- material,
while a
compound lens consists of
several simple lenses (elements),
usually arranged along a
common axis.
Lenses are made from
materials such...
-
Contact lenses, or
simply contacts, are thin
lenses placed directly on the
surface of the eyes.
Contact lenses are
ocular prosthetic devices used by over...
- m**** production.
Typical rectilinear lenses can be
thought of as "improved"
pinhole "
lenses". As shown, a
pinhole "
lens" is
simply a
small aperture that blocks...
-
versions of PC
lenses.
Olympus produced 35 mm and 24 mm
shift lenses.
Canon currently offers 17 mm, 24 mm, 50 mm, 90 mm and 135 mm tilt/shift
lenses.
Nikon currently...
-
Progressive lenses are
corrective lenses used in eyegl****es to
correct presbyopia and
other disorders of accommodation. They are
characterised by a gradient...
-
quality of the
lens,
which is why
precise imaging applications such as
photography usually still use
larger conventional lenses.
Fresnel lenses are usually...
-
activating light, the
lenses return to
their clear state.
Photochromic lenses may be made of polycarbonate, or
another plastic. Gl****
lenses use
visible light...
-
optical lens ****ists in the
transport of
light in an
optical instrument.
Systems of
electrostatic lenses can be
designed in the same way as
optical lenses, so...
- Sony E-mount
Lens)
lenses for Sony E-mount
cameras since 2010. They are also
compatible with H****elblad E-mount cameras. Some of the
lenses introduced into...
-
lenses can be as
short as 1–2 mm.
Fisheye lenses also have
other applications, such as re-projecting
images originally filmed through a
fisheye lens,...