The wet plate large format camera of the 20th century was a traditional photography tool that used wet plate film for shooting. This camera uses large-sized film, typically 8x10 inches (approximately 20.3x25.4 centimeters) or larger, to provide excellent image quality and detail representation. Widely used in professional photography and artistic creation in the 20th century. They provide excellent image quality and detail representation, becoming the preferred tool for photographers pursuing high-quality images. With the development of digital technology, wet plate large format cameras are gradually being replaced by digital cameras. But it remains a classic in the history of photography.

Yashica Company has produced a long series of 6 × 6 TLR cameras, including many models, which are the result of gradual development rather than complete change; They can be conveniently divided into the knob forward model and the crank forward model discussed here. These are named Yashica Mat to reflect the progress of their automatic mat IC movies, which is different from simple cameras that use red windows.

This camera is designed to capture 2 ¼ x 3 ¼ inch images on 620 film. It is produced in the United States, Canada, and the United Kingdom, and there are several different versions available. Early Brownie cameras achieved success due to their inexpensive cardboard body. Although there is a Six-20 Brownie Junior made entirely of cardboard, most versions gradually increase the use of metal (instead of wood) while maintaining the Brownie principle of simple structure and operation. The Art Deco version seen here may be the most popular.

Da Browni is a series of cameras manufactured by Eastman Kodak. Released in 1900, it introduced snapshots to the public. This is a basic cardboard box camera with a simple convex concave lens that can take 2 1/4 inch square photos on 120 rolls of film. It is designed and sold for the sale of Kodak film. Due to its simple control and initial price of $1 (equivalent to $31 in 2020), as well as the low cost of Kodak film and development, the Brownie camera exceeded its marketing goals. This camera is perfect for capturing precious moments, football matches, graduation ceremonies, and even indoor weddings.

The Zeiss Ikon Contaflex is a series of 35mm DSLR cameras produced by Zeiss Ikon in the 1950s and 1960s, equipped with a leaf shutter. This name was first used by Zeiss Ikon in 1935 for a 35mm dual reflex camera, Contaflex TLR. The first DSLR model of the Contaflex series, the Contaflex I and II, had fixed lenses, while later models had interchangeable lenses. The advantages of using a blade shutter include low manufacturing costs, quieter operation, and flash synchronization at all shutter speeds.

This camera was created by Heinrich Elneman A G. Company manufacturing. The manufacturing date is 1905-1910 and it was made in Dresden, Germany.