Olympus Zuiko MACRO 80mm f/4.0
see more photos Provides open aperture metering using the Telescopic 65-116 Extension tubes or Auto Bellows.
The 80mm focal length allows for greater working distances. Comparable depth of field is achieved for images at the same magnification as those made with shorter lenses, such as the ZUIKO MACRO 50mm F/3.5, at a given aperture, but with more room from the subject to make close-up work, lighting and convenience greater. This short barrel lens has a fine focusing feature but must be used with the Telescopic Auto Tube 65-116, OM System Extension tubes or the Auto Bellows, since the rear elements would protrude into the throat of the camera without them, preventing proper mirror operation and causing damage to the camera.
Using a Zuiko standard lens alone you can only focus as close as 45cm, while with a close-up lens mounted over the standard lens, focus can be extended down to 19cm. To obtain extension sufficient for high magnification macrophoto work, however, extension devices such as those mentioned above must be fitted between the taking lens and the camera body. The Auto Bellows has an extension range of 36mm – 198mm and is the most versatile extension unit for basic macrophoto work. However, the Telescopic Auto Tube 65-116, which offers continuous extension from 65mm-116mm, is a highly convenient alternative and is especially suited for outdoor work. Lenses for use with these may be chosen in accordance with magnification and subject area desired.

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since 1/1/2010