Karl Fritsch Prokesch Wide angle Aplanat D

Karl Fritsch Prokesch Wide angle Aplanat D (weitwinkel Aplanate D).

 

Plate size in cm
Nr. Opening in mm Focal length mm Wide open Smallest aperture
1 30 100 12×9 18×13
2 35 150 18×13 24×18
3 45 200 24×18 30×24
4 55 280 30×24 40×30
5 65 400 48×36 60×48

 

Karl Fritsch Prokesch lens catalog 1889, Wide angle aplanat
Karl Fritsch Prokesch lens catalog 1889, Karl Fritsch Wide angle aplanat D