TypeBox
Format ClassMedium Format
Lens ConfigurationFixed
LensAchromat
Focal Length105mm
Max Aperture11
Min Aperture16
FocusFixed | Close-up
Focusing SystemFixed | Close-up
Viewfinder TypeBrilliant
ViewfinderBrilliant
Min Focus Distance1m
Film Format120
Nominal Format6 × 9 cm
Image Dimensions—
ShutterSimple rotary shutter
Min SpeedB
Max Speed1 / 50s
Flash SyncNo
Start Year1940
End Year1946
SeriesZeta
Materialmetal, Leatherette
Dimensions75x98x110mm
Weight390g
ColorBlack
PowerNone
Nominal format. Exact image dimensions are not documented here.