The original image has a resolution of 595 / 850
The aspect ratio is 800 / 450 or 1.77
The image at half the size is 300 x 225
The image at quarter the size is 150 x 112.5
The original image has a resolution of 600 x 450
The aspect ratio is 600/450
The image at half the size is 300/225
The image at quarter the size is 150 x 112.5
