Bausch & Lomb Lensometer Bulb - Clear [21-65-18], a high-quality replacement bulb designed specifically for Lensmeter equipment. This incandescent bulb offers exceptional performance and longevity, with an average life of 500 hours. Featuring a candelabra screw (E12) base, this bulb is easy to install and compatible with various Lensmeter models. The clear finish ensures optimal light transmission, allowing for accurate and precise measurements during lens testing. With a wattage of 25W and a voltage of 120V, this bulb provides a bright and reliable light source, delivering 260 lumens of illumination. The filament type C-7A further enhances the bulb's efficiency and performance. Designed by Bausch & Lomb, a trusted brand in the optical industry, this Lensometer bulb guarantees superior quality and durability. Its compact size, with a MOL (Maximum Overall Length) of 2.25 inches, ensures a perfect fit within your Lensmeter equipment. The S11 shape of this bulb adds a touch of versatility, making it suitable for a wide range of Lensmeter applications. Whether you are a professional optometrist or a hobbyist, this bulb is an essential component for accurate lens testing and measurements. Upgrade your Lensmeter equipment with the Bausch & Lomb Lensometer Bulb - Clear [21-65-18] and experience reliable performance, long-lasting durability, and exceptional illumination for all your lens testing needs.