Flange Sizes for Common Shutters

Shutter (size) Diameter/thread pitch Common lenses
Alphax 0 1.180/40  
Alphax 3 1.98/30 Ektar 8.5, most Ilex Paragons, many others
Alphax 4 2.618/30 Several Goerz lenses, many others
Alphax 5 3.117/30 Caltar 14.75"
Betax 2 1.325/40  
Betax 4 2.62/30  
Betax 5 3.117/30  
Compound Large 59.85/M.9  
Compound Medium 49.85/M.9  
Compound 3 (early) 60.0/M.9  
Compound 4 76.6/M.0  
Compound 5 89.75/M1.0  
Compur 0 M32.5/.5  
Compur 0 32.5/M.5  
Compur 00 M25.0/.5  
Compur 1 M39.0/.75  
Compur 2 M50.0/.9  
Compur 2 Dialset 50.0/M.9  
Compur 3 M62.0/.75  
Copal 0 32.5/M.5  
Copal 1 39.0/M.75  
Copal 3 (new) 62.0/M.75  
Copal 3 (old) 60.0/M.75  
Copal 3s 61.0/M.75  
Graphlex 00 .9455/40  
Ilex 1 1.327/40  
Ilex Acme 3 1.911/40  
Ilex Acme 4 2.495/30  
Ilex Acme 5 3.225/30  
Ilex Dialset 4 2.51/30  
Ilex Kodak 4 2.781/24  

 

 

 

 

Prontor Press 9

 

 

 

 

32.5/M.5

 
Prontor Prof. 3 62.0/M.75  
Rapax 1 1.1775/40

Wolley 162

Rapax 3 1.660/32  
Seiko 0 32.5/M.5  
Seiko 1 39.0/M.75