Geographic photography knowledge?

Noun explanation: exposure-generally speaking, the operation of exposing film by shutter is called exposure, and the operation of exposing printing paper is also called exposure.

Contrast-refers to the degree of difference between depth and light and shade. Similar to the effect of TV contrast: when the contrast is large, the image contrast is large, and vice versa.

Depth of field-refers to the deep and clear range in the photo. When the light is strong, the aperture is small and the depth of field is large, and vice versa.

F4, F5.6, F8, ... are apertures. The larger the number, the smaller the aperture.

115,1/30,1/60,1125 ... is the shutter speed, and the higher the denominator, the faster the shutter speed.

When taking photos, you need to consider factors such as weather, time, season, environment (even geographical latitude and longitude). For example, on a sunny day in summer, around 10 in the morning (or at 3 pm), you can shoot "human scenery" with the aperture f 16 and the shutter1125.

When buying film, tear open the paper box containing film, and a simple exposure meter will be printed inside for reference.