An extension tube - is used with interchangeable lenses to focus closer, useful in macro photography. The tube contains no optical elements; its sole purpose is to move the lens farther from the image plane. The farther away the lens is, the closer the focus, the greater the magnification, and also ...
I would like to get a little higher magnification out of my Canon 100mm Macro, so I am looking at extension tubes. I know Canon makes the EF25, but it seems pretty expensive considering there isn't ...
I am looking to do a little macro work, but am not ready to invest in a macro lens. For hobby work like photographing flowers and such would it be better to invest in a set of extension tubes or in a ...