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Why Do DSLR Cameras Use Penta Prism?
May 11, 2023
Why Do DSLR Cameras Use Penta Prism?
Nowadays, people are very familiar with DSLR cameras, which are single-lens reflex digital cameras. The principle of DSLR cameras is to use a single lens for framing and the light is projected onto a ...
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Applied Optics - Spatial Images of Optical Systems
May 10, 2023
Applied Optics - Spatial Images of Optical Systems
In fact, many optical systems image objects in space on an image plane, called the space image on the plane, such as telescopic objective lens, photographic objective lens, etc., belong to this catego...
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Optical Properties of Prisms
May 04, 2023
Optical Properties of Prisms
Optical prism is a special lens with unique optical properties, which produces certain optical effects and directional characteristics through its structural features, and is worthy of research and ap...
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Six Parameters of Long Wave Pass Narrow Band Optical Filter
Apr 21, 2023
Six Parameters of Long Wave Pass Narrow Band Optical Filter
The so-called narrow band optical filter is subdivided from the bandpass filter, and its definition is the same as that of the bandpass filter. It allows light signals to pass through a specific wavel...
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Linear Variable Filter (LVF)
Apr 11, 2023
Linear Variable Filter (LVF)
The so-called linear variable filter is "linear" because its spectral characteristics are different at different positions and change linearly with the change of spatial position. Linear var...
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Properties and Selection of Cylinder Lens
Apr 06, 2023
Properties and Selection of Cylinder Lens
Cylinder lens is non-spherical lens that can effectively reduce spherical aberration and chromatic abernration whe useIn fact, they have a significant impact. Generally, there are different types, suc...
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Why Do Cameras Use Penta Prism Instead of Two-Way Mirror?
Mar 09, 2023
Why Do Cameras Use Penta Prism Instead of Two-Way Mirror?
Prisms are usually cut and ground from a solid piece of glass, and then coated with reflective materials on all surfaces except for the two that connect to the focusing screen and viewfinder. This cre...
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Factors to Consider When Choosing Optical Filter Films
Mar 02, 2023
Factors to Consider When Choosing Optical Filter Films
As is known to all, optical filter films can adjust the molecular structure by different colors, so as to change the refractive index of the material and adjust the light transmission rate. The absorp...
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