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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Thorlabs
390021-F
Thorlabs 390021-F — f = 11.0 mm, numerical aperture = 0.18, Unmounted Geltech Aspheric Lens, AR: 8 - 12 µm
The Thorlabs 390021-F is an unmounted Geltech aspheric lens featuring a focal length of 11.0 mm, a numerical aperture of 0.18, and an anti-reflective coating optimized for the 8 to 12 µm wavelength range. Released on February 21, 2012, this component was officially discontinued by the manufacturer on December 9, 2014. Submit the exact part number, quantity, and application requirements to request a quote for this discontinued item.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
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
- 390021-F
- Product series
- f = 11.0 mm, numerical aperture = 0.18, Unmounted Geltech Aspheric Lens, AR: 8 - 12 µm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 390021-F.
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 = 11.0 mm, numerical aperture = 0.18, Unmounted Geltech Aspheric Lens, AR: 8 - 12 µm
- Lifecycle Status
- Discontinued
- 390021-F was discontinued on December 9, 2014.
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- February 21, 2012
- Discontinued Date
- December 9, 2014
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 390021-F. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.