Useful for 1550 nm fiber laser setups, telecom-band experiments, free-space coupling, detector setups, fiber-to-free-space beam delivery, and general photonics lab use.

Included:
1 × Thorlabs F220SMA-1550 fiber collimation package
No fiber, mounts, adapters, caps, or accessories included unless shown in photos

Specifications:
Brand: Thorlabs
Model: F220SMA-1550
Type: Fixed-focus fiber collimation package
Design wavelength: 1550 nm
Fiber connector type: SMA905
Focal length: 11.32 mm
Numerical aperture: 0.24
AR coating range: 1050–1700 nm
Optic type: Aspheric lens collimator
Condition: Used, mint

Notes:
I do not have the equipment to verify collimation quality, transmission, coating condition under magnification, beam profile, coupling efficiency, or laser damage threshold. Please review photos carefully and confirm compatibility with your fiber, wavelength, and mounting setup before purchase.

Safety / handling disclaimer:
Research/laboratory optical component only. Not for medical, diagnostic, implant, food, or consumer use. Buyer is responsible for determining compatibility, laser safety requirements, optical power limits, fiber handling, alignment procedures, and suitability for their setup. Sold as-is with no warranty of performance, calibration, cleanliness, coating condition, or fitness for any specific application.

Shipping note:
Will ship carefully packed with padding in a rigid box. Optical surfaces and connector end will be protected as much as possible during packing.