The Vantage One4s contain no floating elements, no aspherics and no expanders – only the best spherical elements. Vantage One4 lenses are original designs that deliver their full optical power to new, larger formats, while also offering super close focus, compact design, and mechanical robustness.
Vantage One4 (PDF)
VantageOne4 – Technical Data (PDF)
Vantage One4 140mm (PDF)