Si Material Positive Meniscus Lens 632.8nm Low Spherical Aberration Lens
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... with another lens, a positive meniscus lens will shorten the focal length and increase the numerical aperture (NA) of the system without introducing significant spherical aberration. When used to focus a collimated beam, the convex side of the lens should...
Wuhan Star Optic Technology Co., Ltd
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Zero Spherical Aberration Aspherical IOL
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Aspherical Hydrophilic Acrylic Foldable IOLs with Zero Spherical Aberration Product Parameters: Product Model PCF60/A Material Hydrophilic Acrylic Optical Design Aspheric with zero aberration Optical Edge Design 360° Square edge Optical Diameter 6.0mm ......
Henan Universe Intraocular Lens Research and Manufacture Co., Ltd.
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Vertical Spherical Interferometer Optical Measuring Instrument For Optical Lens Inspection
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...Spherical Interferometer For Optical Lens Inspection Product Specification Product Model D100 Vertical Laser Interferometer Interference Principle Fizzy Effective Beam Diameter 4 inches (101.6mm) Test Wavelength LD Laser (635nm)/Imported HeNe Laser (632.8nm) Optical Path Switching Align/test electronic control switching, response frequency 0.5S System Detection Stroke 950mm/1250mm Standard Spherical Lens...
Yantai ZK Optics Co., Ltd.
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Ge Infrared Silica Spherical 1.5 To 300mm Half Ball Lens
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...spherical Ge germanium Infrared IR half ball silica spherical optical lens Aspheric lens surfaces are used to correct spherical aberration (where the converging light from a lens does not have a common focal point, resulting in a distorted image) in lasers and imaging. Traditional spherical lenses cannot collimate light effectively because even small angles of incidence can produce spherical aberrations......
Shanghai Advance Optical-Electronics Technology Co., Ltd
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Laser Machine F-theta Scan Lens / Laser Optical Lens High Precision
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...lens / laser optical lens / focus lens / field lens Quick Detail: laser f-theta lens can be used for laser marking and laser engraving, work with marking head(laser scanner). Description: Diameter Tolerance +0.0, -0.13mm Thickness Tolerance ±0.25mm Paraxial Focal Length ±2% Centration 3 arc minutes Clear Aperture >>80% Surface Figure λ/2 per 1” @632.8nm......
Beijing JCZ Technology Co. Ltd
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Diameter 2mm-200mm Magnifying Glass Lens Round Shape Magnifying Optical Lens
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...), not only is spherical aberration minimized, but also comadistortion, and chromatic aberration are identically canceled due to the symmetry. Biconvex lenses function similarly to plano-convex lenses in that they have a positivefocal length, and...
Miluo City Yufeng Photoelectric Science and Technology Co., Ltd.
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Half Achromatic 10X Objective Len Bright Dark Flat Field
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... of red and blue light. The imaging quality is much better than that of achromatic objective lens. It is a good choice in both imaging quality and economy to choose semi apochromatic objective lens in color micrograph. Suitable Scope : Widely used in...
Beijing PDV Instrument Co., Ltd.
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Precision N-bk7 Optical Glass Bi-convex Lens For Microscopes & Tools
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... N-bk7 Optical Glass Bi-convex Lens For Microscopes & Tools 1. Material & Manufacturing Optical Substrate: Schott N-BK7 borosilicate glass (standard reference 517642) Surface Precision: λ/4 surface accuracy @ 632.8nm 60-40 scratch-dig specification ......
Shanghai Longway Special Glass Co., Ltd.
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JGS1 38.1*9mm FL120 Fused Silica Compound Focusing Lens
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...both lenses are fused Silica. Both lenses are coated with AR-coating in both sides. In order to minimize spherical aberration, we usually advise our customers to use doublet-element spherical lenses assembly design. We strictly control the quality through...
Shaanxi Ruichen Optoelectronic Technology Co., Ltd.
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20.5mm Lens Achromatic Aplanatic 20X Eye Loupe Hex Triplet Type
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... have: The presence of traces of color(chromatic aberration)normally found at the outer edges of the lens;and visual distortion(spherical aberration), also usually at the outer edges of the lens. The triplet-type loupe is essential because it has been made...
Shenzhen Fable Jewellery Technology Co., Ltd.
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