370940-Q

Name: Thorlabs 370940-Q — f=4.0mm 0.17NA Unmounted Geltech Aspheric Lens, ARC: 1300-1700nm
Brand: Thorlabs

Thorlabs 370940-Q — f=4.0mm 0.17NA Unmounted Geltech Aspheric Lens, ARC: 1300-1700nm

The Thorlabs 370940-Q is an unmounted Geltech aspheric lens featuring a focal length of f=4.0mm and a numerical aperture of 0.17, paired with an anti-reflective coating for 1300-1700nm. Released on December 14, 2005, this component is now in a discontinued lifecycle status. Please submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Thorlabs
Part number: 370940-Q
Product series: f=4.0mm 0.17NA Unmounted Geltech Aspheric Lens, ARC: 1300-1700nm
Data verification: Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 370940-Q.

Worldwide sourcingSupport for planned and urgent industrial requirements.

Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Product Name: f=4.0mm 0.17NA Unmounted Geltech Aspheric Lens, ARC: 1300-1700nm
Lifecycle Status: Discontinued
370940-Q was discontinued.: View its last web presentation.
Last Web Presentation Open: Release Date December 14, 2005
Last Web Presentation: Open
Release Date: December 14, 2005

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Thorlabs 370940-Q. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.