ALPA Rodenstock 138mm f/6.5 HR Alpagon, SB51 in Aperture Unit
ALPA HR Alpagon 6.5/138mm float, SB51, in Aperture Unit, special helical with automatic coupled floating element for optimum performance from infinity down to 1:4.
HR ALPAGON 138mm – todays pinnacle of medium/large format lens design. This lens offers almost unlimited resolution and, thanks to the automatically adjusted floating element, can convince with its consistently high imaging performance and uniformity.
Scope of delivery: The multifunctional adapter SB51 and a sun shade are included.
Digital backs with electronic shutter (currently Rolling Shutter for Phase One IQ 3/4) are becoming increasingly available. The new Rodenstock aperture unit – with its almost round, 9-piece aperture pattern – optimally supports this shutter type. Besides, lens versions in short barrel can also be used on the ALPA 12 FPS with its built-in focal-plane shutter.