SK60 Aperture Diaphragm, Manual Adjustable Lens Diaphragm for Microscope, 4-60mm Optical Diaphragm with 18 Blades, Aluminum Alloy Microscope Accessory for Cameras and Optical Ins

Item Type: Lens DiaphragmMaterial: Aluminum AlloyModel: SK60Uses: Optical InstrumentsBasic Parameters:Inner Hole Size: Approx. 4-60mm / 0.2-2.4inOuter Circle Size: Approx. 82mm / 3.2inThickness Size: Approx. 8mm / 0.3inNumber of Blades: 18Package List：1 x Lens DiaphragmNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

• Precise Light Control: The SK60 aperture diaphragm offers a smooth 4-60mm adjustable opening, letting you fine-tune light transmission for optimal clarity in microscopes, cameras, and other optical instruments.
• Stable 18-Blade Design: Featuring 18 precision-engineered blades, this lens diaphragm ensures smooth operation and consistent shape control, delivering during critical imaging or observation tasks.
• Wide Compatibility: This optical diaphragm is designed to fit a variety of optical instruments and camera setups, making it ideal for researchers, hobbyists, educators, and electronics tinkerers working with custom optical systems.
• Durable Aluminum Alloy Build: Crafted from high-quality aluminum alloy, the SK60 lens diaphragm resists wear and deformation, offering long-lasting reliability even with frequent adjustments and handling.
• Compact and Ready to Install: Measuring 82mm outer diameter and 8mm thick, the SK60 aperture diaphragm comes as a single ready-to-use unit—just mount it into your setup for immediate, professional-grade light control.