They are all oversharp. When you've processed them, have you just used the sharpen tool? Assuming you're using photoshop, you need to use Unsharp Mask (USM
) to carefully sharpen them.
Equipment: 2x Canon EOS 50D; Sigma 10-20 EX DC HSM, 50-500 EX APO DG, Canon 24-105 f/4 L, Speedlite 430EX