SLR lens mount

Start mount

Everything about the Start: flange focal distance, native lenses, cameras and which adapters keep infinity focus.

42.00 mm
Flange focal distance
1958
Introduced
SLR
System type
0
Lenses in our database

Mount facts#

Mount
Start
Maker
Start
Type
SLR
Flange focal distance
42.00 mm
Formats
—
Electronic contacts / AF
No (mechanical / manual)
Production
1958–1964

Adapting basics#

A lens can be adapted with simple tube spacers when its flange distance is longer than the camera's. With 42.00 mm, Start lenses can in principle go on bodies with shorter flanges such as Konica AR, Konica F-mount, Four Thirds, Minolta V-mount, Nikon S / Contax RF, Contax RF-mount. Bodies with this mount can take lenses from longer-flange systems such as Minolta SR / MC / MD, Fujica X, Petri Bayonet, Canon EF, Canon EF-S, Sigma SA, M39x1, Kiev Automat.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources

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