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1. photo.stackexchange.com › questions › 74876What is Nano USM and how does it compare to an STM or USM lens?

   photo.stackexchange.com › questions › 74876

   Feb 19, 2016 · Canon's Nano USM focusing motors have so far been used in the EF 18-135mm f/3.5-5.6 IS USM and EF 70-300mm f/4-5.6 IS II USM lenses. It is a type of AF motor that, like Ring USM, uses micro-piezo vibrations to move the lens focus elements.

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3. www.criterionforum.org › Review › ringu-0-arrowRingu 0 Review - Criterion Forum

   www.criterionforum.org › Review › ringu-0-arrow

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   Nov 3, 2019 · Ringu 0. Blu-ray edition reviewed by Chris Galloway. November 03 2019. BUY AT: See more details, packaging, or compare. Synopsis. Discover the horrifying truth behind Ringu 's viral video in this spine-tingling origin story.

4. shotkit.com › canon-usm-lensWhat Is a Canon USM Lens (+ Do You Need One?) - Shotkit

   shotkit.com › canon-usm-lens

   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.

5. www.digitalcameraworld.com › reviews › canon-rf-200Canon RF 200-800mm f/6.3-9 IS USM review: all hail the new ...

   www.digitalcameraworld.com › reviews › canon-rf-200

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   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.

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6. www.dpreview.com › forums › postRe: Ring vs. Micro USM and list of lenses:: Canon SLR Lens ...

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   Sep 19, 2006 · Ring USM also has another advantage - full-time manual focussing or FTM in which, once auto-focus has completed, the lens focus can be "touched up" using the manual focus ring without having to switch the lens from AF to MF.

7. www.the-digital-picture.com › Reviews › Canon-EF-SCanon EF-S 18-135mm f/3.5-5.6 IS USM Lens Review

   www.the-digital-picture.com › Reviews › Canon-EF-S

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   The EF-S 18-135mm f/3.5-5.6 IS USM Lens is attractive on many fronts, including its wide (7.5x) focal length range, its relatively small size and light weight, its fast, smooth and accurate autofocusing, its great functionality including image stabilization and its modest price.

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   What is a USM lens?

   • USM stands for Ultra Sonic Motor. USM refers to a type of autofocus motor used in some lenses produced by Canon. 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.

   What Is a Canon USM Lens (+ Do You Need One?) - Shotkit

   shotkit.com/canon-usm-lens/

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   Which USM lens should I buy?

   • Nano Ring USM is the USM version's primary advantage and modestly lower price is the STM's advantage. For those looking for a long focal length range, the Canon EF-S 18-200mm f/3.5-5.6 IS Lens will be another consideration. The 200mm long end of that range is noticeably longer than 135mm.

   Canon EF-S 18-135mm f/3.5-5.6 IS USM Lens Review - The-Digital-Pictu…

   www.the-digital-picture.com/Reviews/Canon-EF-S-18-135mm-f-3.5-5.6-IS-USM-Lens.aspx

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   Which Canon lenses have USM technology?

   • The first lens to feature this technology was the EF 300mm f/2.8L USM, introduced in 1987. Since then, Canon has produced a range of lenses featuring USM technology, including both their premium ‘L’ series lenses and more affordable options.

   What Is a Canon USM Lens (+ Do You Need One?) - Shotkit

   shotkit.com/canon-usm-lens/

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   Which lens is better STM or USM?

   • The “better” option depends on your needs. STM lenses are typically better for video due to their silent and smooth focus, while USM lenses are often better for still photography due to their speed and precision. Canon IS vs USM Lens: What’s the Difference?

   What Is a Canon USM Lens (+ Do You Need One?) - Shotkit

   shotkit.com/canon-usm-lens/

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   What is a manual focus ring?

   • The manual focus ring electronically controls the focus of the lens. FTM (Full Time Manual) focusing is supported in AF mode with the camera in One Shot Drive Mode, but the shutter release must be half-pressed for the focus ring to become active.

   Canon EF-S 18-135mm f/3.5-5.6 IS USM Lens Review - The-Digital-Pictu…

   www.the-digital-picture.com/Reviews/Canon-EF-S-18-135mm-f-3.5-5.6-IS-USM-Lens.aspx

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   Why should you buy a USM lens?

   • This makes them a good choice for situations where noise can be disruptive, such as during video recording or in quiet environments. Precision: The USM motor offers precise control over the lens elements, allowing for very accurate focusing. This can result in sharper images.

   What Is a Canon USM Lens (+ Do You Need One?) - Shotkit

   shotkit.com/canon-usm-lens/

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9. www.kenrockwell.com › canon › lensesCanon 18-135mm USM Review - KenRockwell.com

   www.kenrockwell.com › canon › lenses

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   Jan 19, 2018 · This 18-135mm Nano USM lens is magnificent, with instantaneous autofocus, ultra-close macro focussing and great optical performance covering an ideal do-everything zoom range. This could be the only lens you need for everything for your Canon APS-C camera.