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All Products / Optics / Optical Lenses / Double-Convex (DCX) Lenses / ISP Optics Calcium Fluoride Double-Convex (DCX) Lenses
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25.4mm Dia. x 63.5mm FL, Uncoated, ISP Optics Calcium Fluoride (CaF2) DCX Lens |CF-BX-25-63

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Calcium Fluoride Double-Convex (DCX) Lenses

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Specifications

General

Type:
Double-Convex Lens
Model Number:
CF-BX-25-63

Physical & Mechanical Properties

Diameter (mm):
25.40 +0.00/-0.13
Clear Aperture (%):
90.00
Centering (arcmin):
<3
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
5.30
Center Thickness Tolerance (mm):
±0.2
Edge Thickness ET (mm):
2.00

Optical Properties

Effective Focal Length EFL (mm):
63.50
Coating:
Uncoated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Calcium Fluoride (CaF2)
Surface Quality:
60-40
Radius R1=-R2 (mm):
49.89
Back Focal Length BFL (mm) @ DWL:
61.56
Effective Focal Length EFL @ 0.6328μm (mm):
58.57
Effective Focal Length EFL @ 1.064μm (mm):
59.16
Effective Focal Length EFL @ 2.94μm (mm):
60.59
Effective Focal Length EFL @ 5.0μm (mm):
63.50
f/#:
2.5
Focal Length Specification Wavelength (μm):
5.00
Focal Length Tolerance (%):
±2 @ DWL
Numerical Aperture NA:
0.20
Surface Accuracy:
1λ
Wavelength Range (μm):
0.35 - 7
Wavelength Range (nm):
350 - 7000

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 240:
Compliant
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Product Details

  • Greater than 90% Transmission from 350nm-7μm
  • Low Index of Refraction
  • High Laser Damage Threshold

ISP Optics Calcium Fluoride Double-Convex (DCX) Lenses are ideal for finite imaging applications requiring high transmission in the infrared wavelength spectrum. Calcium Fluoride features greater than 90% transmission from 350nm to 7μm and a low refractive index, allowing it to be used without an antireflective coating. In addition, its low absorption and high damage threshold makes it a popular choice for use with excimer lasers. ISP Optics Calcium Fluoride Double-Convex (DCX) Lenses offer low solubility and superior hardness compared to other fluoride-based substrates, allowing for use in harsh environments.

Technical Information

Special Handling

These optics require special handling to avoid damage and ensure long-term performance. Proper handling, cleaning, and storage are essential to maintain optical quality. Explore our Optics Cleaning Resources for step-by-step guides and best practices. For personalized assistance, Email us or Chat with our technical support team.

Component Handling Tools
Component Handling Tools

Compatible Mounts