352340-B

Name: Thorlabs 352340-B — f = 4.03 mm, numerical aperture = 0.62, Unmounted Geltech Aspheric Lens, AR: 600-1050 nm
Brand: Thorlabs

Thorlabs 352340-B — f = 4.03 mm, numerical aperture = 0.62, Unmounted Geltech Aspheric Lens, AR: 600-1050 nm

The Thorlabs 352340-B is an unmounted Geltech aspheric lens featuring an effective focal length of 4.03 mm, a numerical aperture of 0.62, and an anti-reflective coating optimized for 600-1050 nm. Released on December 7, 2009, this discontinued component has been officially replaced by model 354340-B. Although no longer stocked, it remains available through special order. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Thorlabs
Part number: 352340-B
Product series: f = 4.03 mm, numerical aperture = 0.62, Unmounted Geltech Aspheric Lens, AR: 600-1050 nm
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Technical Specifications

Product Name: f = 4.03 mm, numerical aperture = 0.62, Unmounted Geltech Aspheric Lens, AR: 600-1050 nm
Lifecycle Status: Discontinued
This item has been replaced by 354340-B .: Although we no longer stock 352340-B, we continue to offer it by special order. Contact us for pricing and lead times.
Release Date: December 7, 2009
Official Replacement Model: 354340-B

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.

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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 352340-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.