has a silent focus motor built into the lens. Canon EF 24-105mm F/4L IS USM. Canon EF 50mm F/1.4 USM. Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus motor. minimum focus distance.
The 28-135 is also 1/3 stop wider at 35mm than the 28-105, but by 105mm the difference is 2/3 stops the other way. Both of these lenses are a bit better at f/5.6-f8 than at maximum aperture. I would say copy-to-copy variation might be more of an overall factor for you, considering the age of your 28-105. This isn't one of the Canon lenses I have used but a review states at the wide angle setting you lose about 1EV in the corners wide open decreasing to around 1/2EV as the focal length is increased. Like most other lenses, the vignetting decreases as the aperture is narrowed. EOS 1DX M3, 1DX M2, 1DX, 5DS R, M6 Mark II, 1D M2, EOS 650 (film The EF 24 - 105 mm f/4L IS II USM’s wide range of focal lengths is just as useful for video as it is for stills. Shoot close-ups, interviews and establishing shots without swapping lenses. Ring-type USM AF enables near-silent, low-speed driving for professional-looking focus transitions and smooth continuous tracking of moving objects.I traded in my old Canon F-1 "film" gear and purchased a Canon 30D with EF-S, 17-85mm, F/4.-5.6, IS, USM lens. After a while I felt I needed a faster lens with better and more durable quality. I purchased the 24-105mm F/4L and never looked back. It is the best all-around lens I have ever shot with.
canon ef 24 105 f4 is usm
