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'''Large format''' refers to any imaging format of {{cvt|9 × 12|cm|in}} or larger. Large format is larger than "[[medium format]]", the {{cvt|6 × 6|cm|in}} or {{cvt|6 × 9|cm|in}} size of [[Hasselblad]], [[Mamiya]], [[Rollei]], Kowa, and [[Pentax]] cameras (using [[120 film|120- and 220-roll film]]), and much larger than the {{cvt|24 × 36|mm|in}} frame of [[135 film|35 mm]] format.
The main advantage of a large format, film or digital, is a higher resolution at the same pixel pitch, or the same resolution with larger pixels or grains which allows each pixel to capture more light enabling exceptional low-light capture. A 4×5 inch image (12.903 mm²) has about 15 times the area, and thus
Large format cameras were some of the earliest photographic devices, and before enlargers were common, it was normal to just make 1:1 [[contact print]]s from a 4×5, 5×7, or 8×10-inch negative.
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