MV500 protective lens barrel IR long degree of protection IP67 for MV500 devices face plate: IR /glass long enclosure: metal for lens length without/with built-in ring light 83.5 mm/59.1 mm for lens width without/with built-in ring light 60.4 mm/41.6 mm suitable for lenses (MLFB): 6GF9001-1BL01,..-1BF01, ...- 1BG01 ,...- 1BH01,...- 1BJ01 …-1BK01 suitable luminaires (MLFB): 6GF3540-8DA33, …8DA41, …8D42; WxHxD (outer, mm) 65x65x101 scope of delivery: protective barrel with mounted O-ring and pane;