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The Horseman 55mm f/4.5 Apo-Grandagon Lens is a Rodenstock 55mm f/4.5 Apo-Grandagon with a standard Copal #0 shutter, but built into a Horseman-specific helical focusing mount and barrel assembly made to fit upon their SW612/SW612 Professional medium format cameras. Used with a 6x12 film back, this lens produces a 91° x 53° field of view, and upon the 612 cameras the helicoid focusing mount allows a minimum focusing distance of 2' (0.6m). Generous amounts of shift are also permitted (only on the 612 Professional).
The 55mm f/4.5 Apo-Grandagon incorporates ED (Extra-low Dispersion) glass, to make truly apochromatic resolution from a wide angle lens possible for the first time. Its large maximum aperture of f/4.5 makes adjustments easier on the ground glass, and the f/11-16 working aperture allows shorter exposure times in outdoor work. The use of the optional #29225 center filter (HOCF67P2.5) is recommended for critical work, especially with transparencies.
A Rodenstock 55mm f/4.5 Apo-Grandagon with standard Copal #0 shutter, built into Horseman-specific helical focusing mount/barrel assembly
Exclusively made to fit SW612/SW612 Professional medium format cameras
Produces a 91° x 53° field of view when used with 6x12 film back
Minimum focusing distance of just 2' (0.6m)
Extremely fine resolving power when stopped down to between f/11-16
ED glass for true apochromatic correction
Large maximum aperture aids focusing in poor light
In the Box
Horseman 45mm f/4.5 Apo-Grandagon Lens Unit for 612
Copal #0 Shutter
Push-On Front & Rear Caps
1-Year Limited Warranty
Table of Contents
8 elements in 4 groups
Image Circle @ Infinity
1-1/500 sec., T, B
Slip-on Cap Sizes
70mm front, 60mm rear
Minimum Focus Distance
1.05 lbs (570g)
Horseman 45mm f/4.5 Apo-Grandagon Lens Unit for 612 Review