EBTOOLS For M42 Extension Tubes Macro Tube Set,Extension Ring Replacement 42Mm Screw Mount Set Film/Digital Slr

Macro photography----Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance.Cheep & cheerful entry into the world of macro photography. Higher magnification----To provide additional extension, one or more extension tubes can be added between the camera and the lens, to make the lens focus at closer distances and therefore produce higher magnification. Set in the 'M' mode----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. Saturation----Sharpness and Saturation can be still maintained. But they are not meter-coupled. They do not preserve the automatic diaphragm. Use this set will not downgrade the optical quality of your lens. 3 Extension tubes----This brand new Macro Extension Tube Set for your film & Digital SLR includes 3 extension tubes - 9mm, 16mm, 30mm adapters.