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
354340-A
Thorlabs 354340-A — f = 4.0 mm, numerical aperture = 0.64, WD = 1.5 mm, Unmounted Aspheric Lens, ARC: 350 - 700 nm
The Thorlabs 354340-A is an unmounted aspheric lens featuring a focal length of 4.0 mm, a numerical aperture of 0.64, and a working distance of 1.5 mm. Released on March 17, 2014, this optic includes an antireflective coating specified for the 350 to 700 nm wavelength range and has an individual package weight of 0.05 lbs. For current lifecycle status information and pricing, submit the exact part number, quantity, and application requirements for a formal 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
- 354340-A
- Product series
- f = 4.0 mm, numerical aperture = 0.64, WD = 1.5 mm, Unmounted Aspheric Lens, ARC: 350 - 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 354340-A.
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 = 4.0 mm, numerical aperture = 0.64, WD = 1.5 mm, Unmounted Aspheric Lens, ARC: 350 - 700 nm
- Lifecycle Status
- Refer to current manufacturer documentation
- Release Date
- March 17, 2014
- Package Weight
- 0.05 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 354340-A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.