Micro Size Rod Lenses- For Endoscope
Micro Rod Lenses are available with flat, plano-convex, plano-concave, cemented etc which applied in medical endoscopes.
Rod lens systems use special glass rods with optically finished ends, providing images with higher brightness, contrast and colour reproduction than conventional lenses.
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- Lens Type: Positive, Negative
- Material: BK7, UVFS
- Size: Ø0.6mm or customization mm
- Focal Length: on request mm
- Lens Type: 1. Cemented 2. Flat/Flat 3. Plano-Convex 4. Plano-Concave 5. Double Convex
- Material: N-BK7, UVFS, H-K50, H-F4, H-BAK7, H-LAF10L, N-SK15, H-ZK21, H-F1, H-ZF4 etc
- Flatness: N<3, ΔN<0.5 for spherical surface N λ/4~λ/8 for flat surface
- Surface Quality: 20/10~60/40
- Coating: uncoated, or customized
Commonly, rigid endoscopes have a series of high-resolution optical glass rod lenses. The endoscopes can be forward viewing (0 degrees) or angled (10–120 degrees) to allow visualization out of the axis of the telescope and increase the FOV by rotating the instrument. The optical quality of lens-generated images of rigid endoscopes still surpasses that of the fiber-optic or digital images produced by flexible scopes.
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