ND503A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.3

The ND503A is a Neutral Density Filter from Thorlabs, designed with a circular base shape and a diameter of 12.7 mm. This filter is made of n-BK7 Schott material, a popular choice for its excellent optical properties and versatility. The ND503A boasts a thickness of 1 mm, ensuring durability and precision.

This filter features a front and back coating of tho nd03, which is Thorlabs' proprietary Neutral Density coating. This coating provides an Optical Density of 0.3, making it ideal for applications that require a reduction in light intensity without altering the color composition of the light. The coating also enhances the filter's durability and resistance to environmental factors.

The ND503A is mounted with an SM05-threaded mount, ensuring a secure and stable fit within optical systems. This mount is compatible with a wide range of Thorlabs' optical components, providing flexibility and convenience in system design.

According to the vendor's information, the ND503A is currently in stock, indicating its availability for immediate purchase and delivery. For more detailed information, users can visit the product webpage provided by the vendor.