# 📷 What is the autofocus performance like on the Canon RF 50mm f/1.2L USM lens?

*Published: 2024-08-28 | Updated: 2024-10-06 | Source: https://shopsavvy.com/answers/what-is-the-autofocus-performance-like-on-the-canon-rf-50mm-f1.2l-usm-lens*

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## Product: Canon RF 50mm f/1.2L Lens
**Brand:** Canon

The autofocus on the Canon RF 50mm f/1.2L USM lens is pretty impressive. It's fast and reliable, which is what many photographers are looking for. The lens is made for Canon's RF-mount cameras, like those in the [EOS R series](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DEOS%2BR%2Bseries%26tag%3Dssw.ans.tx-1-20), and really takes advantage of Canon's mirrorless tech. This makes it stand out compared to the older [EF lenses](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DEF%2Blenses%26tag%3Dssw.ans.tx-1-20).

The manufacturer talks up the lens's f/1.2 aperture as a big deal, and for a good reason. It not only helps with shallow depth of field and creating beautiful bokeh, but it also boosts focus performance in low-light settings. From our research, the Ultrasonic Motor (USM) in the lens means you get quick and quiet autofocus — super handy for things like portrait shots or weddings where you need to be subtle and precise.

Technically speaking, this wide aperture really lets the autofocus shine, especially in dim lighting, which has gotten it a lot of praise. Our findings show that the autofocus performance is definitely up to the professional standards you’d expect from [Canon’s top-notch L-series lenses](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DCanon%2BL-series%2Blenses%26tag%3Dssw.ans.tx-1-20).

If you're eyeing the newer versions of this lens because they're more budget-friendly, be careful about where you're buying it from. Some folks have had trouble with the lens's condition from third-party sellers, including issues with packaging and quality when it arrives. So, it's a good idea to stick with official or well-known retailers to make sure you get a brand-new lens with reliable support.

So, if autofocus is one of your main concerns, this Canon lens is a solid pick. The RF mount tech, Ultrasonic Motor, and wide aperture all combine to deliver great performance across different shooting situations. Just remember to buy from a trusted source, especially if you're looking at renewed models, to avoid any quality hiccups.

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| TriStateCamera.com | $1818.99  | Check |

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*Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from thousands of retailers, and analysis of user reviews to give you a well-rounded picture.*