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

25mm Diameter x 17.5mm FL, NIR Coated, K22R Plastic Aspheric Lens

Name: 25mm Diameter x 17.5mm FL, NIR Coated, K22R Plastic Aspheric Lens
Brand: TECHSPEC
SKU: 21-216
Price: ₹5,568

TECHSPEC® Plastic Aspheric Lenses

Stock #21-216 10 to 12 days Other Coating Options

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₹5,568

Qty 1-24
₹5,568

Qty 25+
₹3,915

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Diameter (mm):

25.00 ±0.15

Effective Focal Length EFL (mm):

17.50 @ 587.6nm

Numerical Aperture NA:

0.71

Back Focal Length BFL (mm):

11.22

Zeonex K22R

Aspheric Design Wavelength (nm):

587.6

Coating:

BBAR (600-1000nm)

Coating Specification:

R_avg <0.7% @ 600 - 1000nm

Centering (arcmin):

<5 (by design)

Surface Quality:

80-50

Clear Aperture CA (mm):

21.5

Edge Thickness ET (mm):

1.05

Center Thickness CT (mm):

10.90 ± 0.20

f/#:

0.7

Bevel:

Protective bevel as needed

Operating Temperature (°C):

-30 to 70

Radius R₂ (mm):

50.47

Shape of Back Surface:

Convex

Type:

Aspheric Lens

Wavelength Range (nm):

600 - 1000

Conjugate Distance:

Infinite

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

REACH 241:

Compliant

Product Family Description

Full Prescription Data Available
Standard 25mm Diameter for Easy System Integration
High Numerical Aperture Designs for Superior Light Collection

TECHSPEC® Plastic Aspheric Lenses offer a lightweight alternative to glass spherical or aspherical lenses. Designed with a standard 25mm diameter, these lenses can be easily integrated into most systems and applications using standard mounting hardware. The plastic substrate provides exceptional value while still maintaining excellent performance and a high numerical aperture. TECHSPEC® Plastic Aspheric Lenses feature low haze, low autofluorescence, and excellent coating adhesion, making these lenses ideal for OEM and research applications alike. For alternate designs or custom coating requirements, please contact our Sales Department.

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