Nikon high-magnification fluorescent objective lens, 40x NA 0.85 160/0.11-0.23 - Model: Fluor 40 - Magnification: 40x - NA: 0.85 - Brand: Nikon - Accessories: Plastic case This is a used item from a single owner. There are no noticeable signs of use on the exterior. The lens is clear, and will be delivered in the condition it was received from the previous owner. We will only use a blower and will not clean the lens with wipes. Please understand this. Thank you for looking.