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Photo Forum / Digital Photography / Digital Photo / April 2005

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George Nuetzel - 28 Apr 2005 12:33 GMT
I recently had some photos processed at K-Mart and these 4" x 6"
borderless copies came back cropped.  I know with borderless you are
going to lose part of the picture but this was more than I thought it'd
be.  Does anyone do non-borderless photos?  I can do these at home on my
printer, but prefer to have them done elsewhere.  Any help would be
appreciated.

George
Parkville (Baltimore), MD
CSM1 - 28 Apr 2005 13:24 GMT
>I recently had some photos processed at K-Mart and these 4" x 6"
> borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 5 lines]
> George
> Parkville (Baltimore), MD

I most likely has to do with the ratio of the height to width of the
original image.
A 6x4 is a 1.5:1 ratio.
A digital camera makes a 4:3 or 1.33:1 ratio.
In order to fill the width of the 6x4, you must crop the height to fit the
different ratio.

example:
1600x1200 pixel image (a 2 Megapixel camera)

1200 pixels/4 inches=300 ppi. to fill out the 4 inches.
1600 pixels/300 ppi=5.333 inches.

To fill out the 6 inch dimension, you have to crop the height of the image.

Signature

CSM1
http://www.carlmcmillan.com
--

rumpledickskin - 28 Apr 2005 14:06 GMT
>>I recently had some photos processed at K-Mart and these 4" x 6"
>> borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 20 lines]
>
>To fill out the 6 inch dimension, you have to crop the height of the image.

I have some to try myself. I'm going to Superstore. They have a
"Kodak" machine there that reads all types of cards. Basically D.I.Y.
50 cents a print.
Not all cameras are this ratio. My HP C500 is 1600x1200 [1.333]. My
Canon 20D digital SLR is 3504x2336 [5:1]
The problem I'd be concerned with is the color matching. How do your
prints look colorwise.
Marvin - 28 Apr 2005 19:06 GMT
>>>I recently had some photos processed at K-Mart and these 4" x 6"
>>>borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 26 lines]
> Not all cameras are this ratio. My HP C500 is 1600x1200 [1.333]. My
> Canon 20D digital SLR is 3504x2336 [5:1]

Which is also 1.333.

> The problem I'd be concerned with is the color matching. How do your
> prints look colorwise.
CSM1 - 28 Apr 2005 22:41 GMT
> >>>I recently had some photos processed at K-Mart and these 4" x 6"
> >>>borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 28 lines]
>
> Which is also 1.333.

You did not use your calculator, 3504/2336=1.5. His Canon 20D has the same
aspect ratio as 35 mm film.

35mm film fits a 6x4 print perfectly. It is what the photo finishers created
the 6x4 size print for. 6/4=1.5 or 3:2.

> > The problem I'd be concerned with is the color matching. How do your
> > prints look colorwise.
Signature

CSM1
http://www.carlmcmillan.com
--

Marvin - 29 Apr 2005 18:31 GMT
>>>>>I recently had some photos processed at K-Mart and these 4" x 6"
>>>>>borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 39 lines]
> You did not use your calculator, 3504/2336=1.5. His Canon 20D has the same
> aspect ratio as 35 mm film.

Right.  I used a calculator, but punched a wrong number.  In any case, it isn't 5:1!

> 35mm film fits a 6x4 print perfectly. It is what the photo finishers created
> the 6x4 size print for. 6/4=1.5 or 3:2.
>
>>>The problem I'd be concerned with is the color matching. How do your
>>>prints look colorwise.
CSM1 - 29 Apr 2005 19:27 GMT
>>>>>>I recently had some photos processed at K-Mart and these 4" x 6"
>>>>>>borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 44 lines]
> Right.  I used a calculator, but punched a wrong number.  In any case, it
> isn't 5:1!

Right. He made a typo [5:1] should have been [1.5:1].

>> 35mm film fits a 6x4 print perfectly. It is what the photo finishers
>> created
>> the 6x4 size print for. 6/4=1.5 or 3:2.
>>
>>>>The problem I'd be concerned with is the color matching. How do your
>>>>prints look colorwise.
Signature

CSM1
http://www.carlmcmillan.com
--

rumpledickskin - 30 Apr 2005 18:46 GMT
>Right. He made a typo [5:1] should have been [1.5:1].

thanks
George Nuetzel - 30 Apr 2005 14:58 GMT
Thanks to all who responded to my question and took the time to explain to
explain the aspect ratio to me.

George

> >I recently had some photos processed at K-Mart and these 4" x 6"
> > borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 25 lines]
> http://www.carlmcmillan.com
> --
Marvin - 28 Apr 2005 19:04 GMT
> I recently had some photos processed at K-Mart and these 4" x 6"
> borderless copies came back cropped.  I know with borderless you are
[quoted text clipped - 5 lines]
> George
> Parkville (Baltimore), MD

Unless the photos have a 2:3 aspect ratio, they have to cropped to fill the 4X6 space.
You can control the cropping by doing it yourself.  Almost any software for working on
digital images will let you do that.

The standard print sizes are unrelated to the aspect ratios of either film or digital
cameras.  You can either take what happens in printing, take the time to do the cropping,
or pay a lot extra for custom printing.
 
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