Praktina Lens
Carl Zeiss Jena 58mm f2. Auto Biotar (semi-automatic)
| This 58mm f2.0 Carl Zeiss Jena Biotar lens can be only be properly used on Praktina FX , Version 2 and the Praktina IIa, Version 2 cameras. The diaphragm has to be manually cocked open for focusing and then when the shutter is fired, the diaphragm will stop down to the desired aperture selected. |