Request InfoDewinter Optical Inc.The DG Classic Reflected and Transmitted Upright Metallurgical Microscope from Dewinter features a trinocular observation head. The system features a vertical phototube for microphotography and a diopter adjustment ring on an ocular tube. The epi illuminator has a 12-V to 50-W halogen lamp with variable brightness control. It provides 12-V to 30-W halogen and brightness control for transmission illumination. Its analyzer rotates 360°, and the polarizer/analyzer can slide out of the optical path.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 9/8/2022Zoom Microscope LensThe BS-1085 4K Apochromatic Monocular Zoom Microscope Lens from BestScope International Ltd. features an adopted apochromatic optical system. 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