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Asmundma

GH5 focus excellence

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I shot a test myself this morning with the Sigma 16mm f/1.4 at f/2.2, custom AF settings at +1, +3, 29.97p, 179 degree shutter angle and face detect AF. It’s pretty hit or miss. I wouldn’t rely on it for critical work. Maybe works better with Panny lenses. Or shoot several takes and pray. Certainly you’d want to double check focus with an external monitor. 

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19 minutes ago, jonpais said:

I shot a test myself this morning with the Sigma 16mm f/1.4 at f/2.2, custom AF settings at +1, +3, 29.97p, 179 degree shutter angle and face detect AF. It’s pretty hit or miss. I wouldn’t rely on it for critical work. Maybe works better with Panny lenses. Or shoot several takes and pray. Certainly you’d want to double check focus with an external monitor. 

Metabones, I suppose?

What about native lenses? Or then the Viltrox adapter.

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Here's the setting route (from the description of the video above-posted as source for this simple transcription):

 

Steps to Enable better AF on GH5/GH5s

 

a. Enable camera to use Shutter Angle instead of Shutter Speed

Menu - Creative Video - SS/Gain Operation (7th) - Angle/ISO

 

b. Enable Synchro Scan

Menu - Creative Video - Synchro Scan (5th) - ON

 

c. Enable Continuous AF

Menu - Motion Picture - Continuous AF (5th) - ON

 

d. Set the Shutter angle using the back dial of the camera to 179

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On 2/15/2018 at 12:55 AM, jonpais said:

I shot a test myself this morning with the Sigma 16mm f/1.4 at f/2.2, custom AF settings at +1, +3, 29.97p, 179 degree shutter angle and face detect AF. It’s pretty hit or miss. I wouldn’t rely on it for critical work. Maybe works better with Panny lenses. Or shoot several takes and pray. Certainly you’d want to double check focus with an external monitor. 

I've really appreciated your YouTube reviews of the sigma 16mm Jon. Can you or anyone else post footage from the Panasonic 15mm for comparison? I want so badly to get the benefit of the panny's small size (and perhaps better autofocus). However if the Panasonic is significantly lower quality it's not worth it. 

 

Also does anyone know if the in body barrel distortion Panasonic cameras use gets applied to video or is it just stills?

Many thanks for the help.

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33 minutes ago, Nathan Gabriel said:

I've really appreciated your YouTube reviews of the sigma 16mm Jon. Can you or anyone else post footage from the Panasonic 15mm for comparison? I want so badly to get the benefit of the panny's small size (and perhaps better autofocus). However if the Panasonic is significantly lower quality it's not worth it. 

 

Also does anyone know if the in body barrel distortion Panasonic cameras use gets applied to video or is it just stills?

Many thanks for the help.

Thanks, Nathan. Unfortunately, I don’t have the Panasonic for comparison.

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