Fisheye lens: features of use

Various tools are used to create interesting effects in the pictures and make them more expressive. For example, unusual lenses. A fish eye, or a fish eye, is a type of short-focus, ultra-wide-angle barrel barrel distortion lens.

fisheye camera

What is distortion?

These are geometric distortions that can occur in a photograph, curvature of lines and objects. The most common option is barrel-shaped, the lines seem to bend outwards, and the objects become convex. Pincushion distortion is the opposite effect, objects begin to give the impression of concave.

fish eye

Otherwise, barrel distortion is also called positive, and pincushion - negative. In classical photography, distortion is a marriage, so photographers try to prevent it from occurring. Special corrective lenses are embedded in wide-angle lenses to avoid this effect.

However, if the distortion works on the tasks of the photographer, then it can be an interesting artistic device, a way to get unusual, bright pictures.

Fish eye (lens) characteristics

The main difference of this lens is the angle of view. It is at least 180 degrees, so in one frame it becomes possible to fit half the space. It is believed that the fish sees exactly the objects, why the name has stuck - the “fisheye effect”.

The next characteristic is focal length. It is short, 6-15 mm.

Blends for such lenses of very small size or are not used at all. This is due to the fact that due to the huge angle of view of the lens hood can get into the frame. Also, the traditional installation of the filter on the fish is impossible.

Lens Varieties

There are two types: circular and diagonal. The circular fisheye (lens) gives a circular perspective, but the image does not completely fill the frame. Along the edges of the frame on the full-frame camera you can see that part of the image is missing and replaced with black corners. This type of lens is used only in the applied areas of photography (for example, meteorology).

Diagonal type is otherwise called full frame. The image from such a lens fills the entire frame; this is achieved by slightly reducing the viewing angle. This type of lens is the most popular.

The history of the lens

The term "fisheye" was introduced by the American physicist Robert Wilms Wood, who was the first to think about how a fish can see the world around it. He speculated and conducted an experiment involving a sealed box filled with water and containing a small hole. The first photos taken with this box, saw the light in 1906.

The fisheye lens has been used since the 1920s, and has been used in meteorology for surveying clouds. Also, lenses were needed for astronomical surveys.

Today, there are already dozens of similar lenses, the viewing angle of individual models reaches 220 degrees, and the scope of their use has expanded significantly. In addition to the lens, there is also a fisheye camera. These are panoramic models with a 360 degree viewing angle.

In the USSR, the first photographer who used such a lens for his work was L. Borodulin.A., master of sports photography.

Why use the effect of "fish eye"?

Lenses with this effect are often used for shooting extreme sports, this makes it possible to show in the frame not only the athlete himself, but the whole stunt. In this case, you can shoot from a short distance.

The lens is good for shooting spherical panoramas. You can find the use of such a lens for interior photography, especially when it comes to small areas and narrow spaces (corridors, bathrooms). If you need to create a virtual 3D panorama, you can’t do without fishes too.

To achieve a comedic effect when shooting portraits of people or animals, they also use such lenses. Amusing and bright frames turn out.

fisheye effect

To summarize, this lens provides an opportunity to see familiar things from an unusual point of view, and this can be very interesting. You can take pictures of architecture, landscape, trees from unusual angles. Strange pictures cause a very lively and emotional reaction from the audience.

fisheye lens

You can shoot people, for this person you need to be placed in the center of the frame and move away from him.A human figure will turn out at the same time in full growth, small in size and without distortion, but the space around the object of the survey will be very interesting to bend.

How to choose the right lens

If you decide that you need a fisheye lens, then here are some tips to help avoid frustration after purchase.

Consider the size of the matrix of your camera, buying a lens. For a full-frame camera, a focal length of 15-16 mm will suffice, for a camera with a crop matrix, a lens with a focal length of 8-11 mm will be required.

Of the existing two types of lenses - diagonal and circular - the first is the most preferred. Examples of suitable lenses: Canon EF 15 mm F / 2.8 Fish-eye, MS Zenitar-M.

fisheye lens

This lens is unlikely to become your main working lens, too narrow the scope of its use.

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