| 摘要 |
<p>Provided are a zoom lens and the like which are compact in size, have a small back focus, and have an excellent optical performance, said zoom lens including in order from the object side: a front group (G1) having a negative refractive power; and a rear group (G2) having a positive refractive power, wherein the variable magnification is carried out by modifying the air space between the front group (G1) and the rear group (G2), the front group (G1) includes at least one negative lens and one positive lens, the rear group (G2) includes, in order from the object side: a first section group (LA) having a positive refractive power, a second section group (LB) having a negative refractive power, a third section group (LC) having a positive refractive power, and a negative lens (LD), and a predetermined conditional expression is satisfied.</p> |
