1/2" CS-M 4.5 - 12.5mm F1.2 - CS Varifocal Manual IR Pass Optics

1/2" CS-M 4.5 - 12.5mm F1.2 - C Varifocal Manual IR Pass Optics 1/2" 4.5-12.5mm f1.2 Varifocal, Manual Iris (CS Mount) Day/Night IR Computar Varifocal IR (infrared) manual iris lenses are designed for use with Day/Night cameras. They eliminate focus

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