what image mode should be selected while saving scanned image?

SC
Posted By
Stuart_Cotton
Jun 11, 2007
Views
344
Replies
2
Status
Closed
Hi,

I am scanning some b&w photos (Color Mode: Greyscale / Output Resolution: 1200 dpi). I have 2 questions:

1. What image mode should I select while saving the scanned images? In CS3, under Image menu/Mode menu item, they have options such as 8Bits/Channel, 16Bits/Channel and 32Bits/Channel. Which one is idea if you plan to later run filters/plugins on images?

2. Is saving b&w images at 1200dpi overkill? What dpi should I choose? Some old photos are as small as 1"X1". I may later enlarge, print these photos. I heard people say that when you scan photos, select the highest dpi that you can. Is this true?

These are some basic/fundamental questions and I’d appreciate your feedback.

Thanks!
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Lawrence_Hudetz
Jun 11, 2007

1) Save TIFF or .psd. Tiff will allow you to open it in ACR4.1 (if you have it).

1200dpi is barely enough from 1"x1", if you plan on more than 4 or 5x enlargement.
SC
Stuart_Cotton
Jun 12, 2007
sorry, I was probably not clear. I am saving file in TIFF format. However, it can be in 8Bits/Channel, 16Bits/Channel and 32Bits/Channel format. The default is 8Bits/Channel.

What is the ideal setting while saving b&w images that I mentioned above? Does this even matter (note that I plan to run some filters later such as for image enlargement ,etc.)?

Thanks.

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