Work - Astro+fov+calculator+hot

A warm scope in cold air creates internal convection currents that blur stars, effectively reducing usable resolution and shrinking your “effective FOV” for fine detail. Modern FOV tools highlight this by offering “seeing-limited” overlay modes—showing what your sensor actually records, not what optics theoretically deliver.

When a CMOS sensor runs for 30 minutes in summer, it gets physically hot. Thermal current creates “dark current noise.” A hot FOV calculator now asks: astro+fov+calculator+hot