Features Professional and Practical: The probe sensor cable has higher detection performance, high reliability, and stability. Standard Design: The diameter of the light spot is approximately 0.1mm, 0.2mm, 0.4 mm with a focal length of 7 ± 2mm. Small Light Point Reflection: Compatible with fiber optic sensors such as for Keyence FU‑24X, FU‑21X, FU‑35FZ, FU‑35FG, FU‑35FA, FU‑35TZ, FU‑35TG, etc. Reliable Working: Strong anti interference ability, fine diameter, soft, and light weight, also has excellent durability for long use. Wide Application: Suitable for the automotive, LCD industr, smartphone and electronic device industry, lithium ion battery industry, solar cell and so on. Specification: Item Type: Fiber Optic Sensor Lens Product Material: Plastic Type: Reflection Features: Small Light Spots Spot Diameter: 0.1mm, 0.2mm, 0.4mm adjustable. Detection Center Distance and Focal Length: Approx. 7mm ± 2mm / 0.28in ± 0.08in Environment Temperature: -30℃~70℃ Package List: 1 x Fiber Optic Sensor Lens Package List 1 x Fiber Optic Sensor Lens