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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Thorlabs
AL72550-E
Thorlabs AL72550-E — Ø1" ZnSe Aspheric Lens, f=50.0 mm, numerical aperture=0.22, ARC: 3-5 µm
Manufactured by Thorlabs, the AL72550-E is a Ø1" zinc selenide aspheric lens featuring a focal length of 50.0 mm, a numerical aperture of 0.22, and an anti-reflective coating optimized for the 3 to 5 µm spectral range. Originally released on January 5, 2011, this optical component reached its discontinued lifecycle status on July 16, 2021, and has been officially superseded by the AL72550-E1 model. Submit the exact part number, quantity, and application requirements to request a quote for this discontinued item.
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
- AL72550-E
- Product series
- Ø1" ZnSe Aspheric Lens, f=50.0 mm, numerical aperture=0.22, ARC: 3-5 µm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to AL72550-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" ZnSe Aspheric Lens, f=50.0 mm, numerical aperture=0.22, ARC: 3-5 µm
- Lifecycle Status
- Discontinued
- This item has been replaced by AL72550-E1 .
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- January 5, 2011
- Discontinued Date
- July 16, 2021
- Official Replacement Model
- AL72550-E1
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 AL72550-E. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.