Set to Manual settings, put a nug under natural sun light or white light. Set your f-stop"aperture" to the lowest number which actually makes your lens open wider when taking a photo, next adjust your shutter speed until your cameras internal light meter says your balanced. Now zoom OUT all the way and them move the camera close to the bud and adjust the lens until you have a clear picture. "YOU MUST USE A TRIPOD" or have the camera setting on a desk with the bud positioned in front of it. Now snap a few photos at the current settings, then without moving the camera from its spot, adjust your shutter speed up one notch take a few photos, and then drop it 2 notches " 1 under the original" and take a few shots. You are sure to have a few winners.