(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. 2  2. Remove the larger stems from the grapes and wash them thoroughly. 3  3. Place them on a tray.  4. Place them outside in a dry sunny place (this requires warm, dry 1  weather). 5. Let them sit out in the sun for 2-3 days, or until dry (taste test).