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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

9mm Dia. x 27mm EFL, UV-VIS Coated, Near UV Achromatic Lens

Stock #35-994
S$176.70
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Qty 1-5
S$176.70
Qty 6
S$141.05
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Diameter (mm):
9.00 +0.0/-0.025
Effective Focal Length EFL (mm):
27.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
24.13
Focal Length Specification Wavelength (nm):
405.00
Clear Aperture CA (mm):
8.1
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
3.75
Center Thickness CT 2 (mm):
1.50
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
14.60
Radius R2 (mm):
-12.12
Radius R3 (mm):
-40.64
Edge Thickness ET (mm):
4.29
Substrate:
Surface Quality:
40-20
f/#:
3
Numerical Aperture NA:
0.17
Coating:
UV-VIS (345-700nm)
Coating Specification:
Ravg ≤1.5% @ 345 - 700nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
345 - 700

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Excellent Transmission in 345 – 700nm Range
  • Ideal for use with NUV LEDs and Mercury Lamps
  • Low-Cost, Cemented Design

Our TECHSPEC® NUV Achromatic Lenses are specifically designed to minimize the spot size for polychromatic illumination in the 345 – 700nm region. Ideal for use in fluorescence applications, as well as for simple focusing of common UV light sources, such as Mercury Arc Lamps, UV LEDs, and Tripled Nd:YAG lasers. Our TECHSPEC® Near UV Achromatic Lenses feature a simple cemented design, and are an excellent alternative to air-spaced doublets and triplets for the UV. Lenses feature >90% transmission at 360nm and provide >50% transmission at 334nm.

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