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Thorlabs
LF5961-E
Thorlabs LF5961-E — Ø1" CaF 2 Negative Meniscus Lens, f = -200.0 mm, AR-Coated: 2 - 5 µm
The Thorlabs LF5961-E is a Ø1" CaF2 negative meniscus lens featuring a focal length of -200.0 mm and an antireflective coating specified for the 2 to 5 µm wavelength range. Released on April 27, 2010, this component reached its discontinued lifecycle status on August 9, 2024. Submit the exact part number, quantity, and application requirements to receive a quote for remaining availability.
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
- LF5961-E
- Product series
- Ø1" CaF 2 Negative Meniscus Lens, f = -200.0 mm, AR-Coated: 2 - 5 µm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to LF5961-E.
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
- Ø1" CaF 2 Negative Meniscus Lens, f = -200.0 mm, AR-Coated: 2 - 5 µm
- Lifecycle Status
- Discontinued
- LF5961-E was discontinued on August 9, 2024.
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- April 27, 2010
- Discontinued Date
- August 9, 2024
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 LF5961-E. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.