Leitz wrote:
You can see what the subject looks like in your viewfinder, just arrange your lighting to show the detail you want. The body cap is either a 39mm thread or a bayonet - surely you can tell the difference? Measure the inside diameter of the lens cap, it is not difficult.
I trust you will consider this an attempt to help you sell them, and is not nit-picking.
Appears to be the 39mm bayonet. Thank you for your input..