The Leica Ig camera,  
introduced in 1957 in the same time that the Leica IIIg at camera number 
887001 and ceased at number 987525.
Total production of 5968 issues.
Basically a Leica IIIg 
but without a build-in viewfinder or rangefinder. 
No delayed action facility was provided as the 
camera was primarily intended for scientific or Visoflex use.
The camera top plate is supplied with 
two accessories shoes for attaching a separate viewfinder and range finder.
This model was the first to have the 
manufacturer name engraved on the camera front.
The shutter speed from 1 sec. to 1/30 
are mounted on the camera front, B, 1/30 to 1/1000 on the top.
The rewind knob is partially  hided 
into the camera top plate and pulled up to use
The catalogue code word was OCEGO.
Illustrated :
A 1957 issued model with collapsible Summicron 2/50 lens, SOOIC, UVa 
E39 filter and ITOOY sun shade, 
SBOOI reflecting viewfinder, 
last model 50mm engraved and black painted rear ring, 
FOKOS, chromium plated  range finder, 
Leicameter 3 with booster cell 
and leather cases for both, 
ESOOG, leather ever ready 
case, 
Catalogs from 1958, German and French 
printed, showing the Leica Ig camera model.
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