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. LEF20028CA 200mm fixed lens provide 10° horizontal angle and support Auto-Iris functionality. f/2.8, Auto-Iris | Recommended for 4K-7K H4PRO-B | Good image quality | Not recommended for low light on HD-PRO came.