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What has the author W A Douthwaite written?
W. A. Douthwaite has written: 'Contact lens optics and lens design' -- subject(s): Contact lenses, Optics, Physiological optics 'Contact lens optics' -- subject(s): Contact lenses, Optics, Physiological optics
What is the thick lens equation used for in optics?
The thick lens equation is used in optics to calculate the focal length of a lens that is not thin, taking into account the thickness of the lens itself.
Whats the difference between thick and thin lens?
A thick lens has varying thickness across its surface, which affects how light is refracted. A thin lens is assumed to have a uniform thickness, simplifying calculations in optics. Thick lenses can produce more complex optical effects compared to thin lenses.
What the difference between objective lens and the ocular lens when using a microscope?
the name
What is the difference between a thick convex lens and a thin convex lens?
A thick convex lens has a larger thickness and can bend light rays more than a thin convex lens. This results in a shorter focal length and stronger focusing ability for a thick convex lens compared to a thin convex lens.
What is the difference between Oakley half jacket 2.0 and 2.0xl?
The lens size is the only difference the XL have a bigger lens.
How is lens and mirror alike?
Both use the principle of optics.
What is the focal distance formula used in optics to calculate the distance between the focal point and the lens or mirror?
The focal distance formula in optics is 1/f 1/do 1/di, where f is the focal length, do is the object distance, and di is the image distance. This formula is used to calculate the distance between the focal point and the lens or mirror.
What is the difference between lense and lens?
There is no difference between lense and lens. All is the same.
What is the difference between a 1.4 and a 1.8 lens?
The main difference between a 1.4 and a 1.8 lens is the aperture size. A 1.4 lens has a larger aperture, allowing more light to enter the camera compared to a 1.8 lens. This means the 1.4 lens can produce brighter images and better low-light performance.
What is lens distance?
Lens distance typically refers to the distance between the optical center of a lens and the focal point, which is where light rays converge. It is an important parameter in optics that determines the magnification and image formation of the lens. The lens distance is influenced by the curvature and refractive index of the lens.
What is the price different between 1.67 lens and 1.74 lens?
It's about a $300-400 USD price difference.
