: If your specific gear isn't listed, you can manually enter focal lengths, aperture, and sensor dimensions to get accurate results. Target Simulation
With dozens of IMX sensors (533, 571, 455, 585), each with different aspect ratios and quantum efficiency, visualising FOV for each sensor before buying has become essential. The “hot” question on forums: “Which camera perfectly frames the Veil Nebula on my RedCat 51?” —answered only by a calculator. astro+fov+calculator+hot
: Most tools include pre-loaded databases of popular telescopes (e.g., Celestron, Sky-Watcher), cameras (e.g., ZWO, QHY), and eyepieces. Target Selection : If your specific gear isn't listed, you