MASK ALIGNER – Karl Suss MJB3 Mask Aligner Karl Suss MJB3 Mask Aligner 401001 Aligner appears to be in decent cosmetic condition with quite a few signs of normal wear and previous use. Having no knowledge or equipment to test properly, it is being sold as-is. Features: Leitz Wetzlar microscope with Periplan GF 16X eyepieces Objectives: H20X/.0.40, NPL 5X/0.09, and 10X/0.18. Price? Negotiable! Name Please? And Your Email? What may we assist you with?