Quote Originally Posted by Jim Fitzgerald View Post
One of the lenses I have handy is my 16-18" Graf Variable. This lens come in at 5# 9 oz. It fits on a 6 inch lens board and projects back in about an inch and a half. The lens is 5 inches in diameter I use it on the studio camera and it has been out in the field once but it did strain the front standard of my walnut 8x10 that I built.
Thanks Jim, that's a fair chunk of metal and glass. Added to the spreadsheet.