COMPACT ZOOM LENS

摘要: PURPOSE:To provide a zoom lens without losing the compactness even when first group is fixed at time of zooming and holding high optical performance by giving one more positive negative lenses to second group, respectively satisfying specified condition. CONSTITUTION:In comprising Gr1 having refractive power, Gr2 power third Gr3 performing operation changing intervals respective groups, are included in Gr2, conditional relations: 0.08