Lens suggestion for fixing Cannon Kit Lens Cannon Zoom EF-S 18-55mm 1:4-5.6 IS STM.

Started 4 months ago | Questions thread
Michael Fryd
Michael Fryd Forum Pro • Posts: 14,230
Re: Lens suggestion for fixing Cannon Kit Lens Cannon Zoom EF-S 18-55mm 1:4-5.6 IS STM.

ssppss wrote:

A general question for the experts: Is the EF-S 18-55 mm f:4-5.6 IS STM lens the latest Kit lens? Is there a newer Kit lens?

You can get a factory refurbished EF-S 18-55 mm f:4-5.6 IS STM with a one year warranty from Canon USA for about $200. This is the latest version of the EF-S 18-55 lens. Previous versions were f/3.5-5.6

...How do I understand the appellation NanoUSM versus just USM and STM?

Which one is better and which one is the latest?

These terms refer to the mechanics of the autofocus system.  Nano USM and STM work well for video as well as stills.  They are quieter and designed for tracking focus as the subjects move.

As a general rule:

  • USM (Ultra Sonic Motor) is better then no indication.
  • STM (STepper Motor) is better than USM.
  • Nano USM is better than STM.

Note that this doesn't refer to the quality of the image, but to the speed and operation of the focus motor.

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