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Nov 3, 2019 · Similar to the other films in the set, Ringu 0 offers a 2.0 PCM stereo surround presentation along with a remixed DTS-HD MA 5.1 surround presentation. Both are fine, delivering the right amount of mood and atmosphere that makes its way through the environment effectively, though the 5.1 track directs the audio a bit better through the rears ...
Compared to my big, beloved EF 100-400mm f/4.5-5.6L IS II, this RF 100-400 is just as spectacularly sharp and focuses as blindingly fast, and the RF lens is less than half the weight (635g versus 1,550g) and less than one-third the price ($649 versus $2,399)!
Nov 10, 2011 · USM uses Ultrasonic wave to move the lens quicker to achieve more precise focusing. Unlike the traditional old fashion magnetic lens, USM is quieter and less friction during the lens movement, thus it does not waste energy/battery by creating human audible noise. Nov 24, 2016 at 1:06. Add a comment.
The Canon ultrasonic USM technology is recognized for its quick, precise, and quiet autofocus operation. This makes USM lenses particularly suitable for photography and videography where speed, accuracy, and low noise are essential.
Feb 12, 2024 · The Canon RF 200-800mm f/6.3-9 IS USM is the reigning superzoom champion in terms of focal range and is impressively lightweight and compact for its reach. However, its mediocre maximum aperture does limit its usefulness in low-light performance.
- Reviews Editor
- gareth.bevan@futurenet.com
The RF 100-400mm f/5.6-8 IS USM is a lens many owners of Canon’s EOS R cameras have been waiting for. Although not particularly fast, it has a winning combination of light weight, easy handling, sharp focusing and a competitive price tag.
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Nov 23, 2021 · The RF 100-400mm joins a powerful yet easily manageable pair of RF 600mm F11 IS STM and RF 800mm F11 IS STM primes, along with the more pro-spec Canon RF 100-500mm f/4.5-7.1 IS USM zoom lens.