Model number D22F25.9++ Diameter 22 mm, focal length 25.9 mm Package includes 2 pieces Product overview This optical lens element is engineered for reliable, longterm use. Constructed from quality materials, it delivers stable performance and consistent optical characteristics in compact installations. Key benefits Precise optical specification: 22 mm diameter and 25.9 mm focal length provide predictable focusing behavior for small optical systems. Durable construction: made from quality materials to withstand regular use and preserve performance over time. Easy integration: compact size simplifies mounting in camera modules, sensors, and other optical assemblies. Consistent results: designed to maintain stable optical performance across repeated use. Features and specifications Model: D22F25.9++ Diameter: 22 mm Focal length: 25.9 mm Quantity: 2 pieces per package Material: quality optical materials for durability and stable performance Measurement note: 1 cm = 10 mm = 0.39 inch. Due to manual measurement, please allow an error of 0 to 3 mm. Practical applications Machine vision and industrial inspection: fits compact camera modules used for part alignment, quality control, and automation tasks. Embedded and DIY camera projects: suitable for hobbyist camera assemblies, robotics vision systems, and prototyping. Surveillance and small optics instruments: can be used in small surveillance cameras, sensor modules, or other compact optical devices. Additional notes Color and appearance in photos may differ from the actual item because of variations between monitors. Verify the dimensions and compatibility with your equipment before installation.