Photographic English

The English for taking pictures is "photography".

1. The definition of photography

Photography refers to the process of recording images with photographic equipment. It includes the process of capturing images with a camera, processing negative or digital images, and finally outputting photos. Photography is a combination of art and technology, which records and conveys information by capturing light and images.

2. The historical development of photography

The development of photography can be traced back to the beginning of19th century. The earliest photography method was to focus the light on a certain place with a black box to form a reflection. With the development of science and technology, photographic equipment is constantly improving, and the appearance of large negative cameras to portable digital cameras makes photography more convenient and popular.

3. The importance and application fields of photography

Photography plays an important role in contemporary society and is widely used. It can be used to record important moments in life, such as weddings, graduation ceremonies and family gatherings. In addition, photography is also widely used in commercial fields, such as advertising photography, product photography and news photography, as well as celestial photography and micrography in scientific research.

4. Key points of photography technology

The technical points involved in photography are exposure, focusing, aperture, shutter speed and ISO. Exposure refers to controlling the amount of light received by the camera's photosensitive materials or sensors. Clear, bright and layered photos can be obtained through appropriate exposure. Focusing is the process of adjusting the lens to make the subject clear, which can be achieved by automatic focusing or manual focusing.

Aperture controls the amount of light in the camera lens and determines the depth of field. Shutter speed is the time to control the opening and closing of the shutter, which is used to determine the blur degree of moving objects in the image. ISO is a setting that controls the sensitivity of the camera, and can adjust the sensitivity of the camera to light.

5. The artistic value of photography

As an art form, photography has rich expressive force and creativity. Photographers can express their visual concepts and emotions through composition, light and shadow, color and post-processing. Different styles and themes, such as portrait photography, landscape photography and documentary photography, can show unique artistic value and aesthetic point of view.

6. The development trend of photography

With the progress of science and technology, photography technology is constantly developing and innovating. The appearance of digital photography makes photography more convenient and popular, and the development of post-processing software also provides photographers with more creative space. In addition, the popularity of mobile devices enables everyone to become a photographer, and the rise of social media also provides a platform for the public to share and enjoy photos.

Summary:

Photography is a technical and artistic field, which records and conveys information by capturing images. It has important applications in personal life and business, and also has rich artistic value. With the progress of science and technology, photography technology is constantly innovating, which provides more possibilities and convenience for photographers and the public.