This is the CFS1ND, a Sliding Filter Mount Bundle with Two CFS1-F1 Inserts and Four ND Filters, compatible with 8-32 tap lens tubes. The item is sourced from Thorlabs, a renowned brand in the optical industry, and is part of their Hardware line.
The CFS1ND is a Mount Accessory, specifically an Optical Filter Mount, designed to accommodate circular optics with a maximum size of 25.4 mm. It is compatible with SM1 lens tubes and features an 8-32 post mounting screw.
The bundle includes two CFS1-F1 inserts and four ND filters, providing versatility and flexibility in optical filter applications. The item's parameters are all in the Imperial system, making it suitable for users who prefer this measurement system.
For more detailed information, including the item's web link and step file, users can refer to the item data provided. The web link is valid and indicates that the item is in stock, ensuring quick delivery for those who wish to purchase it.