Precision 55 mm C/CSMount Objective Lens for 1/3 inch Imaging Sensors Key benefits Accurate closeup imaging: 55 mm focal length and a magnification range of 0.4x to 1.0x provide fine detail capture for inspection and measurement tasks. Flexible installation and compatibility: C/CS mount fits standard industrial cameras with 1/3 inch image format, simplifying integration into existing vision systems. Stable, longlasting performance: Built from quality materials with a twoglass optical configuration for consistent results and reliable operation over time. Controlled depth and working range: Wide working distance range of 95 mm to 167 mm allows noncontact inspection of parts at varying heights while keeping the lens protected. Performance and key specifications Mount: C/CS installation, compatible with C and CS mount cameras Focal length: 55 mm Relative aperture: 6.3 Optical configuration: 2 glasses (twoglass design) Size: 102 mm length Working distance: 95 mm to 167 mm View range: 4 mm to 10 mm Magnification: 0.4x to 1.0x (approximately 25X to 200X on the display) Image format: 1/3 inch Pixel resolution: 1 MP Focus mode: manual Field of view at 0.4x: 15 mm / 12 mm / 9 mm Field of view at 1.0x: 6 mm / 4.8 mm / 3.6 mm What makes this lens practical Manual focus control gives precise and repeatable adjustments for sharp images at each magnification. Compact 102 mm form factor fits in constrained inspection setups without blocking access to the workpiece. The twoglass optical design balances image quality and durability for routine industrial use. Broad working distance and view range accommodate small parts inspection while maintaining safety distance from the object. Typical applications Electronics inspection: Visualize solder joints, component placement, and PCB defects with magnification tuned for smallpitch components. Quality control and assembly verification: Use on production lines or bench stations to confirm part dimensions, surface defects, and assembly completeness. Precision inspection for watchmaking, jewelry, or small mechanical parts: Provide detailed visual checks without physical contact. Use considerations Designed for use with 1/3 inch cameras and 1 MP sensors; ensure camera compatibility with C/CS mount and desired display magnification. Manual focus requires operator adjustment or motorized focus adapter if automated focusing is needed. Choose the appropriate working distance within the 95 mm to 167 mm range to achieve the required field of view and magnification. This objective lens offers a durable, compact, and precise optical solution for industrial and laboratory imaging tasks that require closeup inspection and reliable integration with standard C/CSmount camera systems.