The approach works and the small bar to operate simultaneously opening runs smoothly. The shutter operates properly only in the fastest speeds. It seems that the search is missing the front but there was one seems never installed. Adjusting the speed is smooth. Size is 6X13CM. This type with 85mm lenses Boyer Saphir 6.3 is quite rare. At the top of the camera there is a nice engraving of the house that sold this camera when sold new. Engraving"" Maison Rodolpho Bruxelles"" . The camera is generally in good condition with moderate signs of previous use. Shows paint rubbed. Shows some marks and scratches on the camera, both she and in place. The adjustment of the opening is smooth. The opening is in good condition, with some wear. Check the photos for details. Lenses, Boyer Saphir 85mm f / 6.3, the elements are in good condition. Show no cleaning marks, no scratches, no fungus, no separation, show haze over or between the elements. Altogether a beautiful and rare stereo camera. The camera comes with a glass plate on the back plate supports 10.