Check the listing for details. Adjustable Diaphragm Mechanical Iris 1.5-25mm Aperture Camera Microscope Module. Condition: New. Listed at 15.20 USD. 1pc 1.5-25mm Iris Diaphragm Manual Aperture Condenser Laser Camera Parts Condenser with 14 Blades Description Diameter: 37mm Thickness: 5.5mm Shutter: Opens to a max diameter of 25mm Closes to a minimum diameter of 1.5mm Number of leaves: 14 Adjustable Iris diaphragm series is used in the optical system, it can provide different diameters to meet different requirements of light, by adjusting the handle to change the aperture diameter. It can be customized according to drawings or sample processing or your requirements. Packing List: 1*Iris diaphragm Shipping Items are normally shipped within 1-2 working days of receiving (cleared) payment and will be shipped by air parcel to worldwide. We do offer combined shipping discount if you pay all together.The shipping & handling fee includes packing, warehouse and distribution costs, not postage only, these are non- refundable.The estimated shipping time is about 10 to 20 days to arrive buyers' location. All items will only be shipped to the address you registered with PayPal. please make sure yourshipping address on Ebay is correct BEFORE placing your order. Contact Us Your satisfaction is important to us. If you are not satisfied with our products/services, please contact us BEFORE leaving us any neutral or negative feedback. We will try our best to resolve any issue. If you satisfied our items and service, hope you could leave a positive feedback with all stars for me. We are using the automatic eBay Feedback system which would automatically leave positive feedback after receiving positive feedback. You can contact me if you have any questions. Our Business Hours（Beijing）: 8:30A.M.-5:30P.M. Mon-Sat