Nikon AF Fisheye-Nikkor 16mm f/2.8D Брошура та технічні характеристики - Сторінка 3
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A history of exceptional performance —
NIKKOR lenses
N
ikon began producing lenses under the NIKKOR name in 1933, and since then more
than 40 million lenses have been sold worldwide. Throughout the years, our unwaver-
ing commitment to quality and innovation has yielded many breakthroughs in the photo-
graphic industry. For example, Nikon introduced the Nikkor Auto 24mm f/2.8 incorpo-
rating Nikon-pioneered Close-Range Correction (CRC) system in 1967, and started
production of aspherical lenses in 1968. In addition, Nikon developed ED (Extra-low
Dispersion) glass which made its first appearance in the 300mm f/2.8 ED Nikkor tele-
photo in 1972, and is now incorporated in many other NIKKOR lenses. And in 2003,
Nikon produced the AF-S DX Zoom-Nikkor 12-24mm f/4G IF-ED, as the first lens
optimised for Nikon DX-format digital SLRs in the new DX NIKKOR series.
These are just a few of the many achievements in lens design that exemplify Nikon's posi-
tion as the world's preeminent manufacturer of professional photographic equipment. The
following offers in-depth technical information that will help you understand more fully that
NIKKOR lenses provide superior performance and are thus the best match for your Nikon SLR.
Where it all begins —
Nikon glassworks
To make the finest lens ele-
ments, you must begin with
the finest optical glass. To
ensure this, Nikon does what
few makers can — it manu-
factures the glass for nearly
all NIKKOR lenses in its own
glassworks. This means our
lens designers have over
200 types of glass to choose
from, giving them an excep-
tional variety from which to
select just the right optical
glass for their requirements.
Moreover, when these
requirements demand lens
properties not yet available,
the glass technicians work to
find a solution — which often
results in engineering new
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Optical design using computer
types of glass. This is pre-
the NIKKOR lens. The lens
cisely how Nikon developed
mount, too, features similar
Extra-low Dispersion (ED)
materials.
Computers and lens design
glass in 1972 — to meet
design demands for super-
Nikon designers employ the
telephoto NIKKOR lenses.
latest computers and Nikon-
Lens construction
developed software to deter-
The peerless craftsmanship
mine the optical design of
of NIKKOR lens elements
each lens. Using this data
is matched by the structures
together with their accumu-
that
house
them.
Only
lated experience, they create
the
best
materials
are
the finest SLR lenses avail-
used for the mechanical
able.
construction of each lens.
Computer-aided design
Fine
metal
alloys
and
simulation is also used to
polycarbonates make up
ensure the utmost precision
the
helicoids
in
some
in the optical and mechanical
lenses.
Inner
and
outer
parts of each lens as well as
sleeves
are
tooled
with
the quality of the lens assem-
maximum precision, result-
bly process. In this way, com-
ing in the smooth lens
puters can identify problem-
movement that characterises
atic areas thus leading to
improved overall lens design
ensures that your Nikon
and ensuring the superior
camera is compatible with
performance of the finished
most NIKKOR lenses and
product.
that your Nikon equipment
Electronics — microcomputer
can accommodate future
innovation for precise
system advances.
performance
The recent advances in the
achieves something no other
computer industry play an
design can — it is compati-
integral role in the makeup
ble with both types of lens
as well as design of NIKKOR
drive systems — the conven-
lenses. For in addition to
tional mechanical AF cou-
superior optics, each AF
pling design for wideangle
NIKKOR features a built-in
and standard zooms, and
microcomputer. This micro-
Nikon's
computer works with the
(Silent Wave Motor) system
Nikon AF camera computer
featured
system to provide information
advanced
that ensures fast autofocus,
NIKKOR lenses. This is just
Optical glass
Matrix exposure metering,
one example why the Nikon F
raw materials
Inspecting glass blocks
Coating lenses
Balanced Fill-Flash, and other
mount continues to be an
Nikon innovations in SLR per-
integral part of Nikon camera
formance.
equipment design.
Reliability — lenses made
Only NIKKOR lenses are
to withstand the toughest
designed for today's and
conditions
tomorrow's Nikon SLR cam-
eras, based on information
Each NIKKOR lens is manu-
and insight available exclu-
factured to meet the most
sively within Nikon — includ-
stringent requirements in the
ing autofocusing parameters.
industry. The optical glass is
No other lens maker can pro-
scrutinised to assure it is free
vide this type of assurance.
of imperfections, whereupon
The Nikon F lens mount —
it is then remelted, cast,
a tradition of continuity
ground, polished and hard-
and forward compatibility
coated to emerge as one of
The debut of the original
the world's finest lens ele-
Nikon F also marked the
ments. After being precisely
introduction of what is per-
mounted in lens barrels, the
haps its most significant
lens elements and their
technological innovation —
assemblies undergo a bat-
the Nikon F lens mount.
tery of tests and inspections,
This
legendary
design
including vibration and tem-
perature-resistance analysis.
One of these tests concerns
the lens' Optical Transfer
Function (OTF), which evalu-
ates the resolving power and
contrast of the lens. To per-
Moreover, the F mount
form this test, Nikon devel-
oped the exclusive Nikon
OTF Analyser (NOA).
In
addition
to
these
uncompromising tests, Nikon
technicians further guarantee
the performance of the final
product by going over every
exclusive
SWM
detail of every finished lens.
They check and assure the
in
the
most
mechanical
construction,
supertelephoto
electronics, AF movement,
zoom and aperture mecha-
nisms, and lens resolution.
Adjusting optical axis
All of which ensures that the
lens does what it's supposed
to — provide the outstanding
optical performance and reli-
ability that make NIKKOR
lenses the pro's choice the
world over.
Inspecting resolution
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