Cooke Optics is rebranding its Panchro range of lenses as the Mini S4/i range.

Cooke Optics chairman and owner Les Zellan said: “We have become increasingly aware that the naming of our modern Panchros has caused some confusion in the industry.

“Many people are calling them Mini S4s anyway, because they provide the same high quality and benefits as the S4/i lenses.”

Zellan said the original name was “an affectionate tribute to the original Cooke Speed