all UVA/UVB/UVC & harmful blue light up to 400nm
• Unsurpassed impact protection
• Options include Iridium® lens coatings and Prizm™ technology
• Compatible with SI Helo Kit

CLEAR

• Light Transmission: 93%
• Light Conditions: Low Light
• Contrast: Neutral
• Base Lens Color: Clear

GREY

• Light Transmission: 16%
• Light Conditions: Bright Light
• Contrast: Neutral
• Base Lens Color: GRAY

PRIZM™ TR22

• Light Transmission: 19%
• Light Conditions: Medium Light
• Contrast: Increased
• Base Lens Color: Rose

PRIZM™ TR45 TITANIUM IRIDIUM

• Light Transmission: 44%
• Light Conditions: Low Light
• Contrast: Increased
• Base Lens Color: Rose

PRIZM™ SNOW ROSE

• Light Transmission: 26%
• Light Conditions: Snow and Overcast
• Contrast: Increased
• Base Lens Color: Bronze