(faster shutter speed / less light). Aperture (or f-stop) refers to the size of the opening in the lens of the camera when a picture is taken. As you are focusing the camera, the lens is wide open with the largest aperture supported by your lens.
The harvest season typically falls between August & October in the Northern Hemisphere and February & April in the Southern Hemisphere. With various climate conditions, grape varieties, and wine styles the harvesting of grapes could happen in every month of the calendar year somewhere in the world. In the New World it is often referred to as the crush.
Steps. 1  1. Start with fresh green or purple grapes. Be sure they are fresh, ripe, not mushy or otherwise blemished. 2  2. Remove the larger stems from the grapes and wash them thoroughly. Do not remove all grapes from the stems. 3  3. Place them on a tray. Use a wooden, wicker, bamboo, or plastic tray that is slatted, so air can circulate around the fruit.