1. Vector files : PDF EPS AI
Ideal for large format reproduction. These types of VECTOR BASED files can scale to large sizes without any image deterioration.
2. Photoshop files: JPG PSD TIFF PNG PUB GIF
These files need to contain an appropriate amount of image data to endure reproduction that is not flawed by pixelization or aliasing. Recommended resolution is 100dpi at the final output size