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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 15 Sep 2014 (Monday) 11:20
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-= 7D2 owners unite! Discuss and post photos!

 
setagate
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Jul 10, 2019 06:47 |  #21616

Scrumhalf wrote in post #18890866 (external link)
The selective brush tool is your best friend! ;-)a

Thank you for your help. Could you explain to me how one uses the selective brush tool to eliminate excessive noise caused by high ISO settings and create sharp, clear images?


Bob

  
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gossamer88
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Jul 10, 2019 09:09 as a reply to  @ setagate's post |  #21617

If you shoot raw, open the file as a Smart Object (via the File menu) do whatever edits you want to that raw file. Then right-click on the background layer and choose "New Smart Object copy". Now you essentially have two smart object layers. Double-click the top layer and it will open in ACR. Go to the Details tab and reduce Sharpening and bump up the Luminance. From there you can mask out the sharp section you want to reveal.


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Scrumhalf
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Jul 10, 2019 09:44 |  #21618

setagate wrote in post #18891176 (external link)
Thank you for your help. Could you explain to me how one uses the selective brush tool to eliminate excessive noise caused by high ISO settings and create sharp, clear images?

Depends on the tool you use for processing. I use Lightroom, so here is my workflow.

I first sharpen the image to bring out the details to my liking.

I then bump up the luminance and chroma noise sliders as little as possible to just control noise in my subject, ignoring the background for the time being. Once I got the subject where I want it, I pick the brush tool, select "noise" from the pulldown menu, pick a value around 80% (you can change this to suit your taste and the original noise level that you are trying to remove) and then paint the entire photo with it. I then switch to erase mode and carefully erase the painting (make sure you have the "show mask overlay" box checked) over the subject. You can also paint the noise reduction selectively on the background but I have found my method to be less work.

That's pretty much it. I am sure there are other, equally effective ways that others do it. The key advantage of the brush tool is that you can control noise in easily visible areas like the background more aggressively while doing less in the subject areas that might suffer from loss of detail if NR is done too aggressively.


Sam
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If I don't get the shots I want with the gear I have, the only optics I need to examine is the mirror on the bathroom wall. The root cause will be there.

  
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setagate
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Jul 10, 2019 10:04 as a reply to  @ Scrumhalf's post |  #21619

Thank you very much for your help, Gossamer & Sam.


Bob

  
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gossamer88
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Post edited over 2 years ago by gossamer88.
     
Jul 10, 2019 10:40 |  #21620

setagate wrote in post #18891259 (external link)
Thank you very much for your help, Gossamer & Sam.

Below is an example of one my images taken with a 60D that was extremely noisy due to the fact that I had turned on Auto ISO. Not a good idea with a 60D. I applied the technique I mentioned above.

Credit to Nick Page (external link) whose podcast I listened to.


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ct1co2
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Jul 13, 2019 10:16 |  #21621


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R6 | 15-85is | Rokinon 14 2.8 | 16-35is L | RF 24-105is L | 100-400 II L | Σ150-600 C | 1.4X III | 2X III | 430ex |

  
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David_MC
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Jul 13, 2019 13:15 |  #21622

Dawn at Cape Henlopen State Park.


A few birds after the sunrise.
Forster's Tern.


Snowy Egret


Blue Grosbeak


<insert witty signature here>
Canon 7D Mark II, Canon Speedlite 430EX II, EF 100-400mm L II EF-S 18-135mm IS STM, EF 50mm 1.8, EF-S 24mm STM, EF-S 10-22mm USM

  
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gossamer88
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Jul 13, 2019 16:08 |  #21623

Took out my new (to me) 7D Mark II. Attaching my Sigma 150-600 C makes things a lot more reachable. I also used the grip I got with it. Needless to say this combo gave a pretty good workout...LOL!


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EF 70-200mm IS II | EF 85mm 1.8 | EF 50mm 1.8 STM | EF 35mm f/2 IS | EF 20mm 2.8

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David_MC
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Jul 13, 2019 20:54 |  #21624

Sunset wildlife photography at Prime Hook NWR.

Great Blue Heron wading in the water.


Scratching an itch.


Forster's Tern


Laughing Gull


Laughing Gull X-Wing


<insert witty signature here>
Canon 7D Mark II, Canon Speedlite 430EX II, EF 100-400mm L II EF-S 18-135mm IS STM, EF 50mm 1.8, EF-S 24mm STM, EF-S 10-22mm USM

  
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photograma
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Jul 13, 2019 21:54 |  #21625

young great horned owl


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AKA Dian

  
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Lame-Duck
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Jul 14, 2019 01:45 |  #21626

photograma wrote in post #18893271 (external link)
young great horned owl
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Hosted photo: posted by photograma in
./showthread.php?p=188​93271&i=i67897095
forum: Canon EOS Digital Cameras

Fantastic shot, Dian.


LD, or Mike
Often mistaken, but never in doubt.

  
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photograma
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Jul 14, 2019 06:27 as a reply to  @ Lame-Duck's post |  #21627

Thank you :-)


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gossamer88
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Jul 15, 2019 18:07 |  #21628

Gibbous Daylight Moon


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EOS R5 | EOS R | iPhone 12 Pro
RF 800mm F11 STM | RF 24-240mm USM | EF 100-400mm IS II | Sigma 150-600mm C
EF 70-200mm IS II | EF 85mm 1.8 | EF 50mm 1.8 STM | EF 35mm f/2 IS | EF 20mm 2.8

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Scrumhalf
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Jul 15, 2019 19:00 |  #21629

My son and I went on a nice 4-mile hike in the Angeles NF near the Crystal Lake Recreation Area. The wildflowers were in profuse bloom, the sun was blazing and various creatures were enjoying themselves. Here are some photos:

1. Variable checkerspot (Euphydryas chalcedona):

IMAGE: https://live.staticflickr.com/65535/48287771952_dd6d220ce4_o.jpg
IMAGE LINK: https://flic.kr/p/2gz2​shh  (external link) Variable Checkerspot (external link) by S S (external link), on Flickr

2. Hedgerow Hairstreak (Satyrium saepium):

IMAGE: https://live.staticflickr.com/65535/48287675151_bcf6ec142e_o.jpg
IMAGE LINK: https://flic.kr/p/2gz1​Xvi  (external link) Hedgerow Hairstreak (external link) by S S (external link), on Flickr

3. Common side-blotched lizard ( Uta stansburiana):

IMAGE: https://live.staticflickr.com/65535/48287675216_b66bba32f7_o.jpg
IMAGE LINK: https://flic.kr/p/2gz1​Xwq  (external link) Common Side-blotched Lizard (external link) by S S (external link), on Flickr

4. Western Whiptail ( Cnemidophorus tigris):

IMAGE: https://live.staticflickr.com/65535/48287771987_b64425243e_o.jpg
IMAGE LINK: https://flic.kr/p/2gz2​shT  (external link) Western Whiptail (external link) by S S (external link), on Flickr

5. Splendid Woodland-gilia (Saltugilia splendens):

IMAGE: https://live.staticflickr.com/65535/48287771902_d03f902273_o.jpg
IMAGE LINK: https://flic.kr/p/2gz2​sgq  (external link) Splendid Woodland-Gilia (external link) by S S (external link), on Flickr

Sam
5D4 | 6D | 7D2 (2 bodies) | Reasonably good glass
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If I don't get the shots I want with the gear I have, the only optics I need to examine is the mirror on the bathroom wall. The root cause will be there.

  
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Lame-Duck
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Jul 16, 2019 00:04 |  #21630

Scrumhalf wrote in post #18894277 (external link)
My son and I went on a nice 4-mile hike in the Angeles NF near the Crystal Lake Recreation Area. The wildflowers were in profuse bloom, the sun was blazing and various creatures were enjoying themselves. Here are some photos:

1. Variable checkerspot (Euphydryas chalcedona):

QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/2gz2​shh  (external link) Variable Checkerspot (external link) by S S (external link), on Flickr

2. Hedgerow Hairstreak (Satyrium saepium):

QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/2gz1​Xvi  (external link) Hedgerow Hairstreak (external link) by S S (external link), on Flickr

3. Common side-blotched lizard ( Uta stansburiana):

QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/2gz1​Xwq  (external link) Common Side-blotched Lizard (external link) by S S (external link), on Flickr

4. Western Whiptail ( Cnemidophorus tigris):

QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/2gz2​shT  (external link) Western Whiptail (external link) by S S (external link), on Flickr

5. Splendid Woodland-gilia (Saltugilia splendens):

https://flic.kr/p/2gz2​sgq (external link)Splendid Woodland-Gilia (external link) by S S (external link), on Flickr

These are all very nice shots. Sounds like you and your son had a great walk.


LD, or Mike
Often mistaken, but never in doubt.

  
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