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Page 5 - Aspherical

LAQ0405 - Precision grade aspheric lenses AR coated
Knight Optical (UK) Ltd
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LAQ0405 - Precision grade aspheric lenses AR coated
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Traditionally lens surfaces have been sections of a sphere. For many applications this leaves spherical aberration as the dominant defect of any image so created.   Aspheric lenses are used to correct these image defects.  One solution to this is to have one or both surfaces, departing from the spherical shape. ...

Specifications
Diameter: 6.33 mm
Material: Borosilicate
Effective Focal Length: 4.02 mm
Numerical Aperture (NA): 0.60
Wavelength Range: 300-2000nm
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LAQ0305 - Precision grade aspheric lenses AR coated
Knight Optical (UK) Ltd
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LAQ0305 - Precision grade aspheric lenses AR coated
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Traditionally lens surfaces have been sections of a sphere. For many applications this leaves spherical aberration as the dominant defect of any image so created.   Aspheric lenses are used to correct these image defects.  One solution to this is to have one or both surfaces, departing from the spherical shape. ...

Specifications
Diameter: 6.33 mm
Material: H-ZLaF52
Effective Focal Length: 3.10 mm
Numerical Aperture (NA): 0.68
Wavelength Range: 400-700nm
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LAQ1107 - Precision grade aspheric lenses AR coated
Knight Optical (UK) Ltd
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LAQ1107 - Precision grade aspheric lenses AR coated
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Traditionally lens surfaces have been sections of a sphere. For many applications this leaves spherical aberration as the dominant defect of any image so created.   Aspheric lenses are used to correct these image defects.  One solution to this is to have one or both surfaces, departing from the spherical shape. ...

Specifications
Diameter: 7.20 mm
Material: H-LAK54
Effective Focal Length: 9.64 mm
Numerical Aperture (NA): 0.30
Wavelength Range: 350-2000nm
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LAQ0805 - Precision grade aspheric lenses AR coated
Knight Optical (UK) Ltd
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LAQ0805 - Precision grade aspheric lenses AR coated
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Traditionally lens surfaces have been sections of a sphere. For many applications this leaves spherical aberration as the dominant defect of any image so created.   Aspheric lenses are used to correct these image defects.  One solution to this is to have one or both surfaces, departing from the spherical shape. ...

Specifications
Diameter: 6.51 mm
Material: H-LAK54
Effective Focal Length: 7.50 mm
Numerical Aperture (NA): 0.30
Wavelength Range: 350-2000nm
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LAQ0505 - Precision grade aspheric lenses AR coated
Knight Optical (UK) Ltd
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LAQ0505 - Precision grade aspheric lenses AR coated
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Traditionally lens surfaces have been sections of a sphere. For many applications this leaves spherical aberration as the dominant defect of any image so created.   Aspheric lenses are used to correct these image defects.  One solution to this is to have one or both surfaces, departing from the spherical shape. ...

Specifications
Diameter: 6.00 mm
Material: H-LAK54
Effective Focal Length: 4.60 mm
Numerical Aperture (NA): 0.53
Wavelength Range: 350-2000nm
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LAQ0304 - Precision grade aspheric lenses AR coated
Knight Optical (UK) Ltd
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LAQ0304 - Precision grade aspheric lenses AR coated
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Traditionally lens surfaces have been sections of a sphere. For many applications this leaves spherical aberration as the dominant defect of any image so created.   Aspheric lenses are used to correct these image defects.  One solution to this is to have one or both surfaces, departing from the spherical shape. ...

Specifications
Diameter: 4.50 mm
Material: N-BK7
Effective Focal Length: 3.30 mm
Numerical Aperture (NA): 0.47
Wavelength Range: 350-1100nm
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Fused Silica Aspherical Lens
Chang Chun Bo Xin Photoelectric Co., Ltd.
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Fused Silica Aspherical Lens
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Asphperical lenses have different radius of curvature from surface center to edge, so aspherical lenses can eliminate spherical aberrations as well as the error which other spherical lenses can not eliminate, promote spotlight accuracy rate. At the same time, an aspherical lens has a simple construction, an aspherical lens can ...

Specifications
Diameter: 400 mm
Material: FS
Effective Focal Length: 1000 mm
Numerical Aperture (NA): >90%
Wavelength Range: 100-1200nm
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