The Yashica Mat-124G is a medium format twin-lens reflex (TLR) camera that was produced by Yashica from 1970 to 1986. It is a highly regarded camera among photographers and is known for its exceptional build quality and image quality. The Mat-124G features a 6x6cm square format, which is popular among portrait and landscape photographers. It has a fixed 80mm f/3.5 lens with a maximum aperture of f/22. The camera has a waist-level viewfinder, which allows for precise composition and focusing. It also has a built-in light meter for easy exposure control. The Mat-124G is a fully manual camera, giving photographers complete control over their settings. It uses 120 roll film, which provides 12 exposures per roll. The camera has a sturdy metal body and a comfortable leatherette grip, making it a pleasure to hold and use. Overall, the Yashica Mat-124G is a reliable and versatile camera that is well-suited for both amateur and professional photographers.