Check the listing for details. Flir Series E4 E5 E6 E8 E9 ZnSe Macro Lens 20mm Holder Adjustment Tripod Holder. Condition: New. Listed at 35.00 USD. These are FDM Printed and super Awesome but if ya want something a little more pro and injection molded type finish check the resin version out here:https://www.ebay.com/itm/144061751952 This is a set tools to get your E series cam working better for electronic inspection or other applicationsFlir Series E4 E5 E6 E8 E9 Lens Holder + Case - Lens Holder Has Been Upgrade to V2 Better Easier to Insert Remove!USB BraceLens Adjustment ToolTripod Holder NO TRIPOD You will need a 20mm Diameter Macro Lens choose your focal i use a 50.8mm 2 Inch seem good for electronics, some can be found on ebay item numbers:193274799948152310493227 You can search ZnSe Focus Lens 20mm diameter.There about 20 bucks Any questions just ask!