A:AnswerI don't have the t7i but i have the t6 and I also use the weebill s on the 90D, the 7t and the t6 are almost the same I don't think there will be any problem, I don't know anything about face tracking because I use the face recognition of the camera which works Excellent.
A:Answeryes, stay away from it. it will fail from you real quick. i had another friend who had it and it failed within 3 months. Spend your 300 bucks else where .
A:Answer1. Go to the product on the Best Buy website.
2. Click on Overview to expand.
3. Scroll down to where it says Specification Sheet and click on the link.
4. It will open a PDF that list a Camera Compatibility List.
You're welcome.
A:AnswerAny DSLR should be able to be stabilized on it. I would think most Canon DSLRs would work using the controls on the stabilizer. I can control my 90D and M6 Mk II with no problems.