Sell M42-M42 10mm-15.5mm Focus Lens Mount Adapter, Built-in Focusing Helicoid best price

Description: Manual Lens Adapter with Helicoid Macro Tube for M42 42mm Screw-Mount Lens to M42 42mm Screw-Mount Camera Body. The macro function of this adapter provides a focusing helicoid that will increase the lens-to-sensor distance, allowing for closer focusing than normally allowed by the lens itself. This means you can now get macro performance without needing to switch to a specialized lens and you will retain all the normal benefits of your optic when the macro function is not in use. It allow you to take close up/macro image more easier when full extended. It can focus infinity when closed of course. The length of this Helicoid tube 10mm-15.5mm, (5.5mm movement distance for focusing) Specification: Lens compatibility: M42 screw mount lens Length: 10mm to 15.5mm (5.5mm movement distance for focusing) Focus: manually Material: aluminium alloy Package Includes: 1 x Lens Adapter