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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
AC508-400-A1-ML
Thorlabs AC508-400-A1-ML — Ø2" Achromatic Doublet, SM2-Threaded Mount, f=400 mm, ARC: 400-700 nm
The Thorlabs AC508-400-A1-ML is a Ø2" achromatic doublet featuring an SM2-threaded mount, a focal length of 400 mm, and an antireflection coating specified for 400-700 nm. Released on March 22, 2007, this component reached its discontinued date on June 11, 2011, and has been officially replaced by the ACT508-400-A-ML model. Submit the exact part number, quantity, and application requirements to request a quote for available inventory.
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
- AC508-400-A1-ML
- Product series
- Ø2" Achromatic Doublet, SM2-Threaded Mount, f=400 mm, ARC: 400-700 nm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to AC508-400-A1-ML.
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
- Ø2" Achromatic Doublet, SM2-Threaded Mount, f=400 mm, ARC: 400-700 nm
- Lifecycle Status
- Discontinued
- This item has been replaced by ACT508-400-A-ML .
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- March 22, 2007
- Discontinued Date
- June 11, 2011
- Official Replacement Model
- ACT508-400-A-ML
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 AC508-400-A1-ML. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.