The genius that is Hien at Letus has worked out how to solve the problem with edge sharpness by creating a new achromat and a new piece of glass that sits between the ex1 and the letus.
Go to Steve Cahill’s blog to see loads of photos and video of it in action as well as some incredibly comprehensive tests and great interviews. Please ignore the one with me though!
Mine arrives tomorrow so will shoot something with it very soon!
This really makes the EX1 the ultimate adaptor cam.
Where does this leave the Brevis? No idea. I have repeatedly asked for info on how to make it work with all three diffusers and had no answers. You can just about make the CF1 acceptable, but not the other diffusers.
If anyone is reading this knows please let me know!