in excellent condition Oculus BIOM 3e SDI 3e all electric. The unit are in excellent condition and the BIOM was recently serviced by Oculus. The optics are clean with no chips or scratches. The units are working flawlessly from the optical, electric and mechanical points of view. The set comes with reusable lenses (reduction lens and a standard multi-purpose wide-field lens). If you are interested, an additional high-magnification high-resolution lens for macular procedures such as ILM peeling can be including for $1850 extra. The set comes with 90-day money back warranty.