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Telescope Adapter , M42x0.75mm Thread Aluminum Alloy Lens Extension Tubes  For Replacement

<ul><li>Easy to install, perfect replacement for the old or damaged one, reliable to use</li><li>Made from aluminum alloy, which is wear-resistant and not easy to damage</li><li>Using fine workmanship CNC technology, the accuracy is higher, durable</li><li>The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm</li><li>Various sizes of 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm are suitable for different models</li></ul>

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Specification: Item Type: Lens Extension Tubes Material: Aluminum Alloy Color: Black Product Size: Approx.3mm / 0.12in, 5mm / 0.20in, 7mm / 0.28in, 10mm / 0.39in, 15mm / 0.59in, 20mm / 0.79in, 30mm / 1.18in, 12mm / 0.47in Application: Extend the focal length of the primary mirror of the astronomical telescope Extinction Treatment: Internal with extinction thread Interface Female Thread Specification: M42x0.75mm Interface Male Thread Specification: M42x0.75mm Package List: 1 x 3mm Extension Tube1 x 5mm Extension Tube1 x 7mm Extension Tube1 x 10mm Extension Tube1 x 12mm Extension Tube1 x 15mm Extension Tube1 x 20mm Extension Tube1 x 30mm Extension Tube Note: <div>1. Please allow 1&#8209;2in error due to manual measurement. Thanks for your understanding.</div><div>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.</div>

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Telescope Adapter , M42x0.75mm Thread Aluminum Alloy Lens Extension Tubes For Replacement

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