Can your guide system keep up?

Compare your main imaging resolution against your guiding resolution to see if your guide setup can detect errors small enough to matter.

Inputs

Main Scope Focal Length (mm)

Main Camera Pixel Size (µm)

Guide Scope Preset

Guide Camera Preset

Guide Scope Focal Length (mm)

Guide Camera Pixel Size (µm)

Results

Adjust the inputs to see results.

Guiding ratio = guide image scale / main image scale. Both use 206.265 × pixel size / FL.

All formulas verified by automated tests.