Extension tubes are a must accessory if you want to get serious about your macro photography. You place the tube in between the camera body and the lens to gain magnification, the farther away the rear element of the lens is away from the sensor, the closer the lens will focus. So for example lets say you are sat in the garden and focusing on a bird on your bird feeder, the rear element of your lens has moved farther away from your sensor. So it stands to reason that if you were to place some kind of spacer between your lens and camera body, you should be able to focus closer. Even if you have a a true (1-1) macro lens I would recommend buying these.
The extension tube I always recommend to students on our Macro Photography Courses is the Kenko Extension Tubes which come in a set of 3 tubes at 12mm,20mm and 36mm. These tubes are cheaper and in my opinion superior to the Canon and Nikon tubes you can get. If you decide these are not for you then please make sure you buy extension tubes with electrical connectors. This means you will be able to change the aperture when fixed in between the camera and the lens.
which come in a set of 3 tubes at 12mm,20mm and 36mm. These tubes are cheaper and in my opinion superior to the Canon and Nikon tubes you can get. If you decide these are not for you then please make sure you buy extension tubes with electrical connectors. This means you will be able to change the aperture when fixed in between the camera and the lens.
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