Part II: with Kenko 1.4x teleconverter   With the additional Kenko 1.4x teleconverter the focal length range is changed to 11mm - 21mm. The DAV range is 115o – 60o (For comparison 115o DAV are provided by a 7mm rectilinear lens and 60o DAV by 19mm). An additional 20mm N120 extension and a longer extension collar for the zoomgear are required also.     ISO 200; @11mm; f: 8; 1/60s   ISO 200; @11mm; f: 8; 1/250s   ISO 200; @21mm; f: 8; 1/250s   ISO 200; @17mm; f: 9; 1/250s