Mossy grass

I only use this app for Astro photography, and when I get the focus locked it works wonderfully. The only thing that would make this app perfect is being able to manually set the focus with a slider rather than having to lock on to a distant object. When I’m taking pictures of the stars somewhere there is no distant light source, it is very difficult to set the focus to the right distance. Having an exposure slider would also be nice but it isn’t as big of an issue. I would also like to be able to toggle HDR. But adding a focus slider would make this the ideal app for taking pictures of the st