352671-B

Name: Thorlabs 352671-B — f = 4.02 mm, numerical aperture = 0.6, Unmounted Aspheric Lens, ARC: 600 - 1050 nm
Brand: Thorlabs

Thorlabs 352671-B — f = 4.02 mm, numerical aperture = 0.6, Unmounted Aspheric Lens, ARC: 600 - 1050 nm

The Thorlabs 352671-B is an unmounted aspheric lens featuring a focal length of 4.02 mm, a numerical aperture of 0.6, and an anti-reflective coating optimized for the 600 to 1050 nm range. Originally released on December 2, 2008, this component reached its end-of-life status when Thorlabs officially discontinued it on September 7, 2022. Submit the exact part number, quantity, and application requirements to request a quote for this discontinued item.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.

Manufacturer: Thorlabs
Part number: 352671-B
Product series: f = 4.02 mm, numerical aperture = 0.6, Unmounted Aspheric Lens, ARC: 600 - 1050 nm
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Technical Specifications

Product Name: f = 4.02 mm, numerical aperture = 0.6, Unmounted Aspheric Lens, ARC: 600 - 1050 nm
Lifecycle Status: Discontinued
352671-B was discontinued on September 7, 2022.: View its last web presentation.
Last Web Presentation: Open
Release Date: December 2, 2008
Discontinued Date: September 7, 2022

Engineering context

Identification and RFQ Guidance

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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.

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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 352671-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.