Schneider Apo-Digitar 5.6/180 mm T, SB34

ALPA / Schneider Helical Mount 25

Focal Length: 180 mm
Focal Length effective: 180.13 mm
Equivalent 35 mm @ 33x44 mm : 141 mm
Equivalent 35 mm @ 40x54 mm : 116 mm
Image circle: 120 mm
Shift @ 33x44 mm: horiz. 36 mm / vert. 39 mm
Shift @ 40x54 mm: horiz. 30 mm / vert. 34 mm
Close focus distance: 2.20 m (ALPA / Schneider 25 helical mount)
Filter thread: 55.0 mm
Best f stop digital: f 8 - f 11
Best f stop film: f 8 - f 16
Shutter: Copal 0, 1sec - 1/500sec, B, T
Product remarks: Schneider Apo-Digitar 5.6/180 mm T, SB34, adjusted by Schneider-Kreuznach to ALPA standard

ALPA / Linhof Helical Mount

Close focus distance: 2.20 m
Filter thread: 55.0 mm
Best f stop digital: f 8 - f 11
Best f stop film: f 8 - f 16
Shutter: Copal 0, 1sec - 1/500sec, B, T
Product remarks: Schneider Apo-Digitar 5.6/180 mm T, SB34, adjusted by Schneider-Kreuznach to ALPA standard