In article<088dc8b8-5ad5-4944-b9ba-f11f2a84c589@googlegroups.com>, RichA 
wrote:

> > Sandman:
> > <https://petapixel.com/2017/12/30/guy-made-8x10-large-format-video-
camera>
> > The title is a bit misleading. He is using a large format lens to
> > project the image on a cinema screen-like surface in the back of
> > the camera, and then use a full format Sony A7S II to film that
> > projection with a wide-angle lens. I suppose it's the closest
> > thing we can come to a large format video camera without building
> > a huge 8x10 digital sensor. The end result is 4k@24fps -- Sandman
> 
> So he just wanted the kind of image an 8x10 lens produces?

Yup, and thi sis probably a better method to achieve this rather than trying 
to adapt the lens for the sensor. The A7S II is amazing and if it records the 
projected image, you will get 100% of the lens characteristics in the end 
result, if you can adjust for the angle properly. 

-- 
Sandman