The number of focusing screens was also expanded from four to nine.

The brightness of the focusing screen no longer matters.

On other cameras, the photographer examines the focus directly by means of a focusing screen.

It all looked fine on the focusing screen.

The light passing through the lens is reflected by the mirror to a focusing screen, usually ground glass.

In the reflex camera, the light from the lens is projected onto a focusing screen.

A black cloth is required to keep stray light out while observing the image on the ground glass focusing screen.

The focusing screen is where the photographic lens image is projected.

Speaking of the view, there are seven focusing screens available, and 100 percent of the image area is visible.

Focusing screen - used in photography, and often etched

When the top lid is fully opened, the large square magnifier swings up over the focusing screen.

Sometimes an adjustment lens, called a diopter correction, is needed to bring the focusing screen itself into focus.

Viewfinders and focusing screens could give different metering options.

The two objectives are connected, so that the focus shown on the focusing screen will be exactly the same as on the film.

The New F-1 requires a focusing screen change to switch metering patterns.

Often, focusing screens are available in variants with different etched markings for various purposes.

Both the viewfinder and the focusing screen are interchangeable to suit the task at hand, a large choice of alternatives were available.

The F2 also had interchangeable viewfinder focusing screens.

The history of the focusing screen is almost as long as the history of the camera.

It has a removable pentaprism finder and focusing screen.

This occurs when the mirror in the camera is smaller than the focusing screen and using long (telephoto) lenses.

When the image is composed and focused, the focusing screen is replaced by the plate holder.

The viewfinder can include a matte focusing screen located just above the mirror system to diffuse the light.

It has interchangeable focusing screen and viewfinder; the S69 screen is particularly bright.

The viewfinder also has a focusing screen with a microprism spot focusing aid.