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Joseph Petzval (6
January 1807 – 17
September 1891) was a mathematician, inventor, and
physicist best
known for his work in optics. He was born in the...
- The
Petzval objective, or
Petzval lens, is the
first photographic portrait objective lens (with a 160 mm
focal length) in the
history of photography....
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Petzval field curvature,
named for
Joseph Petzval,
describes the
optical aberration in
which a flat
object normal to the
optical axis (or a non-flat object...
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focus is
expressed by the
Petzval field curvature, also
known as
Petzval sum. This was
defined by the
mathematician Joseph Petzval as the sum of the product...
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telescopes to
improve edge sharpness.
Field flattener lenses counteract the
Petzval field curvature of an
optical system,
mitigating the field-angle dependence...
- miniatures, was in use for
about two
years before it was
replaced by
Petzval's Portrait lens,
which gave
larger and
sharper images.
Antoine Claudet had...
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Petzval is a
lunar impact crater that lies in the
southern latitudes of the Moon's far side. This
crater is
located to the
south of the
larger Lippmann...
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national chauvinism, the
Petzval did not win the prize,
despite being far
superior to all
other entries.: 35–36 A 150mm
Petzval lens was ****ed to a conical...
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calculating the
optimal pinhole diameter was
first published by
Joseph Petzval in 1857. The
smallest possible diameter of the
image point and therefore...
- Štohl
February 19, 1980 Kleť A.
Mrkos · 4.9 km MPC · JPL 3716
Petzval 1980 TG
Petzval October 2, 1980 Kleť A.
Mrkos NYS 4.7 km MPC · JPL 3717 T****nia...