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.
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.
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.