Horseman Super Wide Angle 55mm f/4.5 Apo-Grandagon in Focusing Mount for SW612 Cameras
The Apo-Grandagon series incorporate new glass combinations including ED(Extra-low Dispersion) glasses making apo-chromatic correction of super-wide a
The Apo-Grandagon series incorporate new glass combinations including ED(Extra-low Dispersion) glasses making apo-chromatic correction of super-wide angle lenses possible for the first time. The high maximum aperture of f/4.5 makes adjustments easier, and the working aperture of f/11-16 allows shorter exposure times for outdoor work.
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