A quick twiddle of the focussing ring and set up was done.
This great advance, which is the result of the gradual focussing of a century's work in the minute exploration of the exact laws of optical and electric phenomena, clearly carries with it deeper insight into the physical nature of matter itself and its modes of inanimate interaction.
We receive, therefore, in no single intercepting plane behind the system, as, for example, a focussing screen, an image of the object point; on the other hand, in each of two planes lines 0' and 0" are separately formed (in neighbouring planes ellipses are formed), and in a plane between 0' and 0" a circle of least confusion.
Our initial first aid course, focussing on the needs of children, took place in May and was a huge hit.
In his reformulation of the concept of ideology he is focussing on problems concerning the interrelations of meaning and power.