Words nearby focusing screen
Origin of focusing screen
Definition for focusing screen (2 of 2)
Origin of reflex camera
Example sentences from the Web for focusing screen
It is upon this focusing-screen in the roof that I see the fiducial lines by which I make all the adjustments.
Nothing can be more convenient than the position of this focusing-screen for working purposes.
Just outside the camera, and in a line with the focusing-screen, is a clip carrying a vertical needle.
By slewing the focusing-screen as shown, a very good general focus for every ray may be obtained.