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Macro for starters - part 2 of 1 2 3

by Mike McNamee Published 01/06/2002

The Extension Tube

This is a hollow tube, which simply spaces the lens away from the camera body. In an SLR camera it has to maintain a connection with the exposure meter and the aperture mechanism. If the amount of extension equals the focal length of the lens then you get 1:1 magnification.

The Teleconverter

Placing a teleconverter in between a lens and the camera body increase the effective focal length usually 1.4 times or 2 times (more rarely 3 times). This is very useful for shy subjects such as dragonflies as it increases your working distance or, if you move in, your magnification. In the studio it can create more space to insert lights and reflectors.

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1st Published 01/06/2002
last update 09/12/2022 14:56:15

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