Macro Tubes RG 6×6×6 Macro Extension Tube for M42 42mm Screw Mount Kit for Digital SLR Cameras

Macro Tubes RG 6×6×6 Macro Extension Tube for M42 42mm Screw Mount Kit for Digital SLR Cameras

• extension, automatic diaphragm
• M42 lens extension tube, guarantee optical quality. Using this set will not affect the optical quality of your lens. Sharpness and saturation are retained. but they are not counter-coupled. They don't preserve the automatic membrane.
• Using this set will not affect the optical quality of your lens. It should be used with manual lenses that have their own aperture wheel.
• Due to the extendable extension tube, there is no electronic connection between the housing and the lens. Automatic lenses may only be used with their widest aperture. macrotubes
• There is no electronic connection between the housing and the lens. Automatic lenses may only be used at their widest aperture. When using the extension with DSLR camera or telescopic extension tube, the camera should be set to M mode.