SIGMAKOKI

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SLB-P(φ50.8~φ100)
Diameter φD
Focal length f
Edge thickness te
Center thickness tc
Back focal length fb
Radius of curvature r
Centration
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These are simple lenses having a flat surface on one side and a spherical surface on the other. They are also very close to the form which minimizes spherical aberration for infinite conjugate applications. Our glass lenses are made from the highest grade of optical glass. We have a vast range of different diameters and focal lengths. The lenses listed here are standards. Please call if you do not see the lens you need. We have both larger and smaller lenses and many other diameters to choose from. However, we do try to keep these standards available for quick delivery.

◦There are three types of plano convex lenses available; BK7 for use in visible range to infrared wavelength range.
◦BK7 lenses are also available with three types of anti-reflection coatings, visible wavelength range, in the near-infrared range and in the infrared range.
◦Our lenses are listed by outside diameter and focal length to assist your selection according to required specifications.

Related product
Products
Technical Data
Documents/Downloads
Guide

▶Lenses are available in a large selection and in custom sizes and focal lengths.
▶In addition to our standard coating we offer custom anti-reflective coating at specific wavelengths.
▶Achromatic lenses (DLB) which are chromatic aberration correction are also available.
W3075
▶Please refer to here for Wavelength Characteristic Data (Reference Data, EXCEL file format).

Attention

▶Plano convex lenses have a positive focal length and can be used in focusing and collimating applications.
▶The plano convex lens has chromatic aberration, and the focal length will vary depending on the wavelength. Please check the “wavelength characteristic of the focal length data” on “Technical Data” for the focal lengths of each wavelength.
▶Transmissions losses due to reflection off the front and rear surfaces of the lens can be minimized by coating the surfaces. Consult our Sales Division for anti-reflection coatings suitable for your application.

Common Specifications
MaterialBK7
Design Wavelength546.1nm
Refractive index ne1.519
CoatingUncoated
Clear aperture90% of the diameter
Surface Quality (Scratch-Dig)20-10
Outline Drawing

Zoom
Schematic

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Typical Transmittance Data

Zoom
T: Transmission
Reference Data
Spec
Compare
Part Number
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    JP Yen Stock Qty
SLB-50.8-70P
SLB-50.8-80P
SLB-50.8-90P
SLB-50.8-100P
SLB-50.8-120P
SLB-50.8-150P
SLB-50.8-170P
SLB-50.8-200P
SLB-50.8-250P
SLB-50.8-300P
SLB-50.8-400P
SLB-50.8-500P
SLB-50.8-700P
SLB-50.8-1000P
SLB-60-70P
SLB-60-80P
SLB-60-90P
SLB-60-100P
SLB-60-120P
SLB-60-150P
SLB-60-170P
SLB-60-200P
SLB-60-250P
SLB-60-300P
SLB-60-400P
SLB-60-500P
SLB-60-1000P
SLB-80-100P
SLB-80-150P
SLB-80-200P
SLB-80-250P
SLB-80-300P
SLB-80-350P
SLB-80-400P
SLB-80-500P
SLB-80-700P
SLB-80-800P
SLB-80-1000P
SLB-100-150P
SLB-100-200P
SLB-100-250P
SLB-100-300P
SLB-100-350P
SLB-100-400P
SLB-100-500P
SLB-100-600P
SLB-100-700P
SLB-100-800P
SLB-100-1000P

Uncoated

φ50.8mm

70mm

3mm

13.4mm

61.2mm

36.33mm

<1′

Uncoated

φ50.8mm

80mm

3mm

11.7mm

72.3mm

41.52mm

<1′

Uncoated

φ50.8mm

90mm

3mm

10.3mm

83.2mm

46.71mm

<1′

Uncoated

φ50.8mm

100mm

3mm

9.6mm

93.7mm

51.9mm

<1′

Uncoated

φ50.8mm

120mm

2.8mm

8.2mm

114.6mm

62.28mm

<1′

Uncoated

φ50.8mm

150mm

2.8mm

7.1mm

145.3mm

77.85mm

<1′

Uncoated

φ50.8mm

170mm

3mm

6.6mm

165.7mm

88.23mm

<1′

Uncoated

φ50.8mm

200mm

2.9mm

6.1mm

196mm

103.8mm

<1′

Uncoated

φ50.8mm

250mm

2.9mm

5.4mm

246.4mm

129.75mm

<1′

Uncoated

φ50.8mm

300mm

2.9mm

5mm

296.7mm

155.7mm

<1′

Uncoated

φ50.8mm

400mm

3mm

4.5mm

397mm

207.6mm

<1′

Uncoated

φ50.8mm

500mm

3mm

4.2mm

497.2mm

259.5mm

<1′

Uncoated

φ50.8mm

700mm

3mm

3.9mm

697.4mm

363.3mm

<3′

Uncoated

φ50.8mm

1000mm

3mm

3.6mm

997.6mm

519mm

<3′

Uncoated

φ60mm

70mm

3mm

18.8mm

57.6mm

36.33mm

<1′

Uncoated

φ60mm

80mm

3mm

15.8mm

69.6mm

41.52mm

<1′

Uncoated

φ60mm

90mm

3mm

13.9mm

80.8mm

46.71mm

<1′

Uncoated

φ60mm

100mm

3mm

12.5mm

91.7mm

51.9mm

<1′

Uncoated

φ60mm

120mm

3mm

10.7mm

113mm

62.28mm

<1′

Uncoated

φ60mm

150mm

3mm

9mm

144.1mm

77.85mm

<1′

Uncoated

φ60mm

170mm

3mm

8.3mm

164.6mm

88.23mm

<1′

Uncoated

φ60mm

200mm

3mm

7.4mm

195.1mm

103.8mm

<1′

Uncoated

φ60mm

250mm

3mm

6.5mm

245.7mm

129.75mm

<1′

Uncoated

φ60mm

300mm

3mm

5.9mm

296.1mm

155.7mm

<1′

Uncoated

φ60mm

400mm

3mm

5.2mm

396.6mm

207.6mm

<1′

Uncoated

φ60mm

500mm

3mm

4.7mm

496.9mm

259.5mm

<1′

Uncoated

φ60mm

1000mm

3mm

3.9mm

997.5mm

519mm

<3′

Uncoated

φ80mm

100mm

3mm

21.8mm

85.6mm

51.9mm

<1′

Uncoated

φ80mm

150mm

3mm

14.1mm

140.8mm

77.85mm

<1′

Uncoated

φ80mm

200mm

3mm

11mm

192.7mm

103.8mm

<1′

Uncoated

φ80mm

250mm

3mm

9.3mm

243.9mm

129.75mm

<1′

Uncoated

φ80mm

300mm

3mm

8.2mm

294.6mm

155.7mm

<1′

Uncoated

φ80mm

350mm

3mm

7.5mm

345.1mm

181.65mm

<1′

Uncoated

φ80mm

400mm

3mm

6.9mm

395.5mm

207.6mm

<1′

Uncoated

φ80mm

500mm

3mm

6.1mm

496mm

259.5mm

<1′

Uncoated

φ80mm

700mm

3mm

5.2mm

696.6mm

363.3mm

<1′

Uncoated

φ80mm

800mm

3mm

4.9mm

796.8mm

415.2mm

<1′

Uncoated

φ80mm

1000mm

3mm

4.5mm

997mm

519mm

<3′

Uncoated

φ100mm

150mm

3mm

21.2mm

136.1mm

77.85mm

<1′

Uncoated

φ100mm

200mm

3mm

15.8mm

189.6mm

103.8mm

<1′

Uncoated

φ100mm

250mm

3mm

13mm

241.4mm

129.75mm

<1′

Uncoated

φ100mm

300mm

3mm

11.2mm

292.6mm

155.7mm

<1′

Uncoated

φ100mm

350mm

3mm

10mm

343.4mm

181.65mm

<1′

Uncoated

φ100mm

400mm

3mm

9.1mm

394.4mm

207.6mm

<1′

Uncoated

φ100mm

500mm

3mm

7.9mm

494.8mm

259.5mm

<1′

Uncoated

φ100mm

600mm

3mm

7mm

595.4mm

311.4mm

<1′

Uncoated

φ100mm

700mm

3mm

6.5mm

695.7mm

363.3mm

<1′

Uncoated

φ100mm

800mm

3mm

6mm

796mm

415.2mm

<1′

Uncoated

φ100mm

1000mm

3mm

5.4mm

996.4mm

519mm

<1′

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