Nikon 15W Vertexometer Bulb - Clear [74990], a high-quality replacement bulb designed specifically for lensmeter equipment. This versatile bulb is compatible with various Nikon models including LM-3, LM-4, OL-3, OL-4, and OL-5, ensuring a perfect fit for your equipment. Crafted with precision and durability in mind, this bulb guarantees optimal performance and longevity. With a voltage rating of 120V and a wattage of 15W, it provides a reliable and consistent light source for accurate measurements and assessments. Featuring a clear finish, this bulb emits a bright and clear light, allowing for enhanced visibility and precise readings. Whether you are a professional optometrist or a lensmeter enthusiast, this bulb is an essential component for maintaining the functionality and accuracy of your equipment. Easy to install, this replacement bulb ensures a hassle-free experience. Simply replace your old bulb with the Nikon 15W Vertexometer Bulb - Clear [74990] and enjoy uninterrupted usage of your lensmeter equipment. Invest in the Nikon 15W Vertexometer Bulb - Clear [74990] today and experience the difference in performance and reliability. Trust Nikon, a renowned manufacturer in the industry, to provide you with top-notch products that meet your optical needs.