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focus to infinity - when?
188 7 1-21 09:14
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Kamyk
Second Officer
Poland
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Hello,

I have a question regarding to DJI Phantom 4 Pro v2.0.


1) When do you set focus to infinity? In what condition?
2) What is the minimal distance when setting focus to infinity is a good choice?

3) When shouldn`t I set focus to infinity?
4) Do you set focus to infinity when you fly nightly?

Regards
Marcin


1-21 09:14
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Manu P4P Paris
lvl.4
Flight distance : 100761 ft

Italy
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find a Depth of Field Calculator or an article about it to understand better photography..but in short, on the picture you can follow the 24mm column (P4P camera) and cross the focal, after it, you can set to infinity
1-21 10:20
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Manu P4P Paris
lvl.4
Flight distance : 100761 ft

Italy
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find a Depth of Field Calculator or an article about it to understand better photography..but in short, on the picture you can follow the 24mm column (P4P camera) and cross the focal, result number is the minimum distance from the  object where you can set to infinity
Screenshot 2020-01-21 at 7.15.39 PM.png
1-21 10:21
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Kamyk
Second Officer
Poland
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Thank you Manu P4P Paris for your help.
1-21 11:40
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Manu P4P Paris
lvl.4
Flight distance : 100761 ft

Italy
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you're welcome...deep of field is mainly used in photography because you can change lenses and you are often close to the subject..but a drone it'll always be far from everything due the height so set infinity focus is 99% the better option..
1-22 12:36
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Anokadrone
First Officer
Flight distance : 39980 ft

United States
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Manu P4P Paris Posted at 1-22 12:36
you're welcome...deep of field is mainly used in photography because you can change lenses and you are often close to the subject..but a drone it'll always be far from everything due the height so set infinity focus is 99% the better option..

Agreed, 99.9% of the time it should just be at infinity.  According to the chart, 21 feet at the widest f-stop is the longest minimum distance.  
1-23 08:21
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Manu P4P Paris
lvl.4
Flight distance : 100761 ft

Italy
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also, a greater f will increase the deep of field effect..
1-23 14:19
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Archangel3356
Second Officer
Flight distance : 4655896 ft
United States
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Manu P4P Paris Posted at 1-21 10:21
find a Depth of Field Calculator or an article about it to understand better photography..but in short, on the picture you can follow the 24mm column (P4P camera) and cross the focal, result number is the minimum distance from the  object where you can set to infinity

Thanks for sharing Manu,  Nice chart to keep around.
1-25 06:31
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