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20130315-IMG_9987_Bausch & Lomb Balcotad 4inch f3.5 Projection lens
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20130315-IMG_9958_Bausch & Lomb Balcotad 4inch f3.5 Projection lens
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20130315-IMG_9930_Bausch & Lomb Balcotad 4inch f3.5 Projection lens
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20140129-IMG_8510_Bausch & Lomb Balcotad 4" f3.5 Projection lens