Dallmeyer Patent Portrait D Series

Dallmeyer D Series petzval lens with soft focus adjustment, F Ratio 1:6.

No Diameter of lens element Focal length Recommended format
Dallmeyer 2D 40mm 230mm 12×16
Dallmeyer 3D 55mm 316mm 16×21
Dallmeyer 4D 75mm 430mm 18×24 cm (8×10″)
Dallmeyer 5D 85mm 481mm 24×30 cm (10×12″)
Dallmeyer 6D 100mm 600mm 30×40 cm (12×16″)
Dallmeyer 7D 125mm 793mm 40×50 cm (16×20″)
Dallmeyer 8D 150mm 937mm 50×60 cm (20×24″)

Dallmeyer lens catalog

Dallmeyer A D Series petzval