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Product Description
APO 200-500mm F2.8 / 400-1000mm F5.6 EX DG
- EX
- APO
- IF
Large aperture ultra telephoto zoom lens offers
a large aperture of F2.8 at the 500mm focal length
and F5.6 at the 1000mm focal length.
This is the first large-aperture ultra telephoto zoom lens that has an F2.8 aperture at the 500mm focal length. With its specially designed attachment mounted, the lens becomes a 400-1000mm F5.6 ultra-telephoto zoom lens capable of auto-focus shooting. It gives the photographer brand new powers of expression in all kinds of photography such as sports, portrait and nature photography. ELD (Extraordinary Low Dispersion) and SLD (Special Low Dispersion) glass provide excellent correction for all types of aberrations and the superior image quality throughout the entire zoom range. Sigma's own revolving filter ring mechanism makes it easy to use a circular polarizing filter.
The first large-aperture ultra telephoto zoom lens of its type
The first ultra telephoto zoom lens to provide an aperture of F2.8 at the 500mm focal length. This lens can be used to create amazing image expression with various types of photography such astrophotography, portraits, wildlife and sports.
A dedicated attachment
With the dedicated attachment mounted, the lens becomes a 400-1000mm F5.6 ultra-telephoto zoom lens capable of auto-focus shooting.
Superior image quality
One SLD (Special Low Dispersion) and three ELD (Extraordinary Low Dispersion) glass elements are employed for effective compensation of color aberration. The Super Multi-Layer Coating reduces flare and ghosting and provides high contrast images throughout the entire zoom range.
Product information
17-50mm
Indicates range of focal length. The larger the number, the greater the magnification of distant objects. The smaller the number, the wider the angle of view.
F2.8
Indicates maximum aperture. The smaller the number, the “faster” the lens, meaning more light can enter to allow shooting under dim illumination. If only a single figure is given, the lens is a prime (fixed focal length) lens or a zoom lens that maintains the same F-number regardless of zoom position. If the maximum aperture of a zoom lens changes depending on zoom position, it is expressed thus: F4.5~5.6
EX
Indicates Sigma’s professional-grade prime and zoom lenses. Generally, these lenses retain the same maximum aperture regardless of zoom position.* Except for certain lens
DC
Indicates high-performance lenses designed especially for cameras with APS-C size image sensors. Vignetting will result if used on larger sensors. Lenses suitable for cameras with full-frame sensors are indicated by the DG mark, and lenses exclusively for mirrorless interchangeable lens cameras are indicated by the DN mark.
OS
Indicates lenses incorporating an Optical Stabilizer (OS) to compensate for camera shake.
HSM
Indicates lenses equipped with a hypersonic motor.
Function
EX
EX Lens
Sigma’s professional-grade prime lenses and wide-aperture zoom lenses that maintain their maximum F-number regardless of zoom position.* Except for certain lens
ASP
Aspherical Lens
Aspherical lenses offer greater design latitude, raise performance, permit use of fewer lens elements, and allow a more compact size.
APO
APO Lens
These lenses include one or more elements made of ELD (Extraordinary Low Dispersion), FLD (“F” Low Dispersion), or SLD (Special Low Dispersion) glass, which help minimize chromatic aberration, which can harm image quality. In wide-angle lenses, they help correct mainly axial chromatic aberration, while in telephoto lenses, they help correct mainly transverse chromatic aberration.
OS
OS Optical Stabilizer
An Optical Stabilizer mechanism built into the lens helps assure a sharp image while giving you freedom of movement and more latitude in camera settings.
HSM
Hyper-Sonic Motor
Using a motor driven by ultrasonic waves, these lenses offer speedy autofocusing and quiet operation.
RF
Rear Focus
Rear focus is one type of Sigma inner focus system, in which focusing is performed by moving particular elements within the lens interior.
IF
Inner Focus
To increase stability, this lens configuration uses movable internal lens elements that adjust focus without changing the length of the lens barrel.
CONV
Teleconverter-Compatible lens
This indicates a lens that will accept available Sigma APO TELE CONVERTER attachments, which increase focal length and support AE (automatic exposure) operation.Note: OS and HSM are not included on mounts for certain camera systems. Please see the specification charts on the following pages for details.
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