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Products/Thorlabs/355440-C
Thorlabs 355440-C Thorlabs 355440-C — f = 2.8 mm, numerical aperture = 0.26/0.52, WD = 2.0/7.1 mm, Unmounted Aspheric Lens, ARC: 1050 - 1700 nm
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Thorlabs

355440-C

Thorlabs 355440-C — f = 2.8 mm, numerical aperture = 0.26/0.52, WD = 2.0/7.1 mm, Unmounted Aspheric Lens, ARC: 1050 - 1700 nm

The Thorlabs 355440-C is an unmounted aspheric lens featuring a focal length of 2.8 mm, numerical apertures of 0.26 and 0.52, working distances of 2.0 and 7.1 mm, and an antireflection coating for 1050 to 1700 nm. Released on October 30, 2014, each unit has a package weight of 0.04 lbs, with lifecycle status available in current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer
Thorlabs
Part number
355440-C
Product series
f = 2.8 mm, numerical aperture = 0.26/0.52, WD = 2.0/7.1 mm, Unmounted Aspheric Lens, ARC: 1050 - 1700 nm
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 355440-C.
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Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Product Name
f = 2.8 mm, numerical aperture = 0.26/0.52, WD = 2.0/7.1 mm, Unmounted Aspheric Lens, ARC: 1050 - 1700 nm
Lifecycle Status
Refer to current manufacturer documentation
Release Date
October 30, 2014
Package Weight
0.04 lbs Each

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 355440-C. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.