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Products / Optics / Windows and Diffusers / Visible Windows / B270 Windows
See all 58 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Diameter Uncoated, B270 Window

See More by SCHOTT Optical Components

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Stock #45-640 Other Coating Options
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- +
S$51.00
Qty 1-5
S$51.00
Qty 6+
S$40.80
Volume Pricing
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Abbe Number (vd):
58.3
Bevel:
Protective as needed
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 ±0.25
Thickness (mm):
2.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
9.4 (+20 to +300°C)
Density (g/cm3):
2.56
Edges:
Fine Ground
Index of Refraction nd:
1.523
Knoop Hardness (kg/mm2):
500
Poisson's Ratio:
0.22
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
B270
Surface Flatness (P-V):
1λ
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
360 - 2700
Young's Modulus (GPa):
71.5

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 224:
Compliant
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Certificate of Conformance:
View
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Product Family Description

  • Large Selection of Sizes
  • Available Uncoated or with a MgF2 Anti-Reflection Coating
  • Custom Sizes Available for Volume OEM Requirements

TECHSPEC® B270 Windows are ideal for commercial applications requiring a thin substrate. Available uncoated or with a MgF2 Anti-Reflection coating, these windows are often used as a protective element between two environments. Custom sizes and coatings are available for OEM applications.

Title  Type Compare Stock Number  Price Buy
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4 Fixed #13-787 S$28.50
Qty 5+ S$27.15 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32 Fixed #13-788 S$28.50
Qty 5+ S$27.15 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., E-Series Kinematic Mount Adjustable - Tip-Tilt #15-866 S$60.00
Qty 10+ S$57.00 Request Quote
25.0mm Optic Dia., Optic Mount Fixed #64-560 S$66.00
Qty 10+ S$59.40 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4, Quick Start Optical Mounts Fixed #17-536 S$86.25 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32, Quick Start Optical Mounts Fixed #17-537 S$86.25 Request Quote
  • 3-5 days
    ×
2.0 - 35.0mm Optic Dia., Three-Screw Adjustable Ring Mount Fixed #03-668 S$88.50
Qty 10+ S$78.60 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., L-Slot Direct Mount Fixed #36-410 S$94.50 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., Side Flange Direct Mount Fixed #36-414 S$94.50 Request Quote
  • 3-5 days
    ×
9.5 - 73.0mm Optic Dia., Three-Screw Adjustable Ring Mount Fixed #36-605 S$111.00
Qty 10+ S$98.10 Request Quote
  • 3-5 days
    ×
25/25.4mm Diameter, E-Series Kinematic Mount, Quick Start Optical Mounts Adjustable - Tip-Tilt #17-521 S$117.75 Request Quote
25.0/25.4mm Optic Dia., L-Slot and Rotation Direct Mount Adjustable - Rotary #36-411 S$136.50 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., Kinematic Mount, 2-Screws Adjustable - Tip-Tilt #58-851 S$136.50
Qty 5+ S$122.85 Request Quote
5.0 - 25.0mm Optic Height, Metric Bar-Type Optic Holder Fixed #55-529 S$139.50
Qty 10+ S$125.55 Request Quote
7.0 - 40.0 Optic Height, English Bar-Type Optic Holder Fixed #03-676 S$142.50
Qty 10+ S$128.25 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., Kinematic Mount, 3-Screws Adjustable - Tip-Tilt #58-854 S$148.50
Qty 5+ S$133.65 Request Quote
  • 3-5 days
    ×
10.0 - 60.0mm Optic Height, Metric Bar-Type Optic Holder Fixed #55-530 S$151.50
Qty 10+ S$136.35 Request Quote
  • 3-5 days
    ×
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount Fixed #03-670 S$151.50
Qty 10+ S$133.80 Request Quote
  • 3-5 days
    ×
7.0 - 67.0 Optic Height, English Bar-Type Optic Holder Fixed #03-669 S$154.50
Qty 10+ S$139.05 Request Quote
  • 3-5 days
    ×
8.0 - 118.0 Optic Height, English Bar-Type Optic Holder Fixed #03-666 S$160.50
Qty 10+ S$144.45 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., Optical Cell Assembly Fixed #36-461 S$168.00
Qty 10+ S$148.95 Request Quote
  • 3-5 days
    ×
25/25.4mm Dia., Kinematic Mount, 3-Screws, Quick Start Optical Mounts Adjustable - Tip-Tilt #17-523 S$206.25 Request Quote
  • 3-5 days
    ×
4.0 - 36.0mm Optic Dia., Self-Centering Jaw Clamp Fixed #16-077 S$211.50
Qty 5+ S$186.15 Request Quote
  • 3-5 days
    ×
2"/50.8mm Diameter, Bar Type Lens / Filter Holder, Quick Start Optical Mounts Fixed #17-530 S$215.55 Request Quote
25.0/25.4mm Optic Dia., X-Y Translating Optic Mount Adjustable - Linear (XY) #62-956 S$379.50
Qty 5+ S$360.60 Request Quote
25.0/25.4mm Optic Diameter, X-Y Translating Quick Start Optical Mounts Adjustable - Linear (XY) #17-513 S$441.90 Request Quote
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp Fixed #16-078 S$550.50
Qty 5+ S$485.55 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., Precision Gimbal Mount Adjustable - Gimbal #54-999 S$633.00
Qty 5+ S$563.40 Request Quote
25/25.4mm ID, Precision Gimbal Mount, Quick Start Optical Mounts Adjustable - Gimbal #17-517 S$709.65 Request Quote
25.0/25.4mm Optic Dia., X-Y-Z Translating Optic Mount Adjustable - Linear (XYZ) #62-959 S$744.00
Qty 5+ S$669.60 Request Quote
  • 3-5 days
    ×
25.0/25.4mm Optic Dia., 5 Axes Optical Mount Adjustable - Linear (XYZ) & Tip-Tilt #13-776 S$1,036.50
Qty 5+ S$984.90 Request Quote
  • 3-5 days
    ×
 
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