Check this RF design out...

[sychan]

Pretty clever - include the RF/VF module along with the entire lens!

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=15234&item=7504301323&rd=1

It even has an advance lever!!

 

[Sonnar Brian]

Just when you think that you have seen every interchangeable mount RF camera there is.

The Polaroid 180 and 195 also have two sets of leafs for the shutter. With ASA3000 film you need it.

 

[Doug]

That's an interesting one for sure! If I were a collector, that would appeal to me. But of course I'm not. No, really.

I'll venture that the second shutter, which appears to be in the body while the main shutter is in the lens, serves as a dark slide protecting the film while changing lenses.