Traditional Culture Encyclopedia - Photography and portraiture - Besides QQ interception, what other convenient computer interception methods are there?

Besides QQ interception, what other convenient computer interception methods are there?

Many friends have a soft spot for large aperture lenses. In fact, Leica has many classic large aperture fixed-focus lenses, such as M series 28mm f/ 1.4, 35mm f/ 1.4, 50mm f/2, f/ 1.4 and even f/0.95. When the aperture is fully open, they have a fantastic Jiao Wai.

So, how to better use the large aperture lens to create an intoxicating shallow depth of field effect?

The above picture and cover picture are from Junfeng fan @Ken.

First of all, we need to know what factors affect the depth of field.

Is the aperture, the focal length of the lens, and the distance from the subject. Let's explain it in turn.

1

hole

There is no specific description of what kind of aperture can achieve fantastic blur effect, but in general, we think that apertures like F 1.4, F2 and F2.8 are more likely to produce shallow depth of field effect.

If you have used Leica's luminous lens-luminous light 50/0/95, then you can really know what is called "a dream product", the facula effect, and the soft Jiao Wai that is about to melt, which is really difficult for ordinary lenses to do.

Leica M240+50/0.95, made by DC watch

2

focal distance

The effect of background blur is actually related to the focal length of the lens. Under the same conditions, telephoto is more likely to produce shallow depth of field than wide angle.

For example, with the same aperture and the same distance from the subject, the background blur effect of 90mm lens is definitely better than that of 28mm lens.

Under F2 aperture, 28 and 35 Jiao Wai are compared.

Upper lens 28/ 1.4, lower lens 35/2.

This is of great reference significance when shooting portraits.

If you want to take a full-length portrait, it is difficult to take a wide-angle blurred background. You need a larger aperture than f/ 1.4. If you shoot a full-length portrait with 90mm, the f/2.8 background may be blurred, but if you shoot with 90mm, you need to stand a little farther and shoot the whole body.

Leica R 90f2, by Dr. Kitchen

three

distance

Besides the aperture and focal length, there are also "the distance between the model and the camera" and "the distance between the model and the background" that affect the depth of field. Grasping these two points, we can make the background blur effect of the photo achieve our goal as much as possible.

In other words, other conditions being the same, the closer the lens is to the model, the easier the background will be blurred.

The picture comes from the internet.

But when you are close, you should also pay attention to the nearest focal length of the lens, otherwise the focus will not be clear.

The nearest focal length of a conventional M lens is generally 70cm. After adding the macro adapter ring, some shots can even reach 10 cm or more recently, and the background blur is extremely rich. Leica MM246+75/2+ macro adapter ring, powered by Junfeng fan.

You can also keep the distance between the camera and the model unchanged and change the distance between the background and the model to shoot.

It can be seen that the farther the distance between the background and the characters is, the greater the blur is; As the characters get closer to the background, the blur becomes smaller and smaller.

The picture comes from the internet.

When shooting in a cluttered environment, if the companion's position is too close to the subject, the blur effect of Jiao Wai may not be obvious.

When focusing manually, because the distance between them is too close, focusing may even go wrong. At this time, you should try to open other messy objects or open a larger aperture to make the depth of field shallow.

Leica M3+50/2 by Masaji Shimizu

Leica M240+50/0.95, F 1.4, made of DC watches.

four

Shooting skill

In addition, there are some shooting suggestions when shooting with large aperture.

You can choose a shiny foreground or background.

Jiao Wai blur In addition to blurred images, objects that emit flashing light spots can also make the images more blurred. Adding such a small lamp to the foreground or background of the subject will also make the picture more vivid and beautiful.

Luminous lamp m, F 1.4, by Sean sweeney.

Leica 90 f/2.2 replica full aperture effect, shot by Junfeng Orson physical store.

Focus of attention

The shallow depth of field brought by a large aperture can easily blur the background, even the subject, so you must pay attention to the focus position when shooting, and you will lose focus if you move a little.

When shooting portraits, the main focus is generally the human eye.

Leica M240+75/ 1.25, made by DC watch

Don't blindly pursue large aperture

Although large aperture is good, not all scenes are suitable to be described by large aperture and shallow depth of field. Many times, we also need a small aperture.

For example, when the light is too strong, a small aperture is generally needed; Many street shooting scenes need to focus quickly and tell the story clearly; For example, shooting light tracks, stars and mountains and other special themes.

F8 summilux-m 50mm by Kayin.

Hasselblad X 1D+XCD30 lens, f/6.3, ISO 100, Haitong.

However, there are many theories and techniques, and the key is to rely on practice. The same scene, multiple angles, take a shot at a different distance, and you will soon realize the difference.

If you like the article, please forward it to other friends who like photography ~