1. An imager apparatus, comprising: a plurality of groups of optical lenses; a lens frame and at least one lens barrel configured to position and hold the plurality of groups of optical lenses, wherein at least one of the groups of optical lenses is movable with respect to at least one other group of optical lenses for achieving optical focus; an integrated circuit (IC) imager die in proximity to the plurality of lenses, the imager die containing at least one image capture microelectronic device; and at least one processor communicatively coupled to the imager die, wherein the at least one processor is configured to control an amount of light exposure of the at least one lens barrel, and wherein the amount of light exposure is based on one or more wavelengths associated with the at least one lens barrel.