What does SLR camera Quan Huafu mean?

Quan Huafu is a specification with a photosensitive area of 36×24 mm

Quan Huafu aims at the size of traditional 135 film. In the past, the CCD size of most digital SLR cameras was smaller than that of 135 film, while that of Quan Huafu digital SLR (or CMOS photosensitive imaging element) was the same as that of 135 film. The larger the CCD size, the higher the imaging quality.

Extended data

In cameras using 35mm (model 135) film, there are two types: full 36mm*24mm Quan Huafu and only 18mm*24mm semi-film. The exposure frame sizes of these two negatives correspond to the double-frame and single-frame models used in 35mm film cameras respectively.

In SLR digital cameras, many of them have CCD/CMOS dimensions close to 35mm, such as Nikon D 100, and the CCD/CMOS size area reaches 23.7 x 15.6, which is much larger than consumer digital cameras. The CMOS size of Canon EOS- 1Ds is 36 x 24mm, reaching an area of 35mm, so the imaging is better.

Baidu Encyclopedia-Quan Huafu