Macro Extension Tube for M42 42Mm Screw Mount Set for Film/ Digital SLR5462
This brand new Macro Extension Tube Set for your film & Digital SLR includes 3 extension tubes - 9mm, 16mm, 30mm adapters.
Use this set will not downgrade the optical quality of your lens.
Sharpness and Saturation can be still maintained. But they are not meter-coupled. They do not preserve the automatic diaphragm.
It should be used with manual lenses with their own aperture dial.
There is no electronic connection between the body and the lens. Automatic lenses can be used with their widest open aperture only.

When using the extension ring with a DSLR / SLR, the camera should be set in the 'M' mode.

Package Contents:
1 x Macro Extension Tube Ring