There exists in Photographie of many paper formats on which one can make print our more beautiful photographs.

One counts two principal types of them (sizes in cm):

• formats known as " traditionnels" with a ratio " width-hauteur" from 3/2 (silver photography, numeric photography with apparatuses of the type Reflex camera):
• 9 X 13
• 10 X 15
• 13 X 18
• 15 X 21
• 20 X 30
• 30 X 45
• …
• formats known as " numériques" with a ratio " width-hauteur" from 4/3 (numeric photography except apparatuses of the type Reflex camera):
• 10 X 13
• 11 X 15
• 13 X 17
• 15 X 20
• 20 X 27
• …

If you even draw your photographs you, you will have to buy paper having different formats.

• 18 X 24
• 24 X 30,5