Search results for keyword: photographic
How Polarizing Microscopes Work
偏光显微镜的工作原理
Polarized light microscopy is a technique that relies on the polarization of light to analyze and visualize microscopic objects. A polarizing light microscope is an optical instrument used to study the microscopic structure of a sample. The polarizing microscope uses polarized......
20/06/2023 
1042 
Sophie
Applications of Phase Contrast Metallographic Microscopy
Introduction
Gold metallurgy or gold metallography is a tool used to study thermal, mechanical, and physical properties of metals and other materials. Gold metallurgy is an essential part of materials science, as it helps engineers to analyze and develop materials to meet their needs. Gold metall......
The color forming principle of color film
The Principles of Color Film
In photography, color film is a modern phenomenon that allows for color pictures to be taken and developed into prints. The principles of color film are based on the human eye’s ability to perceive color. The human eye has three ‘cones’ in the retina that are sensi......
Types of photosensitive materials
Categories of photographic Materials
photographic materials are used in many areas to capture images. Depending on its application, there are several categories of photographic material available. Below is an overview of the various types of photographic materials available.
Film
Film is one of ......
photosensitive film speed
Sensitivity of Film photographic Emulsion
photographic emulsion is the emulsion coating applied to film base, composed of silver halide layered particles suspended in a colloidal medium. The silver halide particles are light sensitive and with the help of initiating agents an exposure of light wi......
Color Sensitivity of photographic Negatives
Sensitivity of photographic Film
photographic film is the medium used most often today in photography. However, because digital photography has become more and more affordable and accessible, it is not as widely used for still and motion picture photography as it once was. Nonetheless, film still......
Laws of Lens Imaging in Iron and Steel Metallographic Experimental Technology
Introduction
The principle of lens imaging in steel metallographic testing technology is for accurately analyzing the microstructure and performance of materials. In order to measure the size and shape of a small object (metallographic specimen) accurately and quickly, the magnifying power of opt......
black and white film image formation process
The Process of Forming Black and White Images
Have you ever wondered how black and white images are formed? What allows us to look back in time and bring to life old photos from days gone by? This is all thanks to a process known as an analog photographic process. Most photos we take today are di......
Exposure of color negatives
Exposure of Color Negative Film
Photographers have been using color negative film for years for their artistic and professional purposes. Color negative film is an important part of the traditional photographic process, as it allows photographers to capture images with a variety of colors and ton......
Exposure of negatives
Exposure in photography is the amount of light that reaches the photographic film or detector. It is the direct result of the light intensity, shutter speed and aperture size of the lens. Exposure is one of the most important aspects of taking photographs, and it impacts the overall look and feel ......
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