Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Astronomy
Telescope Magnification Calculator
Compute the effective magnification of your telescope with any eyepiece and Barlow lens combination. Ideal for planning high-power planetary sessions or choosing the right Barlow multiplier.
Fill in the required fields to see your result.
Astronomy
Solar Eclipse Duration Calculator
Estimate how long totality or partial coverage will last at your location during a solar eclipse. Enter the eclipse path width, Moon shadow speed, and your latitude to get duration in seconds.
Fill in the required fields to see your result.
Key differences
| Telescope Magnification Calculator | Solar Eclipse Duration Calculator | |
|---|---|---|
| Category | Astronomy | Astronomy |
| Inputs required | 2 | 4 |
| Result | Magnification (x) | Eclipse Duration (seconds) |
| What it does | Compute the effective magnification of your telescope with any eyepiece and Barlow lens combination. Ideal for planning high-power planetary sessions or choosing the right Barlow multiplier. | Estimate how long totality or partial coverage will last at your location during a solar eclipse. Enter the eclipse path width, Moon shadow speed, and your latitude to get duration in seconds. |