The 17-35mm f/4 Pro FX Lens for Canon Cameras from Tokina is designed for use with a Canon full frame digital or film camera. This ultra wide-angle lens gives you a 103.9° angle of view at the 17mm end of the zoom, and a bright, constant f/4.0 maximum aperture, making it ideal for low light photography. Two Super-Low Dispersion glass elements and one aspheric glass element produce superior contrast and sharpness, and help control chromatic aberration.

Tokina’s One-Touch Focus Clutch Mechanism provides a quick and simple way to switch back and forth between autofocus and manual focus. The lens has been designed using improved seals, making it “water-resistant” (not waterproof), so that damp conditions won’t spoil your shooting expeditions.

Dedicated FX Digital SLR Lenses

Full-size according to the imaging device is a compact wide-angle zoom lens. Tokina latest proprietary optical design to ensure ease of use for up to 35mm focal lengths from 17mm wide-angle telephoto end, high-performance model yet achieved a constant F4.

Outstanding optical performance

Only full-size pickup device (FX) optics was developed, in order to cope with high-resolution imaging device, P-ideally located in the ultra-dispersed two glass sheets each lens 2 MO, stable throughout the entire zoom We provide a high level of imaging performance.

Lightweight, compact appearance

AT-optical system is mounted on a X 17-35 F4 PRO FX is a high performance yet, we have realized a compact design. The maximum diameter of 94.5mm × 89mm long, we have an equivalent compact size and 600g weight DX ultra-wide angle zoom.
Quiet AF with high accuracy

Nikon, Canon, both with the motor in the lens. AT-SD and was released ahead of the original GMR sensors mounted on the Tokina X 16-28 F2.8-M (Silent Drive-Module) has achieved a high AF precision combination of quiet.

PRO specifications appearance

One-touch Focus Clutch with focused operations in the sense of MF, such as the rubber sealing mount for shock, and subjected to exterior design changes without dust and water-friendly length, even in harsh shooting conditions correspond.

Links

Microsite (Japanese) with sample photos

Official product site (Japanese)