Originally Posted by wiyum 
That's certainly an interesting concept you've put together, but I personally hate the idea of intermediate optics. Any optical element the light passes through that wasn't part of the original image design is going to introduce any number of artifacts, none of them desirable.
wiyum, thanks for your input. I'm not certain with that idea too, just merely sharing.
the other way is the make the intermediate optic between lens & sensor as thin as possible & highly transparent.
