totleytom

Might also be good for plane spotters, both just to watch and to take an image. Much smaller than good binoculars or a conventional monocular, and of course much cheaper than stabilised versions of...

I originally used it on a 750D (T6i?), but when I got the 90D last year I found an unexpected problem, which a number of people were finding with Sigma lenses on that camera. They were under ...

No, I’ve never seen anything like that. Was the camera on a tripod? I recall that Canon used to say that IS lenses should have this turned off when the the camera was on a tripod, and I think I’ve ...

I thought I’d mention that I’m using this as my main walk-around lens on a 90D, and my copy is producing good results with this higher-resolution APS-C body. It’s acceptably-sharp, for me, and ...

The 17-70 Contemporary is also a Sigma lens, not Tamron. I have one, and I’m happy with it. I’ve never used any of the 17-50 lenses, from Canon or anyone else, so I have no comparison. I do feel,...

I had one, but in the end found it unsatisfactory - I found that it wasn’t consistent. I replaced it with a lens Chris mentioned, the Sigma 17-70 Contemporary, and my experience with that lens has...