DawesFocalLength is a handy app made for astronomy lovers and telescope users. It helps you do quick and accurate optical calculations without any confusion. From checking your telescope’s effective focal length to finding the right back focus or image scale, everything is in one place.

The app also helps you understand resolution limits, magnification effects, and field of view. You can easily plan setups, balance your mount, and check polar alignment drift. Whether you’re a beginner or an experienced observer, this app makes telescope setup and performance easier to understand.

DawesFocalLength turns complex astronomy math into simple, useful tools for everyone.