Key benefits - Adds adjustable magnification to your microscope eyetube with three available powers: 1x, 0.5x, or 0.35x. - Simple 28 mm bottom diameter lens designed to fit a range of eyetubes with minimal setup. - Durable build with refined workmanship for reliable performance during frequent use. - Lightweight and compact accessory that can be used across multiple microscopy tasks without crowding the workspace. Compatibility and fit - Fits 28 mm to 32 mm microscope eyetubes, including 30 mm and 30.5 mm sizes. - You can add diameter by tape to customize the fit for nonstandard eyetubes. - Bottom diameter of the lens is 28 mm. What you get - 1x CTV Lens with one of the magnifications [0.35x, 0.5x, or 1x] chosen at purchase. - Note: Each package contains a single CTV Lens. Specifications and features - Magnifier power options: 1x, 0.5x, 0.35x (only one lens per package) - Lens diameter: 28 mm at the bottom - Suitable as a versatile microscope accessory with emphasis on durability and stability Use scenarios - Electronics and electronics component inspection: examine solder joints, connectors, and fine traces with enhanced magnification. - Biological slide viewing: observe small features on prepared slides with an additional magnification layer. - Jewelry and small parts inspection: check for surface details, flaws, and inscriptions on tiny components. Durability and performance - Exquisite workmanship designed for long-term use in routine microscopy. - Stable optical attachment reduces drift during observation, supporting consistent results.