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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 07 Sep 2016 (Wednesday) 13:53
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-= 5D Mark IV owners unite! Post photos and discuss.

 
steve67
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Aug 03, 2017 06:28 |  #3361

First time attempting to take a picture of the milky way

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Trout ­ Bum
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Aug 03, 2017 08:09 |  #3362

davesrose wrote in post #18417888 (external link)
...As someone who's profession is graphics and web development, for a statement of "my image is cropped 70 percent": I take that to mean 30% of the image is remaining. If the statement was "I cropped in to 70%", then I'd take that to mean 30% of the image was discarded.

This.


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LJ3Jim
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Aug 03, 2017 10:06 |  #3363

davesrose wrote in post #18417888 (external link)
As someone who's profession is graphics and web development, for a statement of "my image is cropped 70 percent": I take that to mean 30% of the image is remaining. If the statement was "I cropped in to 70%", then I'd take that to mean 30% of the image was discarded.

If I mention a crop, I usually say something like "this is 25% of the original image." I think that's pretty clear. But then there's the infamous "100% crop." I do use that to indicate that the image I've shared is a 1:1 pixel relationship with the original image; i.e. cropping to 1200x800 and exporting the image at that size.


Image editing ok; C&C always welcome.

  
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Trout ­ Bum
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Aug 03, 2017 22:03 |  #3364

LJ3Jim wrote in post #18418248 (external link)
If I mention a crop, I usually say something like "this is 25% of the original image."

For our purposes that might be the best way to describe how much an image is "cropped". :-)


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gvg45
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Aug 04, 2017 01:39 |  #3365

It's been a while since I've posted, but here's one from this past weekend.

~Greg


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~Greg

  
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smythie
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Aug 04, 2017 05:49 |  #3366

That's fantastic


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TeamSpeed
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Aug 04, 2017 07:06 |  #3367

One of my low ISO shots that I like! For those out there that say ISO 100 is the only ISO to shoot at and anything higher is a waste... :)

IMAGE: https://photos.smugmug.com/Sports-Events/Mad-Ants-20162017/March-21-2017/i-St884JP/0/e016a1b3/X2/FX8A0735a-X2.jpg
IMAGE LINK: https://photos.smugmug​.com …/e016a1b3/O/FX8​A0735a.jpg  (external link)

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MatthewK
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Post edited over 1 year ago by MatthewK.
     
Aug 04, 2017 09:32 |  #3368

gvg45 wrote in post #18418870 (external link)
It's been a while since I've posted, but here's one from this past weekend.

~Greg

Superb. Doesn't get much better than this.


TeamSpeed wrote in post #18418970 (external link)
One of my low ISO shots that I like! For those out there that say ISO 100 is the only ISO to shoot at and anything higher is a waste... :)

QUOTED IMAGE
IMAGE LINK: https://photos.smugmug​.com …/e016a1b3/O/FX8​A0735a.jpg  (external link)

Aside from some slight artifacting on the lower right, this looks like ISO 100 to me. Wow.

This camera has shattered my notions on usable ISO and noise. I used to be hesitant to shoot anything 1600+, but now I don't even think twice. Here's an ISO 10000 from the other day (POTN incorrectly reports it as 12800). I could probably smooth out what noise there is here, but whatever, it doesn't bother me.


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jcothron
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Aug 04, 2017 16:21 |  #3369

I've been stalking this spot for quite some time now. One of the best yet, although I know it could be better. I'll keep going back till I get it!


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Solyad
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Aug 06, 2017 07:04 |  #3370

A few from out and about around Dublin last night.


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CyberDyneSystems
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Post edited over 1 year ago by CyberDyneSystems.
     
Aug 06, 2017 09:48 |  #3371

Lbsimon wrote in post #18416398 (external link)
Thanks for posting the full original photo.

Following this logic, a 100 percent crop should mean 100 percent thrown away! Now I am even more confused...

100% crop is supposed to be short for "here is a crop of the full image that shows 100% pixel per dot (image pixel to monitor dot) resolution"

Clearly "100% crop" is a useful abbreviation! :)

I have no idea what 50% crop would mean, but if we use the above logic, a 50% crop would mean an image that is 2400x1600 displayed on a 1200x800 screen.

The "%" would bare no relation to the original images size,. it would only be a reference to the final display screens dot pitch. But I don't think anyone used 50 or 70% to mean in relation to final display dot pitch, ...

If we crop small enough (800 pixels across for example) on almost anyone's screen today it will display @ 100%, pixel per dot, as it won't need to be reduced to fit.


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CyberDyneSystems
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Post edited over 1 year ago by CyberDyneSystems.
     
Aug 06, 2017 09:49 |  #3372

digital paradise wrote in post #18416412 (external link)
I read your post again and based on that link I posted.

In the printing, graphic design and photography industries, cropping[1] is the removal of unwanted areas from a photographic or illustrated image.


So it appears if you crop 100% then there will be nothing left. If you crop 90% then only 10% is left to view.


This may be true in reference to the article you posted, and therefore might be a good way to reference percent reduction crops on the forum, but it is never what is being discussed on photography forums when the term 100% crop is used.


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Lbsimon
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Aug 06, 2017 09:55 |  #3373

CyberDyneSystems wrote in post #18420484 (external link)
This may be true in reference to the article you posted but it is never what is being discussed on photography forums when the term 100% crop is used.

I agree with your reasoning with regarding the "100 percent crop". However, when I read something like "70 percent crop", I want to know how much was cut off of the original frame. It is important to me. When I go our shooting bird, and then have to crop some part of the frame, I am interested to see how much it compares to other shooters, how close they can come to a bird, and how lucky they (or me, for that matter) are.


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RodS57
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Aug 06, 2017 15:07 |  #3374

CyberDyneSystems wrote in post #18420483 (external link)
100% crop is supposed to be short for "here is a crop of the full image that shows 100% pixel per dot (image pixel to monitor dot) resolution"

Clearly "100% crop" is a useful abbreviation! :)

I have no idea what 50% crop would mean, but if we use the above logic, a 50% crop would mean an image that is 2400x1600 displayed on a 1200x800 screen.

The "%" would bare no relation to the original images size,. it would only be a reference to the final display screens dot pitch. But I don't think anyone used 50 or 70% to mean in relation to final display dot pitch, ...

If we crop small enough (800 pixels across for example) on almost anyone's screen today it will display @ 100%, pixel per dot, as it won't need to be reduced to fit.

In my mind and I might be wrong but in reference to 2400x1600 on a 1600x800 screen then the full frame is mapped to available screen size. If you zoom in to pixel by pixel pitch or actual size then you are looking at some portion of the full shot but it is 1600x800 in size. No different than your FOV at 50mm fl and 100mm fl. if nothing moves then you capture/view an image that is a smaller portion of the scene.

Rod


>>> Pictures? What pictures? <<<<

  
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2cruise
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Aug 06, 2017 16:47 |  #3375

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