Photography white must understand? 0 basic entry dry goods?

The focal length range is 135, and the focal length of the SLR lens corresponds to the viewing angle.

What is the focal length range?

The focal length range is the zoom range of the lens, that is, the zoom lens moves from wide angle.

Range to narrow angle (short focal length to long focal length). Refers to the zoom lens.

The span of the maximum and minimum focal lengths.

How to choose?

The first thing to pay attention to when choosing a lens is the focal length of the lens. Be clear about the mirror

For the focal length of the head, the photographer must first make clear his subject.

What is this?

If you focus on scenery or travel, you need to consider buying one.

Wide-angle lens, for beginners, the general focal length is 18~35mm.

The lens is enough;

If portraits are the mainstay, you need to consider buying telephoto or fixed focus.

Lens, novice, with a general focal length of 50 ~135 mm.

The lens is enough;

If you want to shoot small objects such as flowers and insects, you can choose.

Choose a macro lens with a focal length of100 mm.