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 manual adjustment range, allowing you to fine-tune light transmission for optimal image 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 circular aperture shape, delivering during critical optical adjustments.
• Wide Compatibility: This optical diaphragm is designed to work seamlessly with a variety of devices including laboratory microscopes, DSLR camera lens mounts, and custom optical setups, making it ideal for researchers, photographers, and engineers.
• 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 use in professional or educational environments.
• Compact and Ready to Install: Measuring 82mm in outer diameter and 8mm thick, the SK60 aperture diaphragm comes as a single ready-to-use unit—simply mount it into your optical system without extra tools or complex setup.