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Mavic Air 2 Picture Quality Problems - Looks like Painting?
814 29 2020-10-16
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davemire
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Hello,

So I have a brand new Mavic Air 2 and have been doing some testing of stills and video. However, I have noticed something I have never seen before - the pictures look like an oil painting or something. This is noted in good lighting in the RAW or JPG files. Have a look at the image. This doesn't look right to me at all. See attachment. This is a RAW file at 100% zoom from photoshop. Of course quality is a bit lower due to upload size restrictions.

Appreciate any thoughts/help!




Camera.jpg
2020-10-16
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StefanOtte
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I experience the same issue, but haven't found a solution either ☹️
2020-10-16
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GaryDoug
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What were the camera settings?
2020-10-16
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davemire
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GaryDoug Posted at 10-16 14:24
What were the camera settings?

It was single shot 48MP with HDR I believe. Seems to happen on nearly every image I take. I have attached the properties of the photo as well.
Capture.JPG
2020-10-16
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Electromen
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Is the drone moving or stationary?
2020-10-16
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M Stuart K
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davemire Posted at 10-16 14:50
It was single shot 48MP with HDR I believe. Seems to happen on nearly every image I take. I have attached the properties of the photo as well.

On the mavic air 2, I find the 48 meg option to be sort of a gimmick.  I usually just take my photos from my video feeds or if I know I need great photos I just use my M2P.  
2020-10-16
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djiuser_rYismxYqwjqC
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Electromen Posted at 10-16 15:15
Is the drone moving or stationary?

Stationary
2020-10-16
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djiuser_rYismxYqwjqC
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M Stuart K Posted at 10-16 15:17
On the mavic air 2, I find the 48 meg option to be sort of a gimmick.  I usually just take my photos from my video feeds or if I know I need great photos I just use my M2P.

Interesting feedback. On closer inspection looking at all the photos I have taken. This oddity only seems to appear on single 48MP pictures. Panorama, or 12MP don't have this effect. 4K video also doesn't show this.
I also downloaded a DNG file from a site that reviewed the Air 2 and had a look and I see the same problem. So perhaps it's a "feature" lol.
2020-10-16
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Labroides
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How does the image look when you've got a subject with hard detail and good light, rather than a million leaves ?
Shoot a sample shot of a house or something like that.
2020-10-16
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fans89767230
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Labroides Posted at 10-16 15:50
How does the image look when you've got a subject with hard detail and good light, rather than a million leaves ?
Shoot a sample shot of a house or something like that.

I had wondered that as well. I am going to give that a shot
2020-10-16
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davemire
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M Stuart K Posted at 10-16 15:17
On the mavic air 2, I find the 48 meg option to be sort of a gimmick.  I usually just take my photos from my video feeds or if I know I need great photos I just use my M2P.

Interesting feedback. On closer inspection looking at all the photos I have taken. This oddity only seems to appear on single 48MP pictures. Panorama, or 12MP don't have this effect. 4K video also doesn't show this.
I also downloaded a DNG file from a site that reviewed the Air 2 and had a look and I see the same problem. So perhaps it's a "feature" lol.
2020-10-16
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GaryDoug
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I am no photobug myself so take my questions with a grain of salt. But the numbers don't seem to add up for the exposure, they seem to indicate a faster shutter speed than actual for the lighting and ISO. Are you using manual exposure settings? I think they "stick" for the mode selected and you may not have noticed.
2020-10-16
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Electromen
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A quick experiment, I set the MA2 on a table and photographed my wife at 48MP and normal.  Zooming in on the computer, the Normal photos are sharper and show more detail.
2020-10-16
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davemire
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GaryDoug Posted at 10-16 18:36
I am no photobug myself so take my questions with a grain of salt. But the numbers don't seem to add up for the exposure, they seem to indicate a faster shutter speed than actual for the lighting and ISO. Are you using manual exposure settings? I think they "stick" for the mode selected and you may not have noticed.

You're correct, I accidentally pulled the wrong picture settings capture.
2020-10-16
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davemire
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Electromen Posted at 10-16 19:04
A quick experiment, I set the MA2 on a table and photographed my wife at 48MP and normal.  Zooming in on the computer, the Normal photos are sharper and show more detail.

I appreciate you doing the test and sending your results. I am going to do a few tests when I get a chance to get up in the air again and take the same photo multiple ways to see the results.
2020-10-16
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HitrackAP
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Looks like theres some kind of in camera noise reduction going on here.
2020-10-17
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A J
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I believe the quad bayer sensor splits each of the MP's into 4 and that is how the 48mp's are achieved as the sensor is actually 12mp. By doing that each pixel is only 25% of the original pixel rather than 4x the size. I find the 48mp shots work more effectively in brighter light and without cropping in post.
2020-10-17
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wamuBugMe
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A J Posted at 10-17 10:42
I believe the quad bayer sensor splits each of the MP's into 4 and that is how the 48mp's are achieved as the sensor is actually 12mp. By doing that each pixel is only 25% of the original pixel rather than 4x the size. I find the 48mp shots work more effectively in brighter light and without cropping in post.
Actually, there really are 48 megapixels, not 12. The red, green, and blue filters (Bayer matrix) above the pixels are just laid out differently. You can argue about how effective it is, but you can't argue that there aren't 48 million individual pixels.

https://www.nextpit.com/48-mp-or-not-look-at-sony-new-camera-sensor

Here is an article that describes how the quad Bayer sensor can be used to pull off tricks like single-shot HDR.

https://m.gsmarena.com/explaining_huawei_p20_pros_triple_camera-news-30497.php
2020-10-17
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A J
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wamuBugMe Posted at 10-17 11:30
Actually, there really are 48 megapixels, not 12. The red, green, and blue filters (Bayer matrix) above the pixels are just laid out differently. You can argue about how effective it is, but you can't argue that there aren't 48 million photosites.

https://www.nextpit.com/48-mp-or-not-look-at-sony-new-camera-sensor

It's a 12mp sensor - the quad bayer puts four colour points behind each photo site ergo 4 x 12 = 48. So yes, there are 48mp's (which I actually stated in the first place) when that mode is selected but it is not a 48mp sensor.
2020-10-17
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wamuBugMe
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Pixels are not "split", there are 48 million pixels. Did you read the article?
2020-10-17
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wamuBugMe
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Quote from article "By shrinking down the size of individuals photo pixels to just 0.8 microns, Sony’s IMX586 is able to cram 48-MP onto a single 8mm diagonal sensor..."
2020-10-17
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A J
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2020-10-17
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wamuBugMe
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A J Posted at 10-17 11:42
[view_image]

Yes, that is a picture of 16 of the 48 million pixels present on the sensor.
2020-10-17
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A J
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wamuBugMe Posted at 10-17 11:47
Yes, that is a picture of 16 of the 48 million pixels present on the sensor.

You're getting there!
2020-10-17
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wamuBugMe
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And you're not. You're arguing opinion against fact. I'm done trying to explain it to you.
2020-10-17
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A J
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wamuBugMe Posted at 10-17 11:54
And you're not. You're arguing opinion against fact. I'm done trying to explain it to you.

You believe the Mavic Air 2 1/2" quad bayer sensor is a true 48mp sensor. You are wrong. I don't need it explained to me thanks.
2020-10-17
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Electromen
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I spent more time today in Photoshop with the 48 MP and 12 Mp photos of the same subject, taken from a table.  So motion or shake of the camera are not involved.
Even after using advanced sharpening techniques like High Pass Filter Sharpening, the 12 MP jpeg was the sharper image.  RAW showed the same results.
2020-10-17
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GaryDoug
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A J Posted at 10-17 11:57
You believe the Mavic Air 2 1/2" quad bayer sensor is a true 48mp sensor. You are wrong. I don't need it explained to me thanks.

He NEVER said he thought it was a 48MP sensor. If you go back and read the topic, it will be apparent. You guys are arguing at cross purposes.
2020-10-17
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A J
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GaryDoug Posted at 10-17 18:17
He NEVER said he thought it was a 48MP sensor. If you go back and read the topic, it will be apparent. You guys are arguing at cross purposes.

And I NEVER stated that it didn't produce 48mp's. Anyway, we are no longer arguing on the matter as a pointless dicussion when peoples knowledge is based on merely forwarding links from third parties.
2020-10-17
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davemire
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Electromen Posted at 10-17 14:35
I spent more time today in Photoshop with the 48 MP and 12 Mp photos of the same subject, taken from a table.  So motion or shake of the camera are not involved.
Even after using advanced sharpening techniques like High Pass Filter Sharpening, the 12 MP jpeg was the sharper image.  RAW showed the same results.

Interesting, so you're saying you're getting the same results as me using the 48MP RAW?
2020-10-18
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