(Are you sure about the shutter time? Assuming this is broad daylight, you're two stops behind with a red 25A. So at f/16 you would need about 1/25s exposure. At f/8 that's about 1/100s. You should technically be about 4.5 stops under-exposed at 1/2000 s).
(Are you sure about the shutter time? Assuming this is broad daylight, you're two stops behind with a red 25A. So at f/16 you would need about 1/25s exposure. At f/8 that's about 1/100s. You should technically be about 4.5 stops under-exposed at 1/2000 s).