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EF 50mm 1.4 video servo focus

Started Jan 26, 2020 | Questions
Emil_z New Member • Posts: 3
EF 50mm 1.4 video servo focus

Anyone has experience with the 50 1.4 at video servo mode? With my lens the servo focus is not smooth. But in one shot mode I think it's fine, fast and accurate.

Thanks.

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Aoi Usagi Veteran Member • Posts: 3,221
Re: EF 50mm 1.4 video servo focus
3

The EF 50mm F1.4 lens wasn't really meant for video use.  Although it is a "USM" autofocus lens, its a motor and gear driven autofocus system and will not be as smooth, accurate or quite as worm drive STM or Nano STM lenses when it comes to video.

Microprism Contributing Member • Posts: 865
Re: EF 50mm 1.4 video servo focus

Emil_z wrote:

Anyone has experience with the 50 1.4 at video servo mode? With my lens the servo focus is not smooth. But in one shot mode I think it's fine, fast and accurate.

Thanks.

The AF is pretty smooth with a C100, but the lens clearly breathes.

 Microprism's gear list:Microprism's gear list
Canon EOS 5D Canon EOS 7D Canon EOS M6 Canon EOS M6 II Canon EF 50mm F1.4 USM +22 more
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