Wide-angle zoom lens having five lens units
Wide-angle zoom lens including at least one aspheric lens...
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system
Wide-angle zoom lens system having a high vari-focal ratio
Wide-angle zoom lens system having a high varifocal ratio
Wide-angle, high-zoom-ratio zoom lens
Wide-range, wide-angle, rotatable compound zoom