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Thorlabs LF4938 Thorlabs LF4938 — f = -100.0 mm, Ø1" UV Fused Silica, Negative Meniscus Lens, Uncoated
Reference imageConfirm configuration by manufacturer part number.

Thorlabs

LF4938

Thorlabs LF4938 — f = -100.0 mm, Ø1" UV Fused Silica, Negative Meniscus Lens, Uncoated

The Thorlabs LF4938 is a negative meniscus lens manufactured with a focal length of -100.0 mm and a diameter of 1" using UV fused silica without optical coatings. Released on August 10, 2000, each individual unit has a package weight of 0.05 lbs, with the current lifecycle status available in active manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a formal quote for this component.

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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
LF4938
Product series
f = -100.0 mm, Ø1" UV Fused Silica, Negative Meniscus Lens, Uncoated
Data verification
Manufacturer evidence reviewed

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

Exact part-number verificationTechnical properties are matched to LF4938.
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 = -100.0 mm, Ø1" UV Fused Silica, Negative Meniscus Lens, Uncoated
Lifecycle Status
Refer to current manufacturer documentation
Release Date
August 10, 2000
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 LF4938. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.