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TWO (2) PERFECTLY MATCHED BRASS ANTIQUE LENSES FOR WET PLATE STEREO CAMERA - FOR MAKING STEREO PHOTOGRAPHS - CIRCA 1870 - 1880. Set of TWO lenses as shown. Each lens have the EXACT SAME focal lengths. Each lens is IDENTICAL and are a perfect matched pair. On threaded end both lenses measure exactly 2" across or 2" Diameter. Both lenses are 3 3/8 long end to end. There are no mounting flanges for the two lenses. Both lenses have dark patina from age, and discoloration. Wear and tarnish is consistent with age and use but overall displays nicely. All original lens elements present. They are part ...

   This is a rare opportunity if you are a Medium format 3d enthusiast. This was a prototype I had designed and built by an opto mechanical design firm to my specs back in the late 2000s. The goal was to make a single panel that housed two 47mm fl Schneider Digitar lenses, with the shutter releases synced with a single cable release as seen in the picture. It took 1.5 years and several prototypes to reach this working model. My plan was to integrate it with a film back for a relatively compact and super sharp MF 3d camera. But I got side tracked by life, and never did phase II. ...