Photo Restoration Blog

Posts Tagged ‘photo’

The kids went back to school and the new school photos have been taken.

Now you have collected your School photos, were your children smiling together?

This is a common problem and with Christmas coming these school portraits make great presents. You have time to send them in to us to merge two smiling children together into one photo.

Merging two school photos

Help is not to far away when you need your school photos merged together.

Image Resolution and photo restoration. Part 1/2

Before we start restoring any photographs we really need to understand printing resolution so we know how big our final photo restoration can be printed

The amount of times I have received requests for information on the ins and outs of printing resolution. I have read many an articles and to be frank none of the put it very simply. Here is my version.

You own a printer and you own a digital camera or have some digital images you wish to print. Just how big can you print and it still look good? Well it amounts to several factors but the best one is whatever looks good to you. This sounds very amateurish and am sure some of you might wince at my short answer, but really if you are happy with the result then that’s an important factor. But if you are not happy then maybe you are viewing it too close, viewing distance is also another factor. Seriously do you look at an A3 picture from 10 inches away or do you stand back and admire the picture for what it is? You should view it from a distance that is right for the size of image. If you are too close then you may see the digital artefacts or pixels that the image is made up from, this is most likely to happen on larger photos than 10×8 inches or on posters.

Ink Jet printers often have an enormous printing resolution, for example 4800x 2400 dpi, dots per inch. You can immediately get confused if you try and equate this with the resolution of your image, for example your cameras resolution is 2816 x 2120 or 6 million pixels. If you print the image using the printers maximum resolution, then surely your image will appear less than an inch big? Yes, but this is not how you should interpret it, you cannot literally equate the two devices in this way, I will explain

Commercial printers who uses printing presses used to publish books or glossy magazines always request images at 300dpi as that is the industry standard. This is a good optimum printing resolution for us too, and this can be used as a base for our printing equation. Simply put, what ever your image is in size it can be printed at 300 dpi. Well actually its ppi or pixels per inch, as you camera or image is digital and in pixels, not dots like a printer. For example even a 640 x 480 resolution image can be 300 dpi but will only measure just over 2 x 1 inches achieved by simply dividing the dots per inch into the pixel size of the image. When we get larger images such as 2816 x 2120 we can see that at the optimum printing resolution of 300 dpi. We spread those pixels over 300 pixels per inch and get a image size on paper of 9.4 x 7 inches.

see more in part two…

Providing a Quality photo restoration service and repair

Hello there and welcome to my world of Photo Restoration and photo retouching where you can find out how to restore old images and repair photographs using Photoshop. I will of course help out with discussing some fundamentals of image resolution and techniques used for restoring old photos. I hope this will be an informative and educational as well as some friendly chatter about photography.

Image-restore.co.uk Providing a quality photo restoration service

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