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How Big Can I Print

How big can I print a photograph from my camera is a regular question we are asked. The table below shows the perfect resolution being at 300 pixels per inch and represented by the green tick. The yellow tick represents resolutions that will work. The red cross shows under resolution for that size.

The human eye sees anything at greater than 180 pixels per inch as being a continuous tone. Most people can not see beyond 150 pixels per inch. So, as a rule of thumb a 20″ x 30″ print can have a pixel dimension as low as 3000px x 4500px.

The quality of your interpolating software can also have an effect on the quality of an enlarged image. We do recommend Photoshop and when increasing the image size you would use bicubic smoother. If decreasing size, use the bicubic sharper.

Before placing an order through our software all resizing should be done. This will improve your chances of getting a better print and will reduce upload times.

While image resolution does play an important part in printing, viewing distance also needs to be considered. For example, an 8″ x 10″ print is viewed at arm’s length. A 20″ x 30″ print would be best viewed from close to a metre. Whereas, a 12-metre billboard from 15 metres. So where resolution is important the original pixel dimension could be as low as 6 – 8 megapixels for any size print when considering viewing distance.

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