You might get better resolution than you think. Using the sun as a gravitational lens you could image the exoplanets at alpha centuri with meter resolution. If

You might get better resolution than you think. Using the sun as a gravitational lens you could image the exoplanets at alpha centuri with meter resolution. If you're using a black hole as the lens then you might be able to image organisms at sub millimetre resolution from thousands of light years away.