- True macro design affords a life-size, 1:1 magnification ratio along with a 6.3″ minimum focusing distance for working with close-up subjects.
- Focusing distance and magnification scale is printed on the top of the lens to aid in more technical applications.
- Focus range limiter switch allows you constrain the usable focus range between 6.3-11.8″, 11.8″-infinity, or full, and a focus hold button is also featured to manually stop the autofocus at a specified point.
- One extra-low dispersion element is featured in the lens design and helps to reduce chromatic aberrations and color fringing for improved clarity and color neutrality.
- One aspherical element is incorporated in the lens design to reduce astigmatism, field curvature, coma, and other monochromatic aberrations.
- Rounded seven-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.
- Maximum f/2.8 aperture suits working in available lighting and also contributes to a compact, lightweight design measuring just 2.8″ long and weighing about 8 oz.
- Dust- and moisture-sealed design better permits working in inclement conditions and rubberized control rings benefit handling in colder temperatures.


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