A 35mm Beattie Intenscreen™ bright focusing screen will increase
image brightness by 1 - 1½ f-stops
Many
sports, nature and astro-photographers use
35mm cameras because the wide selection of
telephoto lenses make it easy to get close
to the subject. However, longer telephoto
lenses, particularly zoom lenses, often have
a smaller maximum aperture making them slow
and difficult to focus in low light. A
Beattie
Intenscreen™ bright focusing screen will
increase image brightness by 1 - 1½ stops
making it easier to focus on distant subjects, even when using a telephoto lens.
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