A banquet camera is a type of the large format camera used in the early 20th century for photographying large groups of people in formal occasions. Large formal refers to any imaging format of 4×5 (102×127) or larger
Large format is larger than "medium format", the 6×6 cm (2¼×2¼ inch) or 6×9 cm (2¼×3½ inch) size of Hasselblad, Rollei, Kowa and Pentax cameras (using 120-and 220-roll fillm), and mach larger than the 24×36 mm (~ 1.0 ×1.5 inch) frame of 25 mm format. The main advanteges of large format, film ot=r digital, is higher resolution at the same pixels or grain. A 4×5 inch image has about 16 times the area, and thus 16× the total resolution of a 35 mm frame
Large format cameras were some of the earliest photographic devices, and before enlargers were common, it was normal to just make 1:1 contact prints from a 4×5, 5×7, or 8×10-inch negative
Old studio camera
Lens and mounting of a large-format camera
Comparison of 35mm, medium format, and large format photography...
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