The EF 100mm f/2.8 Macro USM lens is a prime lens made by Canon Inc. It is of the EF lens mount that fits the EOS camera system. There are three versions, the original, a second that adds a USM autofocus motor and a recently released L series version that incorperates IS.
It is a macro lens, meaning that it is capable of reproducing an object the size of the image sensor, known as 1:1 magnification. Despite the macro designation, the lens can foc...
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The EF 100mm f/2.8 Macro USM lens is a prime lens made by Canon Inc. It is of the EF lens mount that fits the EOS camera system. There are three versions, the original, a second that adds a USM autofocus motor and a recently released L series version that incorperates IS.
It is a macro lens, meaning that it is capable of reproducing an object the size of the image sensor, known as 1:1 magnification. Despite the macro designation, the lens can focus to infinity like regular lenses. As such, it is appropriate for use as a portrait lens.
This lens can be used with an extension tube, which increases the maximum magnification to 1.19x (EF 12 II) or 1.39x (EF 25 II). In these cases, focusing at infinity is sacrificed, with maximum distance reduced to 1002mm (3.3 ft) and 606mm (2.0 ft) respectively.
Aside from the macro feature, the 100mm f/2.8 Macro stands out among the 80 or so Canon EF lenses for its resolution and contrast.
The EF 100mm f/2.8L Macro IS USM lens is the second macro lens...
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