... : "S" standard outfit; "O" for optionalComponentSpecificationsBP-30BP-30DBP-30BViewing headMonocular head,45Oinclined,360OrotatingDual viewing head, 45Oinclined,360Orotating Binocular head,45Oinclined,360OrotatableSOO OSOOOS EyepieceWF10X-18mm ... w/lock & keysAluminium-alloy Enstrument CaseSOOSOOSOO Hot Sale!Biological Microscope for Research Use BP-30 Series