This accessory will fit our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). Our Diaphragm for Optical Bench allows you to cycle through six different size aperatures: 2mm, 4mm, 6mm, 10.75mm, and 14.85mm.
PRODUCT WARNINGS
WARNING: This product can expose you to chemicals including nickel, lead, and styrene, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.