Mount Auto Focus Macro Extension Tube Ring for M42 42mm Screw Mount Set for Film/Digital SLR

Mount Auto Focus Macro Extension Tube Ring for M42 42mm Screw Mount Set for Film/Digital SLR

• 【Multi-Device Support】:This brand new Macro Extension Tube Set for your film & Digital SLR includes 3 extension tubes - 9mm, 16mm, 30mm adapters.
• 【Powerful Function】:Use this set will not downgrade the optical quality of your lens.Sharpness and Saturation can maintained. But they are not meter-coupled. They do not preserve the automatic diaphragm.
• 【Easy to use】: It should be used with manual lenses with their own aperture dial. When using the extension ring with a DSLR / SLR, the camera should be set in the 'M' mode.
• 【Friendly Reminder 】: There is no electronic connection between the body and the lens. Automatic lenses can be used with their widest open aperture only.
• 【Quality Service】:If you have any questions about this product, you can us at any time. We have a professional customer service team and will provide you with the best quality service. We will try our best to solve your problem in time, please rest assured to buy