The moisture meter can quickly measure the moisture content of the grain. 1. 2. Fully coated green coated optical glass glasses: provide excellent image contrast and light transmission; ensure maximum detail and clarity throughout the field of view; highly achromatic. 3. The 1,25 inch eyepiece tube is threaded and allows you to connect interface adapters with T2 (M42.x0,75mm) and M35x1mm threads. 4. Anti-slip design: Anti-slip design with do slope inside helps avoid accidental falls. 5. Photo extension: 22mm extension with M35 mount, 31mm extension with M42 mount. Eyepiece thread: M28.6x0.6mm eyepiece thread is supported. . Barlow lens optical glass 5x 1,25" . Barlow lens optical glass 5x 1,25" Specification: Item Type: Barl Lens Material: aluminum alloy, optical glass Magnification: 5X Lens Material: Optical Glass Lens coating: green FMC film Mirror Body Material: Aluminum Alloy Interface size: 1,25 inches (approx. 31,7 mm) Photo thread: support connection with T2 thread interface adapter (M42. x 0.75mm) and M35 x 1mm thread Photo extension: 22 mm with M35 mount, 31 mm with M42 mount Eyepiece thread: M28.6 x 0.6mm eyepiece thread support Anti-slip design: anti-slip and anti-lock design with do slope inside . Barlow lens optical glass 5x 1,25" . Barlow lens optical glass 5x 1,25" List of packages: 1 x Barl lens . Barlow lens optical glass 5x 1,25" . Barlow lens optical glass 5x 1,25"