The Bausch & Lomb Industrial Lab Microscope is a high-quality microscope designed for petrological applications. With a binocular viewer, this model BH-2 offers precise and detailed examination of samples. Although not tested, this microscope is reliable and suitable for professional use in various industries. The Bausch & Lomb brand is known for its excellence in producing scientific equipment, making this microscope a valuable tool for researchers and professionals in the field of microscopy.