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Diameter: 6 mm - 50.8 mm
Wavelength: 587.6 nm
An achromatic-doublet consists of a positive low-index(crown glass)cemented with a negative high-index(flint glass)lens. These lenses are computer-optimized for infinite conjugate ratio. ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 6 mm - 100 mm
Wavelength: 450 nm - 1,100 nm
... the lens. The optimum case is where the object is placed at infinity (regarded as parallel rays entering lens) and the image is on the focus, which has infinite conjugate ratio, i.e. object distance/image ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 6 mm - 50.8 mm
Similar to plano-convex lenses, a bi-convex lens has a positive focal length and focuses parallel rays of light to a spot. Because the front and back surface of the lens are spherically convex and have ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 6 mm - 50.8 mm
Wavelength: 587.6 nm
A plano-concave lens diverges parallel input rays. It has a negative focal length. While the output rays do not actually meet to form a point, they do appear to be diverging from a virtual image located on the object ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 6 mm - 50.8 mm
Wavelength: 587.6 nm
Similar to plano- concave lenses, a bi-concave lens diverges parallel input rays and has a negative focal length. It has a virtual focus at the object side of the lens. Bi-concave lenses are usually suitable ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 25.4 mm
An achromatic-doublet consists of a negative low-index(crown glass)cemented with a positive high-index(flint glass)lens. These lenses are computer-optimized for infinite conjugate ratio. ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 25.4 mm
Similar to a Plano-Convex lens in profile, but only as a cylinder instead of a sphere, this cylindrical lens focuses light only in one dimension. It can also transform a point image into a line image ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 25.4 mm
Wavelength: 587.6 nm
Similar to a Plano-Concave lens in profile, but only as cylinder instead of a sphere, this cylindrical lens focuses light only in one as a cylinder dimension. It can be used with cylindrical plano-convex ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 5, 10 mm
Rod Lenses are polished on the circumference and ground on both ends. It is similar to a Plano-Convex cylinder lens. Collimated light passing through the diameter of the rod will be focused into a line. • Dimension ...
Daheng New Epoch Technology,Inc(CDHC)
Diameter: 5, 10 mm
Rod Lenses are polished on the circumference and ground on both ends. It is similar to a Plano-Convex cylinder lens. Collimated light passing through the diameter of the rod will be focused into a line. • Dimension ...
Daheng New Epoch Technology,Inc(CDHC)
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