Key benefits - Wide viewing area: field of view 52 degrees for easy, quick observation. - High quality optics: 4 lenses using optical glass for clear, sharp images. - Practical compatibility: thread size M28x0.6 mm and interface size 1.25 inches (31.7 mm) support common microscope setups; includes one eyepiece with eyepiece out of 5 mm. - Reliable performance: exquisite workmanship combined with durable, stable construction for long-term use. Specifications - Field of view: 52 degrees - Number of lenses: 4 - Lens material: optical glass - Focal length: 6 mm - Thread size: M28x0.6 mm - Included: Eyepiece x1 - Interface size: 1.25 inches (31.7 mm) - Eyepiece out: 5 mm Durability and build - Designed as a versatile microscope accessory - Exquisite workmanship - Good durability and stability for repeated use Use scenarios - Educational settings: classroom or teaching labs to demonstrate slides and small specimens with reliable clarity - Professional inspection: suitable for quality control and materials analysis where stable magnification and clear imaging are important - Home or hobby microscopy: ideal for hobbyists observing tiny specimens, prepared slides, or model microstructures This product maintains the original specifications and functions as a dependable, compatible microscope accessory with strong build quality and practical application scenarios.