Bausch & Lomb 10x 16mm 0.25 N.A. Microscope Objective

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Bausch & Lomb 10x / .25 / 16mm divisible microscope objective lens

Bausch & Lomb 43x 4mm 0.65 Microscope Objective Lens

Bausch Lomb Microscope ESM 10x 4x Objective 311927-120

B&L BAUSCH & LOMB 10X MICROSCOPE OBJECTIVE 10 X 31-22-81

Bausch & Lomb 30mm 0.09 3.5x Microscope Objective Lens