Features Durable Aluminum Alloy Construction - Made from high-quality aluminum, this filter is resistant to scratches and deformation, ensuring long-lasting performance for your observations Precision CNC Manufacturing - High-accuracy production guarantees consistent size and color uniformity, meeting stringent standards for optimal viewing experiences Superior Light Transmission - Designed with a high-transmittance filter that minimizes impurities, enhancing light transmission for clear and detailed celestial observations Compact and Lightweight Design - This filter is easy to store and transport, making it a perfect addition to your gear without adding unnecessary bulk Versatile Compatibility - Ideal for use with astronomical telescopes, this accessory effectively reduces light pollution, enabling safer and more precise observations of celestial bodies Features: 1、XY Axes Stages LY40-CM linear stage trimming frame /precision measurement manual displacement platform. 2、Applicable optical instruments apparatus measuring, checking means. 3、Semiconductor manufacturing equipment, test machine, microscopes, handling machines, procing machines, medical equipment, printing pres, etc. 4、Precision linear guide for the grinding balls with steel , high precision, low cost, light load hinge. 5、Intersection-ball guides for high precision and smooth movement. Specification: Features: XY Axes Stages LY40-CM linear stage trimming frame /precision measurement manual displacement platform. Applicable optical instruments apparatus measuring, checking means. Semiconductor manufacturing equipment, test machine, microscopes, handling machines, procing machines, medical equipment, printing pres, etc. Precision linear guide for the grinding balls with steel , high precision, low cost, light load hinge. Intersection-ball guides for high precision and smooth movement. The main material for aluminum alloy, light weight, suitable for built in other devices. Specification: Condition:100% Material: Aluminum alloy Color: As shown in the picture Model: LY40-CM Table size: Approx.40*40mm / 1.6*1.6in Stroke: +/- 6.5mm Load: 29.4N (3kgf) Minimum scale: 0.01mm Accuracy: 0.01 mm Parallel: 0.01 mm Weight: 0.06 kg Package List: 1*Manual Displacement Platform Package List