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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Reference imageConfirm configuration by manufacturer part number.
Thorlabs
LF5847-E1
Thorlabs LF5847-E1 — Ø1/2" CaF₂ Negative Meniscus Lens, f = -50.0 mm, AR-Coated: 2 - 5 μm
The Thorlabs LF5847-E1 is a Ø1/2" calcium fluoride negative meniscus lens featuring a focal length of -50.0 mm and an anti-reflective coating optimized for the 2 to 5 µm wavelength range. Released on August 9, 2024, each unit has a package weight of 0.09 lbs, with lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a quote.
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
- LF5847-E1
- Product series
- Ø1/2" CaF₂ Negative Meniscus Lens, f = -50.0 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 LF5847-E1.
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
- Ø1/2" CaF₂ Negative Meniscus Lens, f = -50.0 mm, AR-Coated: 2 - 5 μm
- Lifecycle Status
- Refer to current manufacturer documentation
- Release Date
- August 9, 2024
- Package Weight
- 0.09 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 LF5847-E1. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.