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Dowell prism has a very unique performance – if you observe through the prism and rotate around the longitudinal axis, the resulting image rotation angle

What is a pyramid prism? The pyramid prism, also known as the Paul prism, is an optical element used in optical instruments and is a

Achromatic lenses (glued lenses) are used to minimize or avoid chromatic aberration. Its achromatic design also helps to minimize spherical aberration. Achromatic lenses are suitable

Roof Prisms is commonly used in extremely compact binoculars because of its small size and the ability to align the objective lens and eyepiece in

Optical filters are the main components of biomedical instruments. In order to ensure the accuracy of diagnosis and analysis, filters require high narrowband bandwidth and

Because achromatic lenses focus colors at the same point, they allow the user to fully focus the image. Compared to uncorrected singlet lenses, achromatic lenses

The optical system is not coated, and due to interface reflection, the transmitted light energy is very weak, reducing the imaging quality and resolution of

A filter is an optical element used to select the desired radiation band, which absorbs certain wavelengths, making the object darker. These are flat glass

Concave and convex lenses can be further subdivided into many different types, including spherical lenses with circular surfaces, aspherical lenses with curved but aspherical surfaces,

Prisms are solid glass optics that are sanded and polished to form geometrically and optically distinct shapes. Angle, position, and optical flat crystal count help