AVIGILON™ in cooperation with world leader in photo lens manufacturing CANON® offers to equip HD Pro series IP security cameras with high quality CANON® lenses. LEF8512CA 85mm fixed lens provide 24° horizontal angle and support Auto-Iris functionality. f/1.2, Auto-Iris | Recommended for 4K-7K H4PRO-B | Highest image quality available, excellent in low light.