Screw Mount Leica Table

Leica III	A Screw Mont Leica is normally cald "Barnack leica" in Japan, as Osker Barnack(1879-1936) of Leitz designed the early model of Leica cameras.

	Leica	C.A.	Interchange able Lenses	RF	Ilet	Slow shutters	High Speed	Synch	Remarks
1	A	1925	No	No	No	No	500	No	Made debut at Leipzig in 1925
2	B	1926	No	No	No	Yes	300	No	With Compur Shutter
3	C	1930	Yes*	No	No	No	500	No	Lens interchangeable but dignated lens only
4	II	1932	Yes	Yes	No	No	500	No	First RF model
5	III	1933	Yes	Yes	Yes	Yes	500	No	First Slow shutter model
6	IIIa	1935	Yes	Yes	Yes	Yes	1000	No	First with 1/1000sec model
7	IIIb	1938	Yes	Yes	Yes	Yes	1000	No	First small eye peace interval
8	IIIc	1940	Yes	Yes	Yes	Yes	1000	No	Die-cast body, pre War model
9	IIIc	1945	Yes	Yes	Yes	Yes	1000	No	Post War model
10	IIc	1948	Yes	Yes	Yes	No	1000	No	No slow shutter
11	Ic	1949	Yes	No	Yes	No	1000	No	No RF model
12	IIIf	1945	Yes	Yes	Yes	Yes	1000	Yes	Synchro(Black)
13	IIIf	1950	Yes	Yes	Yes	Yes	1000	Yes	Synchro(Red)
14	IIIf	1954	Yes	Yes	Yes	Yes	1000	Yes	Self-Timer
15	IIf	1951	Yes	Yes	Yes	No	1000	Yes	No Slow shutter
16	If	1952	Yes	No	Yes	No	1000	Yes	No RF model

Features of Screw Mout Leica		Leica IIIf Self Timer

1 Film loading	Its hardly possible to load the current films. Need to extent the leader tip of film from current 4cm to 11cm.
2 Eye peace	There are two eye peaces for view and range finder. The interval between them is 6mm after the IIIb, 20mm for before IIIa.
3 Synchronous	From IIIf models. can synchronous under 1/30sec at the black dial number "2" for electric strobe, 1/50sec at red number "20" for later models.
4 Body	Metal Plate body was used IIIb or before, die-cast body was used IIIc or later models which made about 2mm bigger in size of width and height.
5 Shutter	No slow speeds for II or before models. Highest shutter speed was 1/500sec for II and III, made 1/1000sec for IIIa or later models. No slow speed was added for IIc,Ic,IIf,If models.
6 Eyelet	No eyelet for II or before.
7 Self-Timer	It had only the latest model of IIIf.

The data refered to "Leica Manual"(by K.Urago: Nippon Camera Inc.).

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