Rectilineaire Extra Rapide 170mm F8 French 9x12cm Detective Camera Brass Lens. This Rectilineaire Extra Rapide 170mm F8 French 9x12cm Detective Camera Brass Lens Is In Very Good Condition. There are a few scratches on the front and rear elements along with a couple deeper ones.
Here is light haze but no fungus in the elements. The Aperture works fully though a bit tight and deformed. The focusing moves fully but is quite stiff and difficult to use See photos for further details. This came off of a c 1900 French 9x12cm.
Focal length and aperture were roughly measured to 170mm F8. ...
