
The URL given for more info is http://www.edmundoptics.com/titantl .
The lens being held appears to be their #34-018, specified as 0.093X, Horizontal FOV 186.3 mm on 4/3" sensor. List price $8950.
It looks to me like the "242mm" spec shown in the illustration refers to image diagonal, 22.5 mm for a 4/3 sensor at 0.093X = 242 mm.
They have smaller ones, of course.
--Rik