JT Spectra / JT Proflex Flex Thermal Lens - Silver Mirror m170r Adjustable torque feature allows the

Adjustable torque feature allows the user to fine-tune torque settings manually with an allen wrench

Color contrast and clarity

The main difference with the CrownSF-R is each finger is co-molded from two materials and functions without springs

+ 120PSI Operating Pressure

dynamic components

JT Spectra / JT Proflex Flex Thermal Lens - Silver Mirror m170r Adjustable torque feature allows theJT lenses pass the American ASTM standard and the European EC Standard, but testing doesn't stop there. JT shoots them, stomps them, hits them with 1 4 inch steel balls at 400 fps, runs over them, and lets the dog chew them. And that proves one thing JT lenses meet an even higher standard the JT Standard. With a fog resistant coated thermal inner lens that can be cleaned with a JT micro fiber cloth, the standard has been lifted even higher to include