Covering a versatile wide-angle range, the Canon EF-mount atx-i 17-35mm f/4 FF, from Tokina, is an ultra-wide zoom that is well-suited for a variety of subjects, ranging from landscape to architecture to astrophotography. An advanced optical design incorporates a series of aspherical and low dispersion elements, which suppress a variety of aberrations for improved sharpness and clarity. Individual elements are also multi-coated to resist flare and ghosting for greater contrast and color accuracy when working in bright or backlit conditions. Complementing the optics, this lens features a One-Touch Focus Clutch Mechanism for fast changing between AF and MF settings, and an internal focusing design is used for responsive focusing performance.

EF-Mount Lens/Full-Frame Format    Aperture Range: f/4 to f/22    Two Super Low Dispersion Elements    Three Aspherical Elements    Anti-Reflective Multi-Layer Lens Coating    SD-M AF Motor, Internal Focusing    One-Touch Focus Clutch Mechanism    Weather-Sealed Lens Mount    9-Blade Diaphragm

Wide-angle zoom is designed for full-frame Canon EF-mount cameras, however can also be used with APS-C models where it provides a 27.2-56mm equivalent focal length range.

Constant f/4 maximum aperture affords consistent brightness throughout the zoom range and suits working in available lighting conditions.

Three aspherical elements, including one glass-molded element and two P-MO aspherical elements, help control spherical aberrations and distortions for sharper, more accurate rendering.

Three SD (super-low dispersion) elements control color fringing and chromatic aberrations throughout the zoom range for greater clarity and color accuracy.

Anti-reflective multi-layer coated elements suppress flare and ghosting for improved contrast and color accuracy when working in strong lighting conditions.

Silent-Drive focusing Motor (SD-M) pairs with a GMR sensor and an internal focusing design to achieve fast, responsive, and precise performance.

One-Touch Focus Clutch Mechanism avails quick switching between autofocus and manual focus settings by either pushing or pulling the focus ring. When set to manual, focus response is especially smooth and benefitted by hard stops at the ends of the focusing range.

Weather-sealed lens mount suits working in inclement conditions and resists moisture ingress.

Nine-blade diaphragm contributes to a smooth bokeh quality.

Included lens hood blocks stray light from causing flare and also offers some physical protection the lens.

Related Questions and Answers

Q: 1. Does the electronic aperture control work with the BM Pocket 6k?

A: Yes, the electronic apertures can be driven using a BM pocket unit. Just keep in mind that the following BM unit is power hungry.

Q: 2. can i use this lens with mount adapter? i want to use it with canon R camera. (i have also non canon adapter )

A: Yes this lens can be used with a Canon EF-R adapter.

Q: 3. Will this work in Canon rp

A: No, the Tokina atx-i 17-35mm f/4 FF Lens for Canon EF is an EF mount lens, it can only be used with a Canon RP Mirrorless Camera with an adapter.

Q: 4. Does this lens work with Z cameras with a Nikon FZ lens adapter?

A: Yes, the Tokina atx-i 17-35mm f/4 FF will work so long as you have the Nikon FTZ II Mount Adapter.

Q: 5. Would this lens work for a Nikon F5?

A: Yes, the Nikon F5 is based on a F-Mount.

Q: 6. Has anyone used an EF mount version of this lens on Sony bodies with Sogma MC-11 adapter?

A: The lens works well with the Sigma MC-11 on a Sony body.

Q: 7. Is this compatible with the Canon EOS Rebel T7?

A: Yes, the Tokina atx-i 100mm f/2.8 FF Macro Lens for Canon EF is compatible with the Canon EOS Rebel T7.

Q: 8. Is this fully compatible with nikon d90?

A: yes, its fully compatible

Q: 9. Will this lens autofocus on the Z series with the FTZ adapter?

A: No , it will not auto focus

Q: 10. Is this lens parfocal?

A: No, the following lens is not a parfocal lens.