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Achromatic Lenses Dia19*5.5Mmct Fd=236.67Mm

Supplier From China
Apr-25-19

Item: achromatic lenses

Material: H-BaF8/H-K9

Size: Dia19*5.5(1.5+4)mm

Focal length: Fd=236.67mm

Radius: 172.19/21.88/-92.90mm

Surface quality: 60-40

Flatness: 2 lambda

Coating: BBAR@590+/-50nm

Price and Minimum Quantity

Price: $40.00
MOQ: Not Specified

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Achromatic Lenses are used to minimize or eliminate chromatic aberration. The achromatic design also helps minimize spherical aberrations. Achromatic Lenses are ideal for a range of applications, including fluorescence microscopy, image relay, inspection, or spectroscopy. An Achromatic Lens, which is often designed by either cementing two elements together or mounting the two elements in a housing, creates smaller spot sizes than comparable singlet lenses.
Specification

Material Crow glass & Flint glass
Diameter 6.0mm-200mm
Diameter Tolerance ±0.1mm
Thickness 5mm-50mm
Thickness Tolerance ±0.05mm
Surface Quality 60/40 40/20
Surface Flatness lambda~lambda/8
Bevel 0.25mm*45°
Centration  < 3arc min
Coating  as the customer's requirement
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The achromatic lens composes of two cemented elements , the kind of lens is designed to limit the effects of chromatic and spherical aberration.
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Achromatic lenses are cemented with two lenses mainly used to reduced values of spherical aberration, coma, and chromatic aberration. Sunday offer positive achromatic lenses and negative achromatic lens with coatings
Structure doublet lenses
Material Optical glass, UVFS,Germanium, Silicon,CaF2,MgF2,ZnSe ZnS,Sapphire
Diameters Available 0.1mm to 600mm D: Customer Design.
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Achromatic lens
Achromatic lenses are cemented with two lenses mainly used to reduced values of spherical aberration, coma and chromatic aberration. Sunday offer positive achromatic lenses and negative achromatic lens with coatings.

Material Optical glass
Dia.1-600mm
Surface quality:20-10
Flatness:1/20lambda.
Centration
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Achromatic triplet lenses minimize Seidel aberrations, usually by gluing three lenses together or mounting three lenses in a housing. Suitable for measurement and imaging applications such as projection, photography, fluorescence microscopy, image relay, inspection, spectroscopy, etc. After milling, fine grinding, grinding and polishing, the single lens in the glued lens can reach the optical surface accuracy â?¤0.1 micron, and the surface roughness Raâ?¤0.01 micron. The three lenses are glued to three lenses, and the achromatic triplet lens is glued by using a centering device with a curing device with UV photosensitive adhesive for precision bonding and eccentricity testing.

Specifications of Achromatic Triplet Lenses
Achromatic Triplet Lenses product parameter table
Project Indicator requirements
1.Material A variety of high and low refractive index optical glass, ultraviolet fused quartz elements, optical quartz and other materials
2.Outer Diameter Round OD 300mm, Square L W 210 210mm ±0.05mm
3.Center Thickness T100mm 0.02 or according to customer requirements
4. Effective focal length according to customers needs
5. Working distance according to customers needs
6. Design wavelength according to customers needs
8.Coating AR anti-reflection coating R < 0.5%@ nm according to customers needs
9.eccentricity according to customers needs
10. Effective aperture ED 90% aspherical area
11. Surface Shape Ultra-high precision Rt 0.1 m, high-precision Rt 0.5 m, precision Rt m
12.Surface quality 60-40, 40-20, 20-10, 10-5
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Nov-23-15
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