The M-H 4.5x Classification Magnifier is a premium German-crafted optical tool widely used in forensics for examining trace evidence and fingerprints. It features distortion-free, flat-field optics that provide a crystal-clear, sharp focus across the entire field of view.Key Specifications Magnification Power: 4.5x Base Opening Diameter: 2.125 inches (5.4 cm) for a wide field of viewLens System: High-precision flat-field lens that is distortion-freeLighting Adaptability: Features a reversible black and white lens to optimize clarity in both bright and low-light conditionsDesign: Compact, portable, and durable, making it highly reliable for field investigation and laboratory useAn independent study by the International Association of Identification (IAI) rated the M-H 4.5x as one of the best classification magnifiers available, scoring highest in center sharpness, contrast, and color correction.For pricing, availability, or to purchase this device,.