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It seems that D-log M is worse dynamic range that Normal mode
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Jaesang Yoon
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It seems that in some cases, D-log M mode has a worse dynamic range than the Normal mode.
Anyone knows why?


3-19 04:33
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KlimaPic
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Do you have an example video you may show us?
3-19 04:34
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Steven_Yoon
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KlimaPic Posted at 3-19 04:34
Do you have an example video you may show us?

Sure! I added the video. Look at the highlight of the window
3-19 08:25
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DJI Tony
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Hi there. Thank you for reaching out. Let me forward this video to our related team to check. I will be back with an update. We appreciate your patience.
3-20 02:50
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DJI Tony
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Hi there! Thank you for waiting patiently. After checking with the relevant team, it has been determined that the color performance is within the normal range and there is no significant difference. However, we appreciate your feedback and we will make sure to submit it to the designated team for further handling. We will do our best to improve the color performance in the future. Thank you for your patience!
3-23 01:12
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Iancraig10
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Deleted...
3-23 10:16
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RayNY
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I think normal has built in HDR features similiar to an iphone.
3-24 04:57
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Steven_Yoon
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DJI Tony Posted at 3-23 01:12
Hi there! Thank you for waiting patiently. After checking with the relevant team, it has been determined that the color performance is within the normal range and there is no significant difference. However, we appreciate your feedback and we will make sure to submit it to the designated team for further handling. We will do our best to improve the color performance in the future. Thank you for your patience!

Thanks for your careful test. I have several similar cases like this which d log blows more highlight than normal mode. I think it is pretty different in some situations (which is not scientific, but you can see in the video above). Plus, many youtuber says that Pocket 3's normal mode works like hdr mode in contrast to log mode. I want to hear more information from you.
3-26 09:25
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Steven_Yoon
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RayNY Posted at 3-24 04:57
I think normal has built in HDR features similiar to an iphone.

I agree! Many youtuber address this.
3-26 09:26
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Montfrooij
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Have you done any post processing to the colors on either shot?
3-26 23:26
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DJI Tony
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Steven_Yoon Posted at 3-26 09:25
Thanks for your careful test. I have several similar cases like this which d log blows more highlight than normal mode. I think it is pretty different in some situations (which is not scientific, but you can see in the video above). Plus, many youtuber says that Pocket 3's normal mode works like hdr mode in contrast to log mode. I want to hear more information from you.

Hi there. The dynamic range is impacted by various factors. In the case of Osmo Pocket 3, the maximum attainable dynamic range is 12.7 stops. Due to differences in shooting settings and scenes, the actual dynamic range of footage may vary, making it impossible to provide specific dynamic ranges for Normal, D-Log M, and HLG modes. Have a nice day.
3-27 01:48
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Dave_bass5
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Not sure if this is relevant, but one thing to note is that when you shoot log you don’t use the lowest ISO to get the best DR.  Log is designed to get the best dynamic range from a certain ISO upwards.
3-28 15:40
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RayNY
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Dave_bass5 Posted at 3-28 15:40
Not sure if this is relevant, but one thing to note is that when you shoot log you don’t use the lowest ISO to get the best DR.  Log is designed to get the best dynamic range from a certain ISO upwards.

So what is that iso for the P3?
3-28 16:27
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geo.
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RayNY Posted at 3-24 04:57
I think normal has built in HDR features similiar to an iphone.

In my experience so far, Normal really does a great job of optimizing.

HLG is quite nice since in most editors a color transform can be performed within the NLE to an intermediate wide working color format which opens up a much larger color space for grading with an eventual second transform to Rec 709.

Until D-Log M specs are eventually revealed color transform is not possible in editors. The current LUT from D-Log M to 709 reduces the color space and any grading after that is constrained.

Hopefully we'll see a D-Log M space spec so color transform can be developed with in editors like Di Vinci and FCP can give us access to the benefits of 10 bit color for D-Log M.

Best
3-30 15:00
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RayNY
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geo. Posted at 3-30 15:00
In my experience so far, Normal really does a great job of optimizing.

HLG is quite nice since in most editors a color transform can be performed within the NLE to an intermediate wide working color format which opens up a much larger color space for grading with an eventual second transform to Rec 709.

I use D-log M and transform it myself in Resolve.  Don't use the DJI Lut - it's not very good.  Crushes all your blacks.
3-31 11:55
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geo.
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RayNY Posted at 3-31 11:55
I use D-log M and transform it myself in Resolve.  Don't use the DJI Lut - it's not very good.  Crushes all your blacks.

I agree about the LUT. I've been suing HLG with transforms on both ends so a grade can go any where once done but that's just a preference. If you do a custom grade on D-Log M, it can look great.
3-31 15:21
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SimonMW
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The current LUT from D-Log M to 709 reduces the color space and any grading after that is constrained.


Use the LUT at the end of your node tree, not at the beginning.
4-5 23:24
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Steven_Yoon
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SimonMW Posted at 4-5 23:24
Use the LUT at the end of your node tree, not at the beginning.

I brought the footage to FCP and applied DJI LUT directly. Other than that, nothing else has changed.
4-19 20:24
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Karl53
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With the DJI Pocket 3, a comparison was made between the "Normal" and "D-Log" colour settings.
In my opinion, the "Normal" colour offers a better dynamic range.


4-23 12:20
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Steven_Yoon
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I enjoyed your video. I seems much more flat and less contrast in log mode, as usual. I'm curious whether log mode has more blown out area than normal mode.
4-23 23:49
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