Nikon 105mm f/2.8G AF-S VR Micro NIKKOR 320066 用户手册

产品代码
320066
下载
页码 17
VR lens unit
Image sensor
Direction of movement
VR mechanism
VR on
VR off
(From left) Without coating, Nikon Super 
Integrated Coating, Nano Crystal Coat
Nano Crystal Coat
Lens
Reflected light
Nano Crystal Coat
Incident light
Without coating
Lens
Conventional multilayer
coating
Reflected light
Incident light
SWM
Compact SWM
28
VR (Vibration Reduction): Correct blur while retaining a stable viewfinder image
AF-S NIKKOR lens with SWM for quiet autofocus
Nano Crystal Coat minimizes ghost and flare 
effects to provide clear images
Secondary
spectrum
Normal glass
Secondary
spectrum
ED glass
ED glass effectively reduces chromatic aberration 
at high magnification
Aspherical lens for effective aberration correction
M/A mode for quick switching from AF to MF
A/M (auto-priority manual) mode
High Refractive Index lens
A-M mode switch/ring/lever
Ordinary diaphragm Rounded diaphragm
29
NIKKOR’s Vibration Reduction system helps you achieve sharper, 
steadier shots by compensating for camera shake when shooting 
telephoto subjects, dimly lit scenes and other handheld situations 
– including D-movie shooting. Camera shake information 
is detected by the VR sensor of the VR lens unit, which is 
continually in motion inside the lens, aligning the optical axis with 
your camera’s imaging sensor, thereby reducing image blur and 
providing the equivalent of shooting at shutter speeds up to three 
(with VR) or four (with VRII) stops faster.*
* Depending on the situation and photographer
Originating from Nikon’s work in semiconductor 
manufacturing technology, NIKKOR’s Nano 
Crystal Coat is an antireflective coating that 
employs an extra-low refractive index coating 
featuring ultra-fine, nano-sized* crystal 
particles. These crystallized particles eliminate 
reflections inside the lens throughout the 
spectrum of visible light waves (380 to 780 
nm) in ways that far exceed the limits of 
conventional antireflection coating systems. 
Nano Crystal Coat not only solves ghost effects 
caused by red light, which was incredibly 
difficult for previous systems. It also effectively 
reduces ghost and flare effects caused by 
light entering the lens diagonally. The 
result: clearer images. 
* One nanometer equals one millionth of a millimeter
Known for its reliability, clarity and devotion to the needs of passionate photographers, NIKKOR, Nikon’s exclusive lens brand, is on a quest 
to create the finest optics in the world. By adhering to the strictest requirements and testing both in the lab and across a wide range of 
actual shooting situations, Nikon creates technologies that make NIKKOR lenses the best choice for any type of still or moving imagery.
In-lens blur correction for clearer viewfinder image and 
dual algorithm
Nikon's Vibration Reduction (VR) function is built into the lens. 
Unlike with in-camera systems, your camera’s sensor does not 
move with VR, thereby giving you a steadier view through the 
viewfinder and eliminating the blur you would see in the image 
itself. A clear view makes it easier to confirm your composition 
and place your focus point accurately.
Looking through a fully blur-corrected viewfinder for long 
periods of time may cause feelings similar to motion sickness 
in some photographers. To prevent this, Nikon developed an 
exclusive algorithm utilized when the shutter release button is 
half-pressed. This first algorithm controls the blur correction 
at a slightly lower level than usual. When the shutter release 
button is fully pressed, a second algorithm engages to maximize 
camera shake compensation during exposure for clear images.
Panning Detection for moving subjects
Sometimes the movement of a subject needs to be emphasized. 
To make the most of this effect, Nikon employs a Panning 
Detection function, which senses camera movement and 
automatically controls blur-correction. So for example, when 
panning horizontally, only vertical blur is corrected.
Active mode for shooting from a moving vehicle
In Normal mode, Nikon’s VR function interprets both slow and 
broad camera movement as if the photographer is recomposing 
and then adjusts for blur-correction accordingly. However, when 
shooting from a moving vehicle or other unstable position, 
the lens can sometimes misinterpret camera movement or a 
photographer’s intentions. In this case, choose Active mode* for 
further compensation, a more stable viewfinder image and even 
steadier shots.
* Active mode is employed in select VR lenses.
Optimization in every lens
Consider, for example, the special situation of using a micro 
lens to shoot extreme close-ups of a flower where the 
photographer is in a crouching position. This shooting scenario 
deserves its own VR parameters, so Nikon conducted over 
10,000 shooting tests to refine unique algorithms for each 
VR lens type. Yet another reason why the vibration reduction 
system is built inside the lens.
NIKKOR TECHNOLOGY
Nikon’s original Silent Wave Motor (SWM) 
converts “traveling waves” into rotational 
energy to drive the optics used for 
focusing. The two SWM lens types – ring 
type and compact type – are specifically 
chosen to match each lens’s specs and 
design. Any AF-S NIKKOR lens featuring 
these SWMs delivers extremely smooth, 
quiet and comfortable auto focusing for 
both general shooting as well as extreme 
situations, such as sports and wildlife. 
Nikon was the world’s first camera maker 
to develop ED (Extra-low Dispersion) 
glass that could minimize prism-caused 
color dispersion. This low-dispersion ED 
glass also offers anomalous dispersion 
characteristics like calcium fluoride 
crystals, which consequently minimize 
the secondary spectrum. For lenses 
using normal optical glass, the longer 
the focal length, the more difficult to 
correct the chromatic aberration that 
causes color fringing. Nikon's ED glass, 
which effectively compensates for this 
kind of chromatic aberration, is employed 
in a wide range of NIKKOR telephoto lenses for superior 
reproduction. Nikon has also developed Super ED glass to 
minimize aberration even further. Look for Super ED glass in the 
AF-S NIKKOR 200mm f/2G ED VR II.
With a refractive index of more than 2.0, one HRI lens can offer 
effects equivalent to those obtained with several normal glass 
elements and can compensate for both field curvature and 
spherical aberrations. Therefore, HRI lenses achieve great optical 
performance in an even more compact body.
This mode also enables an easy transition 
from autofocus to manual during AF operation. 
However, mode switch sensitivity has been 
altered to reduce the possibility of sudden 
unintentional switching to manual focus while 
shooting.
This type of lens utilizes non-spherical surfaces on either one or 
both sides of the glass in order to eliminate certain types of lens 
aberration. These aspherical elements are particularly useful for 
correcting the distortion in wide-angle lenses. Such distortions 
are caused by variations in the magnification of the image, 
depending on its distance from the optical axis. Aspherical lens 
elements correct these distortions by continuously changing the 
refractive index from the center of the lens.
Since the 1960s, Nikon engineers have established design 
theories and lens-processing techniques to refine the 
aspherical lens. In 1968, the OP Fisheye-NIKKOR 10mm f/5.6 
became the first interchangeable SLR lens incorporating 
aspherical lens elements. Since then, aspherical lenses have 
been an important part of the NIKKOR lens family, with every 
new addition to the lineup providing a new level of contrast, 
resolution and compact design.
Simply by rotating a focus ring, M/A mode allows you to switch 
from autofocus to manual with virtually no time lag. This makes 
it possible to seamlessly switch to fine manual focusing while 
looking through the viewfinder.
Thanks to a mechanism incorporated in the lens barrel, smooth 
focusing operation in Manual focus mode is realized in the same 
way as users have become accustomed to with conventional 
manual-focus lenses by adding an appropriate torque to the 
focus ring.
Nikon Super Integrated Coating
Nikon’s exclusive multilayer lens coating achieves 
high transmittance in a wider wavelength range. 
Even for zoom lenses with a large number of glass 
elements, this coating system effectively reduces 
the ghost and flare effects that are likely to occur in 
backlit situations, helping you achieve high-contrast 
images with rich gradation. With outstanding color 
balance and reproduction capability, superb optical 
performance can be achieved. Ghost and flare 
effects caused by internal reflections particular to 
digital cameras are also effectively minimized. This 
coating system is applied to all current lenses in the 
NIKKOR lineup.
D Signal – Distance information output 
capability
The D stands for Distance. Subject-to-camera 
distance information is obtained with an internal 
encoder, which is linked to the lens focus ring. This 
information is then transmitted to the camera body 
for high-precision exposure control found in 3D 
Color Matrix Metering II/III and i-TTL Balanced Fill-
Flash. Every AF, AF-S, PC and PC-E series lens has a 
distance signal built in.
G-type NIKKOR lenses 
For this type of lens, apertures are always selected 
from the camera body, as there is no aperture ring on 
the lens itself. These lenses have D Signal to transmit 
subject-to-camera distance to the camera body.
Rounded Diaphragm
When shooting with an ordinary diaphragm, blurry, 
polygon-shaped spots are likely to appear in images 
of scenes that include point light sources such as 
street lamps or holiday lighting at night. A rounded 
diaphragm is achieved by using specialized blades for 
a beautiful and naturally round shape for out-of-focus 
objects.
Internal Focusing  
With this focusing method, all the lens elements are 
divided into front, middle and rear groups, with only 
the middle group moving to focus. 
Rear Focusing  
With Nikon’s Rear Focusing (RF) system, all the lens 
elements are divided into specific lens groups, with 
only the rear lens group moving for focusing.
Close-Range Correction system  
The Close-Range Correction (CRC) system is one 
of Nikon’s most important focusing innovations, 
because it provides superior picture quality when 
shooting at close distances, increasing your focusing 
range. With CRC, the lens elements are configured 
in a “floating element” design wherein each lens 
group moves independently to achieve focusing.