TypeBox
Format ClassMedium Format
Lens ConfigurationFixed
LensMeniscus
Focal Length75mm | 105mm
Max Aperture14
Min Aperture16
FocusFixed | Close-up
Focusing SystemFixed | Close-up
Viewfinder TypeBrilliant
ViewfinderBrilliant
Min Focus Distance0.9m
Film Format120 / 620
Nominal Format6 × 4.5 cm / 6 × 6 cm / 6 × 9 cm
Image Dimensions—
ShutterRotary
Min Speed1 / 40s
Max Speed1 / 40s
Flash SyncNo | Yes
Start Year1934
End Year1954
SeriesCoronet 20 seriess
MaterialCardboard, Plastic, metal
Dimensions95x118x90mm
Weight484g
ColorBlack and silver
PowerNone
Nominal format. Exact image dimensions are not documented here.