Features: Accuracy engineered M58 x 0.75 threaded lens rear cap ensures ≤0.1mm installation tolerance for seamless compatibility with industrial lenses from , and other major brands. Features IP65 dustproof security with poniard fashion structure and hardened ABS that resists chemical oxidation while blocking oil/grit intrusion in harsh industrial environments. Essential accessory for maintenance technicians and imaging specialists using global shutter area scan cameras or line scan devices like series and models. Optimizes visual production in high particulate settings including automated production lines, machine inspection stations, and industrial cleaning facilities requiring frequent lens maintenance. Simplified screw in installation enables quick cleaning cycles with recommended 500 hour service intervals, designed specifically for industrial grade shield without compromising operational efficiency. Specifications: M58 lens rear cover screw hole particle security cover 0.75 Color: Black Size: 58mm component: ABS Package Includes: M58 lens back coverx3 note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!