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Special
apochromatic six-element lens for 1:1 dupes without visible quality
loss. Used in professional slide copiers and in SLR cameras with
bellows or helical focusing mounts. Outstanding results also when used
as a macro lens. Has click stops (can be disengaged) and preset
apertures. Symmetric lens configuration results in completely
distortion-free operation and the apochromatic correction eliminates
all color fringing.
Magnification Range: 0.9x to 1.1x
Working Aperture: As non color-related aberrations are almost absent,
can be used at f/5.6
