100X (S+Oil):Numerical Aperture (NA) 1.25 ;working distance 0.13mm. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Microscope Objectives". The seller is "pumpyy_official_store" and is located in this country: CN. This item can be shipped worldwide.