Sparrowhawk keeping birds away?

Hi RSPB community. I have quite an established feeding regime in my garden nowadays, and in particular daily visits by numerous goldfinch. Late summer and in to Autumn the local sparrowhawk has been making far more regular visits. I've been lucky to see it perform some awesome aerial manoeuvres, and it has taken the odd bird (goldfinches) but usually misses. As the presence of the sparrowhawk has increased, I've noticed that there are less birds present at the feeders throughout the day. I just wondered what other experiences people had - do you think the predator means birds are now avoiding my garden perhaps? I love seeing the sparrowhawk of course, but just a bit concerned that it might put an end to my feeding of other birds, which gives me so much joy! I've put guardians on some of the feeders and the table also, so smaller birds have some protection. Thanks!