Fuzhou Esteemoptics Co.,Ltd

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PRODUCTS > OPTICAL COMPONENTS > LENS > BK7 POSITIVE MENISCUS LENSES

Specifications:

Material: BK7 grade A optical glass

Design Wavelength: 546.1nm

Design Index: 1.5183 +/-0.0005

Diameter Tolerance: +0.0, -0.15mm

Paraxial Focal Length: +/-2%

Centration: 3 arc minutes

Clear Aperture: >80%

Surface Figure: ¦Ë/4@632.8nm

Surface Quality: 60-40 scratch and dig

Bevel: 0.25 mm x 45¡ã

Standard Size

How to Order:

For Example: MNP0301

(Part Numer)

Part No.

f(mm)

¦Õ(mm)

R1 (mm)

R2 (mm)

tc (mm)

te (mm)

fb (mm)

MNP0301

100

25.4

33.72

90

4

2.5

97.5

MNP0302

125

25.4

38.47

90

4

2.8

121.8

MNP0303

150

25.4

42.52

90

4

3

146.3

MNP0304

175

25.4

46.05

90

4

3.1

171.2

MNP0305

200

25.4

49.03

90

3.5

2.8

197

MNP0306

250

25.4

83.96

235

3.5

2.9

246.5

MNP0307

300

25.4

94.08

235

3.5

3

296.3

MNP0308

350

25.4

102.9

235

3.5

3.1

346

MNP0309

400

25.4

110.72

235

3.5

3.1

395.8

MNP0310

500

25.4

123.9

235

3.5

3.2

495.4

MNP0311

600

25.4

204.95

600

3.5

3.2

595.3

MNP0312

800

25.4

245.39

600

3.5

3.3

794.5

MNP0313

1000

25.4

278.34

600

3.5

3.3

993.7

MNP0314

1500

25.4

339.05

600

3.5

3.4

1492

MNP0315

2000

25.4

380.54

600

3.5

3.4

1990.2

MNP0316

4000

25.4

466.12

600

3.5

3.5

3984.5