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roof prism
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English
Wikipedia
has an article on:
roof prism
Wikipedia
Noun
edit
roof
prism
(
plural
roof prisms
)
A
reflective
optical
prism
containing a
section
where two
faces
meet at a 90°
angle
, resembling the roof of a building. Reflection from the two 90° faces returns an
image
that is
flipped
laterally
across the
axis
where the faces meet.
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