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  4. Optical Lens Double Convex Lens DCX BK-7 (Koyo Co., Ltd.)
Optical Lens Double Convex Lens DCX BK-7-DCX A FL4.5mm
Optical Lens Double Convex Lens DCX BK-7-Koyo Co., Ltd.

Optical Lens Double Convex Lens DCX BK-7
Koyo Co., Ltd.

Koyo Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

1.2hours

Very Fast Response

About This Product

Double-convex lenses (DCX) have a positive focal length and are primarily used for image magnification and light focusing applications. Biconvex lenses with double-sided convergence ratios are considered the most useful among single lenses for the purpose of forming conjugate images with magnifications within approximately 5x (or 1/5x). When the distance from a 1:1 conjugate ratio lens to the object and image is twice the focal length, coma, torsion, and lateral chromatic aberration are almost eliminated. At magnifications of 5x or more, infinity image formation occurs. Therefore, it is recommended to use a plano-convex lens.

■Material: BK-7

BK Group glass has been widely used for a long time because it has good light transmittance up to short wavelengths, has few bubbles, striae, and discoloration, and is hard and scratch-resistant. Among them, BK7 is a relatively hard glass that is scratch resistant, easy to handle, and does not require any special treatment when polishing. The bubbles and inclusions contained in BK7 are 0.029 mm2 per 100 cm2, and it has good transmittance for wavelengths above 350 nm.

  • Product

    Optical Lens Double Convex Lens DCX BK-7

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1 Models of Optical Lens Double Convex Lens DCX BK-7

Image Part Number Price (excluding tax) Diameter (mm) Product number Center thickness Edge thickness (mm) FL (mm) BFL (mm) Code
Optical Lens Double Convex Lens DCX BK-7-Part Number-DCX A FL4.5mm

DCX A FL4.5mm

$ 26.00〜

5

1111

2.5

1

4.5

3.5

221

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About Company Handling This Product

Koyo Co., Ltd.

Response Rate

100.0%

Response Time

1.2hrs

  • Japan

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Optical Lens
Optical Lens　Koyo Co., Ltd.
Koyo Co., Ltd.

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