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General photography questions and answers: Discuss Crop factor & impact on composition and printing...Hello All I must have made a school girl error here, but I hope someone can confirm something for me? ...
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Old 27-11-2009, 12:04   #1 (permalink)
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Crop factor & impact on composition and printing

Hello All

I must have made a school girl error here, but I hope someone can confirm something for me?

I've been happily taking my photos with my Canon 450d for awhile now but never printed my stuff out.

I have been reading up on the full-frame v APS-C and feel like a bit of an idiot to be honest not thinking what the full implications are when getting my prints done. (as I could not find anywhere that tells you this)

Is it correct that i should, when composing my shots (i.e. when i look through the view finder) to allow for some space for cropping for when i would like to print them out and frame my shots? (in example below - top and bottom) As I printed a few of my photos out and they came out...well kind of skinny and I won't be able to frame them without chopping some of the shot i.e. the top of his head which I've already done whilst taking the shot



Also does what you see through the view finder/eye-piece differ from what you see digitally and print out? Does it depend on what camera you have?

Thanks very mucho!!

Arale
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Old 27-11-2009, 12:50   #2 (permalink)
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Re: Crop factor & impact on composition and printing

Quote:
Originally Posted by Arale View Post
Hello All

I must have made a school girl error here, but I hope someone can confirm something for me?

I've been happily taking my photos with my Canon 450d for awhile now but never printed my stuff out.
I don't do a lot of printing myself but I'll try and help out with a few of your queries.

Quote:
Originally Posted by Arale View Post
I have been reading up on the full-frame v APS-C and feel like a bit of an idiot to be honest not thinking what the full implications are when getting my prints done. (as I could not find anywhere that tells you this)
Whether you camera is a full or crop sensor shouldn't affect the results you get on your prints. It will affect the various results of the photographs you take (depth of field, colour, detail etc.) but once you've finished processing your photos you should get what you see on the screen from the printer.

Quote:
Originally Posted by Arale View Post
does what you see through the view finder/eye-piece differ from what you see digitally and print out? Does it depend on what camera you have?
Depending on which camera you own, yes it does, but only slightly. Canon's professional 1D line of cameras have a 100% viewfinder and until recently were the only Canon cameras that did, but the recent 7D now also has a 100% viewfinder.
Moving down the line the 5D mk.II has 98%, the 5D classic has 96% and the rest (including your 450D) have a 95% viewfinder. So you see 95% of what you will get in the picture.

Quote:
Originally Posted by Arale View Post
lIs it correct that i should, when composing my shots (i.e. when i look through the view finder) to allow for some space for cropping for when i would like to print them out and frame my shots? (in example below - top and bottom) As I printed a few of my photos out and they came out...well kind of skinny and I won't be able to frame them without chopping some of the shot i.e. the top of his head which I've already done whilst taking the shot
This is where I'm not too sure about what's happening. Yes you frame your shot as to how you would like it to look, but it sounds like your letting your printer crop the shot to fit on the page (perhaps edge to edge printing is ticked in the printer options) instead of you cropping the shot as to how you want it to look on the print.

So I guess the answer is yes, if you have a specific thought in mind of how you would like to display the shot, leave room to crop it first in your processing software then send it to your printer.

There are various ways to get the results you want depending on what processing software and printer you use, but I'll leave that to others with more experience.

Hope this helps a bit.
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Old 27-11-2009, 18:20   #3 (permalink)
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Re: Crop factor & impact on composition and printing

Due to my not having an Internet connection at the moment this will have to be brief. I have printed 30x40 inch prints with a 6 megapixel crop sensor camera. I think yor issue might be to do with aspect ratios. Most dSLRs will have aratio of 2:3, whereas photo sizes are 5:4. This means that you ought to be able to fill an A4 or other 'A' sizes OK if you have not cropped the image. If you have, you will have to resize the image. If you have cropped without maintaining the ratio you will not be able to retrieve the original ratio as it will distort the image. Difficult to go into more detail on my iPod using a hijacked connection!
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Old 27-11-2009, 19:24   #4 (permalink)
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Re: Crop factor & impact on composition and printing

Many thanks for your feedback Iain and Graham

I wish I looked this up sooner before taking 100s of photos - ah well!

Graham I hope you get your internet connection back soon! I am intrigued about the resizing/maintaining ratio bit

So in the example above, I understand that my photo is of ratio 2:3 - when i had this printed by a print shop - they printed this out as ratio 5:4 as you have stated (and they left the white spaces in!)....should I in this case have resized my image (maintaining aspect ratio) and crop to suit 5:4?

And in future - to do what Iain suggested - leave room when I take the shot then I can crop as appropriate later?

Thanks again
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Old 27-11-2009, 21:51   #5 (permalink)
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Re: Crop factor & impact on composition and printing

You are probably better using a printer that can handle digital formats properly instead of shooting and cropping to suit this one printer who is still in the dark ages. There are MANY printers that are capable of handling this format and straight from the camera prints without any issues at all, remember that digital is the new 'black'
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Old 27-11-2009, 22:55   #6 (permalink)
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Re: Crop factor & impact on composition and printing

Thanks Steve!

Will have to look further into this print malarkey- yes digital is the new black! - and it's been in fashion for awhile now

1 shop I used was a well known high st chain (although a mate picked this up) and the other - was an online supplier - surely they must have printers that can handle this? will have to have a chat with them just to double check

(Snappy snaps & Snapfish - wasn't sure if I could mention them?)
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Old 28-11-2009, 07:51   #7 (permalink)
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Re: Crop factor & impact on composition and printing

... To get perfection in printing, especially when cropping images, its always better to be having your own printer.....
The person who prints your pic can not see what you want, and will be using automatic software to get your print's size to "as big as will fit the paper", but thats it.....

If you have use of any printer yourself, try doing some experimentation with a quick "Draft" setting, using print preview on the screen to check, print in minimum quality, of the print you want, to get the size right, before you send it....
Even the lowest quality printer can be used for that, and it will give you an idea of what the finished item will look like.

These online print firms print thousands per day, and just do not have the time to look at each individual shot with as much care as you would.

I spent a couple of hundred on an Epson Photo Printer, and although the running costs are not cheap, they are HUNDREDS of times cheaper than using a print shop, and I can get exactly the results I want from it.
(you also get better results in quality than many high-street print shops..they use cheap inks and lower grade paper than perhaps is best....)
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Last edited by Silver Dragon; 28-11-2009 at 07:54. Reason: typo
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Old 29-11-2009, 10:37   #8 (permalink)
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Re: Crop factor & impact on composition and printing

Many thanks for your feedback - really helpful!
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