Leica +1.5 Correction Lens for M series (14352) brand_Whitehouse Products Inc. Provides 1:2 magnification without extension

Provides 1:2 magnification without extension tubes

Not a collectible

but if you're looking for a button on a cable that you can press to take a picture

Focus-Matic works like this: You point the camera at the baseline of your subject

There is a pretty good chance that you already know this

Leica +1.5 Correction Lens for M series (14352) brand_Whitehouse Products Inc. Provides 1:2 magnification without extensionA genuine Leica +1. 5 viewfinder correction lens for M series (model 14352). Now you can take off your prescription lenses when you use your M! As long as your prescription lenses are +1. 5. In excellent condition, with minor cosmetic wear on non glass surfaces (the glass is clean)