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Thorlabs
LK4989-A
Thorlabs LK4989-A — f=-500.0 mm, Plano-Concave Cylindrical Lens, UV Grade Fused Silica, H=30.0 mm, L=45.0 mm, ARC: 350 - 700 nm
The Thorlabs LK4989-A is a f=-500.0 mm plano-concave cylindrical lens constructed from UV grade fused silica with an antireflection coating for 350 to 700 nm. This component measures 30.0 mm in height and 45.0 mm in length, with an individual package weight of 0.11 lbs. Release occurred on November 23, 2022, and current lifecycle status is available in manufacturer documentation. Please submit the exact part number, quantity, and application requirements to request a quote.
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Request a QuoteWhy 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
- LK4989-A
- Product series
- f=-500.0 mm, Plano-Concave Cylindrical Lens, UV Grade Fused Silica, H=30.0 mm, L=45.0 mm, ARC: 350 - 700 nm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to LK4989-A.
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=-500.0 mm, Plano-Concave Cylindrical Lens, UV Grade Fused Silica, H=30.0 mm, L=45.0 mm, ARC: 350 - 700 nm
- Lifecycle Status
- Refer to current manufacturer documentation
- Release Date
- November 23, 2022
- Package Weight
- 0.11 lbs Each
Engineering context
Identification and RFQ Guidance
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 LK4989-A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.