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Thorlabs FGL850T Thorlabs FGL850T — Ø1/2" RG850 Colored Glass Filter, 850 nm Longpass
Reference imageConfirm configuration by manufacturer part number.

Thorlabs

FGL850T

Thorlabs FGL850T — Ø1/2" RG850 Colored Glass Filter, 850 nm Longpass

The Thorlabs FGL850T is a Ø1/2" RG850 Colored Glass Filter featuring an 850 nm longpass specification with a package weight of 0.08 lbs each. Released on September 16, 2026, the lifecycle status of this component should be verified against current manufacturer documentation. Please submit the exact part number, quantity, and application requirements to request a quote.

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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
FGL850T
Product series
Ø1/2" RG850 Colored Glass Filter, 850 nm Longpass
Data verification
Manufacturer evidence reviewed

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

Exact part-number verificationTechnical properties are matched to FGL850T.
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" RG850 Colored Glass Filter, 850 nm Longpass
Lifecycle Status
Refer to current manufacturer documentation
Release Date
September 16, 2026
Package Weight
0.08 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 FGL850T. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.