APERTURE ARE BLADES FREE FROM OIL. PLEASE REQUEST AN INVOICE BEFORE PAYING. "AS IS" items are not returnable unless they do not match the item description. "AS IS" items are NOT warranted to be operational or functional. We do not mark merchandise values below value or mark items as "gifts" - US and International government regulations prohibit such behavior.The item "LEICA 5CM 50MM F2.0 SUMMICRON THREAD MOUNT #1103475 COLLAPSIBLE +CAPS" is in sale since Wednesday, June 8, 2016. This item is in the category "Cameras & Photo\Lenses & Filters\Lenses". The seller is "berniesphotocenter" and is located in Pittsburgh, Pennsylvania. This item can be shipped worldwide.