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Optical Lenses > Spherical Bi Convex Lenses > POL-BK7-BCX-A-50-250
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| Name: | DIA50.0mm BK7 Bi-Convex Lens(AR400-750nm)f+250mm |
| P/N: | POL-BK7-BCX-A-50-250 | | Keywords: | Dia50.0mm,BK7,Bi-Convex,EFL+250mm,AR@400-750nm |
| Unit Price: |
S$165.00/pc
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| Available: |
In stock
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| Request: |
Add to Request List |
| Introduction: | Bi-convex lenses are most suitable where the object and image are on opposite sides of the lens and the ratio of the image and object distances (conjugate ratio) is between 0.2 and 5. |
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Material: |
BK7 optical glass |
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Wavelength Range: |
350~2000nm |
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Lens Configuration: |
Bi-convex |
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Design Wavelength: |
633nm (n=1.515082) |
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Outer Diameter: |
50.0,+0.0/-0.1mm |
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Effective Focal Length(EFL): |
+250mm (+/-1%) |
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ROC: |
258.22mm |
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Tc: |
5.4mm |
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Te: |
3.0mm |
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Scratch/Dig: |
40/20 |
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Centration: |
<3 arc minutes |
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Clear Aperture: |
>90% |
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Coating: |
AR coated @ 400-750nm, both surfaces(R<0.5% max) |
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