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ASP
(Aspherical Lens)
The aspherical lens complex allows freedom of design, improved
performance, a reduced number of component lenses and a compact size. |
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APO
(APO Lens)
In order to attain the highest quality images, the APO lens has been made
using special low-dispersion (SLD) glass and is designed to minimize color
aberration. |
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OS
(Optical Stabilizer) Function
This function utilizes a built-in mechanism that compensates for camera
shake. It dramatically expands photographic possibilities by alleviating
camera movement when shooting by hand held camera. |
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HSM
(Hyper-Sonic Motor)
This lens uses a motor driven by ultrasonic waves to provide a quiet,
highspeed AF. |
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RF
(Rear Focus)
This lens is equipped with a system that moves the rear lens group for
highspeed , silent focusing. |
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IF
(Inner Focus)
To ensure stability in focusing, this lens moves the inner lens group or
groups without changing the lens' physical length. |
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Conv
(APO Teleconverter EX)
This lens can be used with the APO Teleconverter EX. It can increase the
focal length and will interface with the camera's AE (automatic exposure)
function. |
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EX
(EX Lens)
The exterior of this lens is EX-finished to denote the superior build and
optical quality, and to enhance its appearance. |
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DG
(DG Lens)
These are large-aperture lenses with wide angles and short minimum
focusing distances. With an abundance of peripheral illumination, they are
ideal lenses for Digital SLR Cameras whilst retaining suitability for
traditional 35mm SLRs. |
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DC
(DC Lens)
These are special lenses designed so that the image circle matches the
smaller size of the image sensor of most digital SLR cameras. Their
specialized design gives these lenses the ideal properties for digital
cameras, the compact and lightweight construction is an added bonus !
including compact and lightweight construction. |
