The Topcon Equivalent Lensmeter bulb [42320-10550-EQ] is a high-quality replacement bulb designed specifically for Topcon Lensmeters. This 6V 18W bulb is compatible with both the LM-P5 and LM-P6 models, ensuring a perfect fit and optimal performance. With its durable construction and reliable functionality, this lensmeter bulb provides bright and consistent illumination for accurate lens measurements. Whether you are a professional optometrist or an eyewear enthusiast, this replacement bulb is essential for maintaining the functionality of your Topcon Lensmeter. Featuring a convenient screw-in design, the installation process is quick and hassle-free. Simply remove the old bulb and replace it with the Topcon Equivalent Lensmeter bulb [42320-10550-EQ] to restore the proper lighting conditions for precise lens analysis. Don't let a faulty bulb hinder your lensmeter's performance. Invest in the Topcon Equivalent Lensmeter bulb [42320-10550-EQ] and ensure accurate and efficient lens measurements every time.