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Thorlabs LA1628-B Thorlabs LA1628-B — N-BK7 Plano-Convex Lens, Ø1/2", f = 2000 mm, AR Coating: 650 - 1050 nm
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Thorlabs

LA1628-B

Thorlabs LA1628-B — N-BK7 Plano-Convex Lens, Ø1/2", f = 2000 mm, AR Coating: 650 - 1050 nm

The Thorlabs LA1628-B is an N-BK7 plano-convex lens with a diameter of 1/2 inch and a focal length of 2000 mm, featuring an antireflection coating optimized for the 650 to 1050 nm wavelength range. Each unit weighs 0.05 lbs and follows a manufacturer release date of August 14, 2025, with lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a formal quote.

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Why no listed price?

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
LA1628-B
Product series
N-BK7 Plano-Convex Lens, Ø1/2", f = 2000 mm, AR Coating: 650 - 1050 nm
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to LA1628-B.
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
N-BK7 Plano-Convex Lens, Ø1/2", f = 2000 mm, AR Coating: 650 - 1050 nm
Lifecycle Status
Refer to current manufacturer documentation
Release Date
August 14, 2025
Package Weight
0.05 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 LA1628-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.