Contax 85mm/135mm Rangefinder Viewfinder Attachment
This extremely rare and unusual Contax rangefinder viewfinder attachment is in excellent condition overall. Made for your Contax C rangefinders such as the IIA and IIIA and your 85mm and/or 135mm lenses. Attaches over the front and rear of the viewfinder creating a frame mask for your longer lenses and has a wheel to correct for parallax error. Cosmetically very clean with very modest signs of wear. Mounting well. An extremely rare and unusual original Contax Zeiss accessory. In excellent condition overall.