1. An apparatus comprising: an image sensor, a sensitivity of which corresponds to an ISO value; a shutter, a speed of which corresponds to a shutter speed value; and a controller operatively coupled with the image sensor, the controller configured to: identify illuminance corresponding to an object external to the apparatus; determine whether the illuminance falls into a specified range of illuminance; based at least in part on a determination that the illuminance falls within the specified range, obtain a plurality of images wherein all of the plurality of images are obtained at a same ISO value and at a same shutter speed value; and refrain from obtaining the plurality of images based at least in part on a determination that the illuminance falls outside the specified range.