Extension Tubes, Close up lenses and and IS

Started Sep 2, 2012 | Discussions thread
photodan1 Contributing Member • Posts: 875
Re: Extension Tubes, Close up lenses and and IS

CharlesTokyo wrote:

Extension tubes aren't the same as teleconverters. They don't change the focal length of the lens. Think of it more as an adjustment to the focusing mechanism. Just allowing you to focus closer. You wouldn't change the focal length when using a 50mm macro lens, so I don't see why you'd change it when you use a 50mm lens with tubes. It's still a 50mm lens, just with a close, but narrow range of focus.

This is correct - the focal length of the lens isn't changed, only the focusing distance. I am not familiar with the OMD but if there is an IS setting for non-native lenses, set it at whatever focal length the lens you are shooting is.

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