This is a full-frame lens, but will also work with Canon APS-C crop sensor cameras such as the 90D etc. on which the equivalent focal length is extended to 112-320mm. It also works well with Canon mirrorless cameras such as the R, R5, R6, R7, R8, R10 etc. using a EF-RF adapter.
The lens can easily be used at its constant maximum aperture of f/4, as the image quality is still good wide open. As it is a telephoto lens, it is still possible to get beautiful bokeh (smooth blurred backgrounds).
The lens has image stabilisation equivalent to 4 stops (CIPA Standards). This is equivalent to using 1/12 sec at 200mm.
The lens has It has smooth and fast autofocus and the rubberised focus and zoom rings are smooth and precise in operation. The lens uses internal zooming and focussing, so it maintains a constant length. It is a delight to use as you can zoom quickly with one finger. The lens uses 67mm filters.
The 70-200mm focal length is perfect for portraits, sports, wildlife and landscape photography.
This lens is a great choice for any photography enthusiast looking for a high-quality lens.