Endoscope Micro Lenses
Type: Plano-Convex Plano-Concave Meniscus lens
Type: Bi-Convex Bi-Concave Achromatic Lens
Material:
N-BK7, UVFS, H-K9L or on request
Type:
plano-convex,
plano-concave,
Bi-Convex,
Bi-concave,
Achromatic lens
Meniscus lens
Flatness:
N<3, △N<0.5 for spherical surface
λ/4~λ/8 for flat surface
Diameter:
Ø 0.3mm~up
Surface Quality:
20/10~60/40
Centering:
3’~5’
Coating:
uncoated, or customized
The micro lenses applying in the field for medical endoscope, available with:
plano-convex, plano-concave, Bi-Convex, Bi-concave, Achromatic lens, Meniscus lens
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Plano-Convex |
Plano-Concave |
Bi-Convex |
Bi-Concave |
Meniscus lens |
Achromatic lens |
Achromatic Lenses for Rigid Endoscopes
Achromatic Lenses are used to minimize and eliminate chromatic aberration. The achromatic design also helps in minimizing spherical aberrations. Achromats are often designed by cementing two elements together.
| wdt_ID | Attribute | Value |
|---|---|---|
| 1 | Material | N-BK7, UVFS, H-K9L or on request |
| 39 | Diameter | Ø 0.3mm~up |
| 40 | Shape | plano-convex, plano-concave, Bi-Convex, Bi-concave, Achromatic lens |
| 41 | Flatness | N＜3, ΔN＜0.5 for spherical surface λ/4~λ/8 on flat face |
| 43 | Surface Quality | 20/10~60/40 |
| 44 | Centering | 3’~5’ |
| 45 | Coating | uncoated, or on request |
Related Resource for reference
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Image Information in a Rigid Rod Lens Endoscope
Relay lens system: for image transport, also called as Image Reversal System (Rod Lens, Achromatic Doublets, GRIN Relay)
Click to Download the full article ENDOSCOPE IN NEUROSURGERY
Article source link: http://www.aiimsnets.org/review_seminar.asp
Related Products
Endoscope Rod Lenses
Endoscope Cone Lens
Endoscope half ball lens, drum lens
Achromatic Doublet Lenses
