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Double Concave H-K9L/BK7 Optical Glass Lens (12mm Diameter, -24.12mm Focal Length), Coated 400-700nm for Optical Instruments in Saudi Arabia Double Concave H-K9L/BK7 Optical Glass Lens (12mm Diameter, -24.12mm Focal Length), Coated 400-700nm for Optical Instruments in Saudi Arabia Double Concave H-K9L/BK7 Optical Glass Lens (12mm Diameter, -24.12mm Focal Length), Coated 400-700nm for Optical Instruments in Saudi Arabia Double Concave H-K9L/BK7 Optical Glass Lens (12mm Diameter, -24.12mm Focal Length), Coated 400-700nm for Optical Instruments in Saudi Arabia Double Concave H-K9L/BK7 Optical Glass Lens (12mm Diameter, -24.12mm Focal Length), Coated 400-700nm for Optical Instruments in Saudi Arabia

Double Concave H-K9L/BK7 Optical Glass Lens (12mm Diameter, -24.12mm Focal Length), Coated 400-700nm for Optical Instruments

SAR 98
Brand
LDGSUPH
Weight
50 g
– 1 +

Special Features

  • 1. Structure & Shape: Double concave (biconcave) spherical structure for light divergence applications
  • 2. Material: H-K9L / BK7 optical glass, offering high optical clarity and stability
  • 3. Key Dimensions: Diameter 12mm, focal length -24.12mm, center thickness (Tc) 0.95mm, edge thickness (Te) 2.4mm
  • 4. Coating: 400–700nm anti-reflection coating to reduce light loss and improve transmission
  • 5. Application: Ideal for optical instruments, beam expansion, and precision optical experiments

Description

Product Description:
This double concave lens is crafted from H-K9L/BK7 optical glass, with a 12mm diameter and -24.12mm focal length, coated for 400-700nm wavelength use.

Key Specifications:
- Model Number: Double Concave
- Structure: Double Concave (Biconcave)
- Shape: Spherical
- Material: H-K9L / BK7 optical glass
- Diameter: 12mm
- Focal Length: -24.12mm
- Center Thickness (Tc): 0.95mm
- Edge Thickness (Te): 2.4mm
- Coating: 400–700nm anti-reflection coating
- Certification: CE
- Use: Optical instruments and experimental light divergence setups
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High-concerned chemical: None
Origin: Mainland China

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