Featured here are pictures of the 12in and 6in Metrogon Lenses

12in Metrogon

12in Metrogon Rear element

12in Metrogon c.1968

12in Metrogon

Image circle = 646.5mm

12in Metrogon

6in Metrogon c.1968

6in Metrogon

153.05mm Metrogon

Rear element of 153.05mm Lens

12inch Metrogon on lensboard

12inch Metrogon, mounted with lens covers

12inch Metrogon rear element

Barrel mount 1

Waterhouse stops for 12in lens, lenscap for shutter

12in Metrogon on Ansco 8X10

Barrel mount with waterhouse slot 2