Used Canon EF 50mm f/1.4 USM Lens

Condition & contents

At a glance: Classic Canon 50mm f/1.4 fast normal prime - micro USM, metal mount, full-frame EF.

About this lens

The Canon EF 50mm f/1.4 USM is a classic fast normal prime, released in 1993 and in production for three decades. A popular step up from the 50mm f/1.8, it adds ring USM autofocus, a metal mount, and improved optics - a standard choice for portraits, events, and low-light general photography.

Build & handling

Works with

• Canon EF-mount full-frame DSLRs (5D series, 6D, 1D series)
• Canon EF-mount APS-C DSLRs (acts as ~80mm short portrait)
• Canon RF mirrorless via EF-EOS R adapter

Best for

A lightweight, fast normal prime that earns its place in many Canon photographers' kits. Useful for low-light, environmental portraits, and as a walk-around on full-frame, or a short portrait lens (80mm equivalent) on APS-C. Works on all Canon EF-mount bodies and on RF mirrorless via adapter.

Frequently asked questions

How does it compare to the 50mm f/1.8 STM?

The f/1.4 is roughly two-thirds of a stop brighter, has a metal mount, a longer and smoother manual-focus ring, and ring-type USM with full-time manual override. The f/1.8 STM is lighter, cheaper and focuses more quietly for video. Optically both are strong stopped down; the f/1.4 gives more subject separation wide open.

Will it work on a Canon RF mirrorless body?

Yes, via Canon's EF-EOS R adapter, with autofocus and aperture control fully retained.

What does it act like on an APS-C body?

The 1.6x crop makes it behave like an 80mm lens, which is a very useful short portrait length.

Will it work on Canon RF mirrorless bodies?

Yes, via the Canon EF-EOS R adapter. Autofocus and IS are preserved, and the lens functions normally on R, R5, R6, R7, R8, R50 and other RF bodies.