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Related Questions and Answers

Q: 1. Is this lens good for indoor sports like basketball?

A: This is not a long range lens; I would not use it for basketball because I'd want to zoom in closer.

Q: 2. Do I need a mount adaptor for the EF 7-40mm to be used with Canon RP? Would it make the lens 17-40 longer and bulker?

A: The excellent Canon 17-40mm (I have had one for years) is made for cameras with a mirror box. It must have that same distance on any camera otherwise it will not be able to focus to infinity. So if you chop off the mirror, in order to maintain that distance, you have to add it back in the form of an adapter. The advantage is you get use your present lenses. The disadvantage is you do add bulk to the camera/lens combination. However, when you can, sell the 17-40mm and get a native R mount lens.

Q: 3. Does it have IS? Want to find good lens for BMPCC

A: Unfortunately, the Canon EF 17-40mm f/4 USM is not image-stabilized.

Q: 4. Can you dial in color temp of model light for video, or is it a guess?

A: As per Profoto, you can adjust the color temperature of the modeling lamp as needed either in free or proportional modes.

Q: 5. Would this lens work with a Canon EOS Rebel XTi?

A: It works perfectly with XTi - I used to have it and liked much better even than Canon EF 24-105mm f/4 L. In my opinion EF-S 17-55 f/2.8 is the best Canon zoom lens for the cropped bodies. Enjoy!

Q: 6. is it compatible with canon 550D?

A: Yes

Q: 7. is it made in JAPAN ?

A: According to the box mine came in, it was made in Taiwan.

Q: 8. The lens efs 17-85 fits on canon 6D mark II

A: No it will not. EF-S lenses don't fit on Full Frame/EF bodies.

Q: 9. Does it support HSS. If so how do I switch it on?

A: High-Speed Sync (Hi-S) with Profoto remotes High-Speed Sync (Hi-S) requires no additional setup on the B10X/ B10X Plus, once the Air channel and group setup is done. High-Speed Sync is activated on your remote or camera. When High-Speed Sync is activated by the remote, the Hi-S indicator temporarily appears on the menu display

Q: 10. can I use it with the C100 mark II ?

A: EF lens mount, so yes.