No discounts. Wimberley AP-555 Replacement Lens Foot Nikon 400 f2.8 FL, 600 f4.0 FL, 800 f5.6 FL - Arca-Swiss style - Made in the USA Made-to-order product Used only a few times after purchase. There are very slight scratches due to use, but it can be used without any problems. Everything in the pictures is included. Since I don't use it, I hope someone will make good use of it. Please note that to prevent any trouble, I will not offer exclusive sales or holds. All listed items are in my possession, so I can ship them immediately. "Excluding Saturdays, Sundays, and holidays" Thank you! Replaces the stock foot on Nikon Lenses (See list below, compatibility chart image, or our website). Installing this support will lower the overall height of the supported lens by 3/8 inch. The AP-555 is precision-machined and slides directly into Arca-Swiss style quick-release clamps. It also has 1/4 inch and 3/8 inch tapped holes for mounting to tripod heads and monopods that are not quick-release. All replacement feet feature the same dual safety stops and flash bracket compatibility as our lens plates. Can be used with the following lenses: Nikon 400 f/2.8 E FL Nikon 600 f/4 E FL Nikon 800 f//5.6 E FL