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Compound Lens
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| Specifications |
0.2mm-600mm |
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We can produces all kinds of cemented Lenses, such as Achromatic cemented-double, Achromatic cemented-triple and Achromatic cemented-four etc.
Achromatic Doublets
ˇ§Computer-optimized for infinite conjugation
ˇ§Excellent performance
The achromatic-doublet consists of a positive low-index (crown glass) and a negative high-index (flint glass) lens. These lenses are computer-optimized for infinite conjugate ratio. They also exhibit excellent paraxial performance, with minimal spherical aberration, coma and chromatic aberration. When used for focusing or collimating, the convex lens or the smaller radius surface should face the collimated light, when used for imaging the convex lens should face the object or the image with that is farthest away.o:p>Large aperture achromatic lenses are air-***ced, and can be found under DH-0406.
Material: Optical glass (crown and flint)
Focal Length (f'): ˇŔ2%
Diameter (F): -0.10mm
Center Thickness (Tc): ˇŔ0.1mm
Centration: 3 arc minutes
Fringes: 1~5
Irregularity of Fringes: 0.1~0.5
Surface Quality: 20-10 scratch-dig
Coating: MgF2 AR coated
Clear Aperture: 90% ¦µ
Air-***ced Achromatic Doublets
The achromatic lenses with large aperture are air-***ced. All the air-***ced achromatic doublets show exceptional performance and provided with mounts.When used for focusing or collimating, the convex lens or the smaller radius surface always faces the collimated light, while used to image, the convex lens must be adjacent to the object or image with longer distance.
Material: Optical glass (crown and flint)
Focal Length (f'): ˇŔ2%
Diameter (F): -0.10mm
Center Thickness (Tc): ˇŔ0.2mm
Centration: 3 arc minutes
Fringes: 1~5
Irregularity of Fringes: 0.1~0.5
Surface Quality: 20-10 scratch-dig
Coating: MgF2AR coated
Clear Aperture: 90% ¦µ
For more information about our co***ny and our products, pls kindly visit our website: www.dhoptics.com
Contact person: Anita wu
Contact email: anitawu@dhoptics.com
MSN: anitawjx@ho***il.com |
| Company: |
Changchun Deheng Optics Co., Ltd
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| Contact: |
Ms. Anita wu |
| Address: |
1726,East South Lake Road |
| Postcode: |
130033 |
| Tel: |
+86-431-85202975 |
| Fax: |
+86-431-85202965 |
| E-mail: |
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