This macro extension tube set is suitable for all Sony Minolta SLR/DSLR cameras. Transform your Lens into a Macro Lens. It moves the lens from the film or digital sensor. The closer the focus is, the greater the magnification. The extension tube does not affect image quality as there is no optics inside. In comparison, a close up filter is often blamed for degrading the quality of image. Auto-focus function cannot operate. This tube set consists of 3 individual tubes, camera body mount and a lens adapter. The 3 individual rings can be used separately with the camera body mount and a lens adapter, and of course the magnification ratio will be different Features: 1. suitable for all Sony Minolta SLR/DSLR cameras 2. Transform your Lens into a Macro Lens 3. The closer the focus is, the greater the magnification. 4. The extension tube does not affect image quality as there is no optics inside 5. The geared drive system can greatly enhance accuracy and speed of adjustment of the slider 6. In comparison, a close up filter is often blamed for degrading the quality of image. Auto-focus function cannot operate Compatible Models: Sony Minolta Film or Digital Camera What"s in the box: 1 x Camera body mount adapter 1 x Lens mount adapter 1 x 7mm tube (tube 1) 1 x 14mm tube (tube 2) 1 x 25mm tube (tube 3) Note: lens shown in the photos are NOT included