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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 27 Apr 2016 (Wednesday) 14:46
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1D X Mark II Owners Unite! Discuss & Post Photos

 
Tc202
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Jul 21, 2016 22:56 |  #1966

Marbled Godwit Incoming:

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Jul 21, 2016 23:10 |  #1967


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Just fooling around ... tight crop from shot taken at a soccer-volleyball 2 -a- side pickup match at the local park ..



  
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jonneymendoza
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Jul 22, 2016 03:46 |  #1968

sploo wrote in post #18073238 (external link)
.

I guess what I'm saying is: we tech guys screw up, but... well... this: http://www.gizmodo.com​.au …-coding-is-absolute-hell/ (external link)

haha brilliant article and im a programmer myself


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Jul 22, 2016 04:34 |  #1969

snoylekimchi wrote in post #18074068 (external link)
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Just fooling around ... tight crop from shot taken at a soccer-volleyball 2 -a- side pickup match at the local park ..

Nice timing, did you notice the strange dots near the netting, they do not seem right to me. They all go vertical. How does it look larger?


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Jul 22, 2016 04:36 |  #1970

Here is 2 of my new bluebird family, I think that is a male on the right and a female on the left.

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snoylekimchi
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Jul 22, 2016 07:09 as a reply to  @ robamy's post |  #1971

No, I didn't notice them until you mentioned . I'll check the raw file out . This was a throwaway , as the intended objects were not in a good position for the focus I wanted , a colleague noticed the position of the ball in the pic and suggested crop and enlarge, just for grins .. I haven't seen any issues with the thousands of other shots I have on the body , so . Interesting ..




  
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Jul 22, 2016 08:18 |  #1972

So bored, here is a focus stacked 60 files, forgot to clean the dust  :p

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Chet
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Jul 22, 2016 08:31 |  #1973

HKFEVER wrote in post #18074324 (external link)
So bored, here is a focus stacked 60 files, forgot to clean the dust  :p

QUOTED IMAGE


I still don't understand focus stacking and how you get the in-focus part in the final and leave out the rest. Results are exquisite.


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snoylekimchi
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Jul 22, 2016 08:38 as a reply to  @ robamy's post |  #1974

The dots appear to be the out-of-focus riveted/bolted seams on the side of the trailer/container building in the background ..I have another shot where those are more in focus . There's also vertical discoloration on the side of that 'building' that looks like water stains from water running down the sides ..not exactly a clean backdrop .. I checked the grid of the net against other background and didn't see any accompanying dots , so chalking this up to accidental messy background .. good eyes .. thanks .




  
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HKFEVER
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Jul 22, 2016 09:09 |  #1975

Chet wrote in post #18074331 (external link)
I still don't understand focus stacking and how you get the in-focus part in the final and leave out the rest. Results are exquisite.


PS will do it in auto mode :twisted:




  
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sploo
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Jul 22, 2016 11:39 |  #1976

Chet wrote in post #18074331 (external link)
I still don't understand focus stacking and how you get the in-focus part in the final and leave out the rest. Results are exquisite.

It's possible for software to analyse an area of an image and determine whether it contains sharp or blurry detail; in essence - are there pixels in this area that differ from one another in terms of brightness or colour; if not, it's likely to be out of focus (blurred).

The software can do that analysis on every image in a stack, and then take what appear to be the sharpest areas from each image - think of it like taking a focus stack of photos and printing them, then cutting out the sharp (in focus) bits from each photo and making a composite single image from those clippings.

It's a bit more complicated than that as focus breathing means that things will move slightly as focus is changed, and obviously you could have something in perfect focus that's actually completely smooth in detail (so it's difficult to tell if it's in focus or blurred). But, to some extent, that's how point-and-shoot (and Liveview without Dual Pixel AF) works - the camera examines the image it sees and moves focus until adjacent pixels have high contrast.


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Magpie ­ Robin
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Jul 22, 2016 13:15 |  #1977


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dzaneh
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Jul 22, 2016 14:13 |  #1978


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stuff

  
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dzaneh
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Jul 22, 2016 14:14 |  #1979


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stuff

  
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smythie
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Jul 22, 2016 15:15 |  #1980

Magpie Robin wrote in post #18074571 (external link)
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Welcome to POTN. I hope you're enjoying your camera


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