// multi-utility computation suite · offline · instant · precise
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sci.telescope-aperture Calculator
Calculates telescope aperture, resolving power, limiting magnitude, and minimum magnification from optical parameters. Rayleigh criterion: θ = 1.22 λ/D — a 200 mm telescope resolves features separated by 0.69 arcseconds at 550 nm wavelength.
Inputs
D
Reference formula or conversion factor shown for context.
F Ratio
Reference formula or conversion factor shown for context.
Wavelength
Distance between successive wave crests. Related to frequency: λ = speed / frequency.
Ep
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Results
focal length (mm)
The computed linear length.
resolution (arcsec)
Sample size or count used in the calculation.
limiting magnitude
Sample size or count used in the calculation.
light grasp vs naked eye
Sample size or count used in the calculation.
magnification at
The value at the specified point or condition.
exit pupil (mm)
Reference formula or conversion factor shown for context.