The Canon EF 70–300 mm f/4–5.6 IS II USM, presented in September 2016, is an official successor of the EF 70–300 mm f/4–5.6 IS USM model, launched in 2005. The new lens's optical construction is more complex than that of its predecessor; it also features a bigger filter diameter, a better autofocus,...

Very good image quality in the frame centre; Good image quality on the edge of the APS-C sensor apart from the 70 mm focal length; Slight longitudinal chromatic aberration; Low lateral chromatic aberration; Lack of any serious distortion problems; Low astigmatism; Not bothersome coma; Moderate...

Weak image quality on the edge of the frame at 70 mm; Average performance against bright light; A bit too high vignetting level on full frame

I wish I could give the lens 5 stars, unfortunately there was a quality control issue with Canon on the EF 70-300 II IS, there is an internal metallic flake that you can see when the zoom is retracted. I will be returning this lens for a third time, all previous lens have the same issue.

"I just bought this lens yesterday and haven't been able to play with it much, but last night I took some pictures of a near full moon without a tripod. When I framed the moon in the lens I could see a lot of movement and shake since I did not support the camera.

Took delivery of this lens today and after a couple of hours wandering along the local canal these are my initial thoughts. Good bits: On my 760D, AF is blisteringly fast and really accurate even in poor light. Much, much faster than the old version and probably faster than my L lenses!

Consistent Output; Easily Interchangeable; Lightweight; Quick Focus; Sharp Focus

Focus By Wire Mf

The Canon EF 70-300mm f/4-5.6 IS II USM is a mid-range telephoto zoom lens for Canon's DSLR cameras, incorporating both optical image stabilisation and a new, fast and silent Nano USM motor for autofocus.

Fast autofocus; Up-rated image stabilisation; Build quality; Offers great balance between portability and image quality

Hood costs £75 extra; Lacks a weather seal around lens mount; Highlights can look hard-edged towards the long end of the zoom

With a "II" in the product name, it is only logical that a version "I" of this lens existed and in this case, that lens is the Canon EF 70-300mm f/4-5.6 IS USM Lens . Interesting is that the version "I" lens was itself a replacement of a very similar lens, the Canon EF 75-300mm f/4-5.6 IS USM Lens...