2024年2月16日 · A diaphragm (or iris or iris diaphragm) is a mechanism in a camera that makes a variable aperture to control the intensity of light that passes through the lens. Along with …

The easiest way to adjust the aperture is by putting the camera in aperture priority mode. On the main control wheel of the camera, or in the menu of the camera, this mode is indicated by 'A' …

The aperture of the diaphragm is what regulates the amount of light that passes through our objective towards the camera sensor. The diaphragm is part of any lens, and is made up of a …

This chamber conceals a photosensitive surface: a film strip or, in digital cameras, an image sensor. For a camera to produce a legible image, this surface must be protected until it is …

Diaphragm control in cameras allows the photographer to change the size of the opening in the lens when a picture is being taken. It works by using an array of blades within the lens which …

A diaphragm (or iris or iris diaphragm) is a mechanism in a camera that makes a variable aperture to control the amount of light that passes through the lens and exposes the film or image …

The aperture of the diaphragm is what regulates the amount of light that passes through our lens towards the camera sensor. The diaphragm is part of any objective, and is composed of a …

2024年12月23日 · The automatic diaphragm, although it had been around for decades, is just as important to modern SLR cameras as auto focus, auto exposure and image stabilization. …

2014年12月18日 · Inside a lens there is a special device which regulates the diameter of the aperture (opening), allowing light to pass through to the light-sensitive element (image sector) …

Often the diaphragm is also called ' luminous efficiency ' or 'aperture' or 'relative hole' or ' number F '. These concepts are strongly related to each other and are synonymous for many …