BetterPhoto Q&A
Category: Printing Digital Pictures

Photography Question 

Stacey Layman
 

Jpeg Compressions


I am the owner of a Canon 20D. I know that it is best to use Jpeg High. My question is: If I use Jpeg High normal instead of fine and I wanted to print an 11X14, will I be loosing lots of image quality?


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July 10, 2005

 

Brendan Knell
  Stacey, with an 8MP camera, just changing it to normal shouldn't really make that much of a difference. When you start printing really big, 16x20 and up, you may start to see some quality loss. But still I really don't think it would be noticeable even then, because when you print that big, people won't be scrutinizing it with a magnifying glass. But I would still recommend leaving it on Fine (that's what I always leave it on), because you never know when you'll get a really great photo and will want to print that big. So if you're wanting to just save space on your card, I would just get one - after all, CF cards are starting to get somewhat cheaper. A 3GB microdrive at Inkleys is about 150$.


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July 10, 2005

 

Swapnali Mathkar
  Hi, Brendan is right. You never know when you will need a bigger print. So I mostly shoot in RAW mode. You can do white balance and even exposure compensation with RAW files if needed. And Photoshop has come up with a concept of digital negative. RAW files shot by any camera can be converted to the digital negative format. I think in the future we will have lots of options open for RAW files, and it could be treated like film negatives. So if you are comfortable, try to shoot in the RAW mode.


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July 10, 2005

 

Brendan Knell
  I would also shoot in RAW, but my camera takes about 8 seconds to save a RAW or Tiff file. So I just use RAW or
Tiff for important stuff.


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July 10, 2005

 

Swapnali Mathkar
  Brendan,
I don't know the details of your camera. But there are 2 factors that decide the writing speed of a file: 1. Camera support; and 2. Card speed.
Each card has specified its read/write speed. The cheaper the card, its read/write speed is low. So you should check your camera's speed and take the card that matches it. If the camera speed is low and the card speed is high, it would be of no use. But if your camera supports high speed and the card is of a low speed, it will affect the writing time badly.


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July 10, 2005

 

Brendan Knell
  I'm almost positive that it's my camera, but I'll check that out. I would really like to be able to shoot in RAW or Tiff all of the time.


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July 10, 2005

 

Brendan Knell
 


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July 10, 2005

 

Stacey Layman
  Thanks everyone. I am currently using the Lexar 80X 1GB. I have to say that I do appreciate all the responses. This is such a great site with wonderful people. I have been on other forums, and you guys are very nice and considerate. It is great to get an answer without being attacked. My response to this question on another site would have been something like: "First of all, you need to sell your equipment and give your life new meaning if you are asking such a question."
I Just wanted to let you all know that it is refreshing to be around people with positive attitudes!


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July 11, 2005

 

Brendan Knell
  Stacey, that's exactly how some other sites are. I was on a Yahoo Cokin filters group, and I asked a question, and they told me that I could find it myself! Can you believe that?


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July 11, 2005

 

Stacey Layman
  Yes Brendan, I can believe it. I always try to do a search first. If I feel my question isnt being answered I will post my own question. Exactly how are people supposed to learn if they never ask questions?


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July 11, 2005

 

Samuel Smith
  welcome stacey,ask any question you want!that might give brendan a break?
you only have 5 pics in your gallery,might get a circular polarizer for your outside shots,glare.
sam
ps.so many people have helped me since i've been here,i need to pay back something.


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July 11, 2005

 

Karl P
  Stacey - as a Canon owner you should not be using Lexar WA 80x cards. Canon cameras do not support WA technology - in your 20d you are writing images at 24x! You'll get better speed from the std. Lexar 40x cards (non WA) or Sandisk Ultra 2's.


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July 12, 2005

 

Stacey Layman
  Karl- Thanks for correcting me. It's the only card I currently have. I have not had problems. Do you think that I will? What damage have I done?


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July 12, 2005

 
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