From the most basic to the more complex laboratory applications, the Lx 400 stands strong as a truly modular system. With an Infinity corrected Plan Achromatic optical system, users will enjoy crisp images with excellent color fidelity and high accuracy in image rendition for a wide spectrum of specimens. Each configured below includes 4x, 10x, 40x, 100x objectives and 6V 20W variable  illumination. An optional 30w halogen system is available ($45 extra) as is a cordless model ($50 extra). There are a wide variety of accessories and options available. Comes with a manufactures five year warranty and FREE one year extended warranty for a total of six years.