What do Minolta film camera file A, file B and file P mean respectively?

A file is aperture priority, that is, setting an aperture value, and the camera automatically adjusts the shutter speed according to the environment to match.

B file is a manual long exposure, that is, when you press the shutter, the shutter will always open for exposure, and when you let go, the shutter will automatically close. Generally, mechanical cameras or electronic film cameras can only keep the shutter for 30 seconds at most. If a long exposure takes more than one minute or even half an hour, such as shooting stars with a small aperture on the grassland at night, it usually takes more than ten minutes to expose, which is beyond the automatic detection range of the camera and requires manual operation.

P file is program priority, that is, the camera automatically adjusts the aperture and shutter value according to the environment, which can be changed manually, as long as it finally meets the value obtained by camera photometry. For example, if the camera measures light in P position, the aperture is 5.6 and the shutter is 1000, then you can adjust the aperture to 8 and the camera will automatically adjust the shutter to 500. You can also adjust the shutter. For example, if it is 250, the aperture is 1 1, and it will remain constant unless you re-measure the light.

Konica Minolta Office System (China) Co., Ltd. is the sales and service company of office equipment under Konica Minolta Group in China.

In today's IT society with accelerated evolution, the office environment has also undergone tremendous changes.

Network has gradually become a necessity of life; With the development of large-capacity information demand, it is a trend for documents to be colored and electronic. Collaborative work mode is becoming more and more common.

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