A:AnswerYes, your T6 can use EF lenses. This will fit. However, you will want to research the difference between crop sensors and full frame. The actual focal length on a T6 will be 27-67mm.
A:AnswerYes this will work and shoot with a Canon T Series Cameras. Its an EF-Mount lens so it work on Canons with EF-mounting capabilities. I've used it on a Canon 60D and a Sony a7ii with Metabone Mount. This is a very good lens and a good entry level lens into Photography.
A:AnswerYes. The 30D is APS-C so the lens will function like a 27.2-64mm instead of 17-40mm on a full-frame camera. I used it on my 30D for several years and loved it. Perfect all-around lens at 27-64mm.
A:AnswerAccording to the Canon Rebel T1Y support sight, EF lense compatible hardware. Just to be sure you might consider taking in your rebel to the store. Happy shoping
Compatible Lenses - Canon EF lenses including EF-S lenses (35mm-equivalent focal length is approx. 1.6x the lens focal length)
Lens Mount - Canon EF mount
A:AnswerAs an EF, it will work on both a crop sensor t6i, as well as a full frame. Its the EF-S that can only be used on crop sensors. On a full frame the 17-40 is the true size. On the crop sensor, it would be like have a lens 1.6 times the size.
A:AnswerHi Cisco.
I don't know if you are talking about the "Canon PowerShot G7 X Mark II" if you have that camera the answer is NO. This lens is intended to be used on DSLR that you can switch the lenses. Hope that the answer helps.
A:AnswerYes, this lens requires a camera body with an EF Mount. Your model is compatible. Your body will also accept lenses with an EF-S mount which is specific to crop sensor bodies such as the Rebel XS.