Anyone use a periskop (symmetrical doublet)?

[C. D. Keth]

I'm working on designing and building a lens for 8x10. basically it's a for-fun project with elements I can obtain cheaply.

Does anyone have examples of work shot with a periskop lens, also known as a symmetrical doublet?

[Wimpler]

Periskop Aplanat lens. In the first shot you see the lens on the original camera. I used it on a 4x5 monorail, paper negative, lens at f22.

http://farm1.static.flickr.com/112/304077141_4b5fb61948.jpg

http://farm1.static.flickr.com/116/315685293_c83938af50.jpg