ND506A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.6

The ND506A 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 ND506A boasts a thickness of 1 mm, contributing to its durability and precision.

This filter features a front and back coating of tho nd06, which is Thorlabs' designation for a specific type of Neutral Density coating. This coating provides an Optical Density of 0.6, which is equivalent to a transmission of approximately 32%. This makes the ND506A an ideal choice for applications where light intensity needs to be reduced without altering the color composition of the light.

The ND506A is mounted with an SM05 thread, a common thread size in Thorlabs' optomechanical components. This mounting system ensures a secure and stable fit, allowing for easy integration into existing optical systems. The filter's thin lens shape further contributes to its compatibility with various setups.

According to Thorlabs' website, the ND506A is currently in stock, making it readily available for immediate use. For more information, users can refer to the provided weblink, which leads to the product's page on Thorlabs' official website.