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Description
Large aperture ultra telephoto zoom lens offers a large aperture of F2.8at 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.
Circular polarizing filter
A drop-in 72mm filter holder in the rear part of the lens barrel can be rotated to facilitate the use of filters, including a polarizing filter.
Li-ion battery BP-21
The dedicated Li-ion battery BP-21 is used to power the zooming and AF operation.
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.
Easy Operation and Handling
For the convenience of the photographer, focusing distance and focal length is displayed on the LCD panel built in the rear of the lens. It is possible to switch the camera to vertical position easily by loosening a knob in the rear of lens body.
Superior image quality
One SLD (Special Low Dispersion) and three ELD (Extraordinary Low Dispersion) glass elements are employed for effective compensation of colour aberration. The Super Multi-Layer Coating reduces flare and ghosting and provides high contrast images throughout the entire zoom range.