1. A method of conducting an online visual search through an augmented reality (AR) device having an optical see-through head mounted display (HMD), said method comprising: identifying a portion of an object in a field of view of the HMD based on user interaction with the HMD; capturing an image of the portion, wherein the size of the image is less than the size of the object in the field of view; and transmitting the image to a search engine.