Compression Ratio?

12 years 7 months ago #141626 by 365 Project
On my camera there are three JPG settings, FINE, Norm, and Basic. I have always left mine on Fine because I thought that that setting would give the best results. I was flipping through my manual yesterday and came across "Compression Ratio" next to these settings. One was 1:4, 1:8, and 1:16 I believe. What does this mean?


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12 years 7 months ago #141629 by Brookie
1:4 compression means if you have a 10 MB file it gets compressed to approximately a 2.5 MB file. (10 divided by 4 = 2.5)

1:16 means a 10 MB file gets compressed to approximately a 0.625 MB file.

The compression is mostly done by discarding image color data.

Don't confuse MB (file size) with MP (resolution).


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12 years 7 months ago #141632 by 365 Project
So..keeping it at FINE when using JPG is the way to go..right?


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12 years 7 months ago #141642 by Brookie
Yes, keep it at fine, unless you're going to shoot in RAW+jpeg. If you're shooting RAW+jpeg, then you can always recreate the larger jpeg from the RAW file.

If you're only shooting in jpeg, the I would never go below fine. The reason is, you can NEVER go back and get the data you lost. It limits your ability to crop, adjust, ect with the same results you could get starting with the larger file.

Only use lower then Fine if you know for sure the images are for the web...like creating a website.


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12 years 7 months ago #141643 by Stealthy Ninja
Just shoot RAW and you'll not need to worry about it dude. ;)
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12 years 7 months ago #141648 by 365 Project

Stealthy Ninja wrote: Just shoot RAW and you'll not need to worry about it dude. ;)


I don't want to bother with raw, dude. ;)


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12 years 7 months ago - 12 years 7 months ago #141651 by Stealthy Ninja

365 Project wrote:

Stealthy Ninja wrote: Just shoot RAW and you'll not need to worry about it dude. ;)


I don't want to bother with raw, dude. ;)


So you don't care about quality? :whistle:

Dude?



Do you own Lightroom?
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12 years 7 months ago #141660 by 365 Project

Stealthy Ninja wrote:

365 Project wrote:

Stealthy Ninja wrote: Just shoot RAW and you'll not need to worry about it dude. ;)


I don't want to bother with raw, dude. ;)


So you don't care about quality? :whistle:

Dude?


My photos have nothing to with quality. At this moment, I am still getting the hang of photography, still learning, so I am happy with jpeg. I don't plan on selling these or printing larger then 8x10. Maybe in the future I will shoot raw. But at this time in my life I don't see the point too.


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12 years 7 months ago #141661 by Stealthy Ninja
I see. Good enough reasons. But if you have LR then there's honestly no reason not to shoot RAW. You never know when you'll take an awesome photo and later you'll think. MAN I WISH I SHOT THAT IN RAW.

Happened to me bro/dude/man!
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12 years 7 months ago #141662 by Brookie
Calm down you two.
Stealthy, us pros have to remember not everyone needs to shoot in raw or has too. People who are just starting out in photography can shoot jpeg, I am sure you didn't start out shooting raw right away. Did you? Back in the day when you first learn how to shoot, what DOF was, etc...


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12 years 7 months ago #141663 by Stealthy Ninja

Brookie wrote: Calm down you two.
Stealthy, us pros have to remember not everyone needs to shoot in raw or has too. People who are just starting out in photography can shoot jpeg, I am sure you didn't start out shooting raw right away. Did you? Back in the day when you first learn how to shoot, what DOF was, etc...


Dude, I only didn't start out with RAW because I didn't know about it. If someone told me the benefits and pointed out that Lightroom (did they have lightroom back then? mmm well they do now... ) can organize and read your RAW files just as easily as jpeg, I would have totally shot RAW from the beginning. Being "new" has nothing to do with what format you should use.

Also, who said I'm not calm? I'm always like this. :banana:
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12 years 7 months ago #141671 by 365 Project
Nope sorry, no lightroom at this time. I have heard good things about it and would like to try it out.


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12 years 7 months ago - 12 years 7 months ago #141677 by Scotty

Brookie wrote: Calm down you two.
Stealthy, us pros have to remember not everyone needs to shoot in raw or has too. People who are just starting out in photography can shoot jpeg, I am sure you didn't start out shooting raw right away. Did you? Back in the day when you first learn how to shoot, what DOF was, etc...


I started in RAW and glad I did. When I get home...ill post an example that'll make you seriously consider it.

When the last candle has been blown out
and the last glass of champagne has been drunk
All that you are left with are the memories and the images-David Cooke.

Photo Comments
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12 years 7 months ago #141681 by Stealthy Ninja

365 Project wrote: Nope sorry, no lightroom at this time. I have heard good things about it and would like to try it out.


yeh it's a very good program. Well worth downloading the demo and trying it out.
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12 years 7 months ago #141685 by 365 Project

Stealthy Ninja wrote:

365 Project wrote: Nope sorry, no lightroom at this time. I have heard good things about it and would like to try it out.


yeh it's a very good program. Well worth downloading the demo and trying it out.


Thanks, I might just do that. :thumbsup:


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