Imaging lens and imaging apparatus

An imaging lens comprising, in order from a position closest to an object side to an image side:

• a front lens group that has a positive refractive power and remains stationary with respect to an image plane during focusing;
• a stop that is disposed subsequent to the front lens group;
• a first focus lens group that has a positive refractive power;
• a second focus lens group that has a negative refractive power;
• and
• a final lens group that has a positive refractive power, is disposed closest to the image side, and remains stationary with respect to the image plane during focusing,
• wherein during focusing from an infinite distance object to a short range object, the first focus lens group and the second focus lens group move to increase a mutual distance therebetween,
• a lens surface closest to the image side in the front lens group is a concave surface, and
• a lens surface closest to the object side in the first focus lens group is a concave surface.