355392 4 mm Dia. D-ZLAF52LA Molded Glass Aspheric Lenses; EFL=2.8 mm; NA=0.6 Uncoated

The 355392 4 mm Dia. D-ZLAF52LA Molded Glass Aspheric Lens is a high-quality optical component sourced from Thorlabs. This lens, with a catalog number 355392, is designed for use in a variety of optical systems, offering a high level of performance and precision.

The lens is made of D-ZLAF52LA, a specialized glass material known for its optical properties. It has a diameter of 4 mm, making it suitable for use in compact optical systems. The lens features an effective focal length (EFL) of 2.8 mm, which is a critical parameter in determining the lens's magnification power and field of view.

The lens's shape is aspheric, which is a type of lens surface that deviates from a simple spherical shape. This design allows for superior optical performance, reducing spherical aberration and other optical distortions. The lens has a numerical aperture (NA) of 0.6, which measures the light-gathering ability of the lens and its ability to resolve fine details.

The lens is uncoated, meaning it does not have any anti-reflective or other surface coatings. While coatings can enhance the performance of some lenses, uncoated lenses like this one can offer advantages in certain applications, such as reduced cost and simplicity.

According to the vendor's website, this lens is currently in stock, indicating its availability for immediate purchase and use. The website also provides a direct link to more detailed product information, allowing users to delve deeper into the lens's specifications and capabilities.