// multi-utility computation suite · offline · instant · precise
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sci.angular-resolution-telescope Calculator
Calculates the diffraction-limited angular resolution of a telescope or lens using the Rayleigh criterion θ = 1.22λ/D. The Hubble Space Telescope (D = 2.4 m) achieves 0.047 arcseconds at 500 nm — 10× better than ground-based telescopes limited by atmospheric seeing.
Inputs
Aperture Mm
Reference formula or conversion factor shown for context.
Wavelength Nm
Distance between successive wave crests. Related to frequency: λ = speed / frequency.
Magnification
Reference formula or conversion factor shown for context.
Results
resolution (arcseconds)
Sample size or count used in the calculation.
resolution (arcminutes)
Sample size or count used in the calculation.
Dawes limit (arcsec)
Reference formula or conversion factor shown for context.
magnification
The value at the specified point or condition.
Rayleigh: θ = 1.22λ/D
Reference formula or conversion factor shown for context.
200mm aperture resolves stars
Reference formula or conversion factor shown for context.