Name: 25mm Dia. x 125mm EFL, UV-VIS Coated, Near UV Achromatic Lens
Brand: TECHSPEC
SKU: 65-980
Price: €154,00

Diameter (mm):

25.00 +0.0/-0.025

Effective Focal Length EFL (mm):

125.00

Focal Length Tolerance (%):

±2

Back Focal Length BFL (mm):

121.29

Focal Length Specification Wavelength (nm):

405.00

Clear Aperture CA (mm):

24.00

Centering (arcmin):

Center Thickness CT 1 (mm):

5.00

Center Thickness CT 2 (mm):

2.50

Center Thickness Tolerance (mm):

±0.20

Radius R₁ (mm):

72.95

Radius R₂ (mm):

-64.21

Radius R₃ (mm):

-181.98

Edge Thickness ET (mm):

5.99

N-FK5 / F2HT

Surface Quality:

40-20

f/#:

Numerical Aperture NA:

0.10

Coating:

UV-VIS (345-700nm)

Coating Specification:

R_avg ≤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:

Compliant

Reach 219:

Compliant

Certificate of Conformance:

View

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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