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Hi,

I am learning Photoshop in the hope of printing posters. I have questions regarding printing. Originally, when you create an image the resolution is set to 72 pixels/inch. I have learned I need to switch that to 300 pixel/inch.

  

1)Will I have to recreate all my images from scratch in 300 resolution?

   

2)Do I lose a lot of quality on the final product if i convert 72 -> 300.

3)My images are 11x17, when i hit 100% and view rulers, it shows my image at roughly a 3:1 ratio, why does it do this?

  

4)Can I view what a final printed image will look like with in Photoshop?

  

5)How do I preserve quality when switching to 300 resolution?

  

6)Say I use an image that is originally 600x600, will switching to 300 resolution make the new image horrible?

I may have more questions with as these get answered,

Thank you,

Geokatz