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TOPIC: Zoom, and preserve cropping

Zoom, and preserve cropping 09 Mar 2019 21:43 #99228

  • Neguah
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I have a 4096x2160 clip which I want to zoom. But when I do, the letterbox disappear. So, I want to zoom inside this natural crop. How do I do it?
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Zoom, and preserve cropping 10 Mar 2019 02:04 #99230

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What is the frame size of your project?
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Zoom, and preserve cropping 10 Mar 2019 09:43 #99232

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FCPX.guru wrote:
What is the frame size of your project?
It's 3840x2160.
Should I change it, and add a manual crop?
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Zoom, and preserve cropping 10 Mar 2019 10:16 #99234

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If you want to zoom in on clips, edit in a 1080 timeline with your 4K clips. That way you don't lose visual quality.

As for losing letterbox, your clip is not filling the full frame if you see letterbox, that disappears when you enlarge. You're using a different aspect ratio in your timeline, than your original clips.
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Zoom, and preserve cropping 10 Mar 2019 20:29 #99235

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Thanks! So it doesn't matter if I edit 4K in 1080 timeline? I don't lose any quality when sharing the project in 1080?
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Zoom, and preserve cropping 11 Mar 2019 03:36 #99239

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In some cases you might see a bit of softening, and you are reducing a large number of pixels by exporting in 1080 - but having said that, it is still a decent workflow and the result will be pretty good. There is much more info on this forum about 4K clips in a 1080 timeline if you care to search.

The reason you are seeing letterbox is because your project is UHD 4K 3840 x 2160 which has a 16:9 aspect and the clip is DCI 4K 4096 x 2160 which is 256 pixels wider. In a 1080 timeline you can set the spatial conform to none and have a lot of room to scale, crop and zoom to fill the frame while keeping full quality of the 4K clip (theoretically).
Creating history....one edit at a time !
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Zoom, and preserve cropping 11 Mar 2019 11:18 #99241

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If you want to zoom the clip and still have a letterbox effect, you should add an adjustment layer and apply the letterbox effect to this adjustment layer. This way the letterbox is unaffected by the zooming and will persist throughout your timeline if you so desire.
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