Related by context. Frequent words. (Click for all words.) 48 focal length 43 micrometer 42 picoseconds 42 magnification 42 angstrom 42 camera viewfinder 42 lens 41 eyepiece 41 lenses 41 #/#th [001] 40 angstroms 40 camera lens 39 femtosecond 38 μs 38 viewfinder 38 micrometres 38 picosecond 38 #.#seconds [003] 38 diffractive 38 shorter wavelengths 37 ten thousandth 37 attosecond 37 magnifications 37 #:#.# [010] 37 millimeter 37 maximal 37 femtoseconds 36 #mV [002] 36 varying distances 36 millionths 36 micrometers 36 #ms [002] 35 microns 35 #.#km [002] 35 imperceptible 35 thousandths 34 jerkiness 34 planet orbits 34 mV 34 milliseconds 34 1MHz 34 eyepieces 34 nanometers thick 34 spatial dimensions 34 smallest lightest 34 angular momentum 33 microns thick 33 superposition 33 parentheses denotes 33 #rpm [001] 33 infrared beam 33 millisecond 33 output voltage 33 hundredth 33 periodicity 33 wavelength 33 viewfinders 32 simultaneity 32 photon 32 almost imperceptible 32 gamma ray burst 32 wavelengths 32 celestial object 32 blinks 32 angle 32 nanosecond 32 behind Nocentini 32 #ns [001] 32 msec 32 microwave frequencies 32 excitation 32 minutest 32 funhouse mirror 32 pinhole 32 leisurely pace 32 microsecond 32 Goumri 31 billionths 31 nanometers 31 magnifying lens 31 1m #.# 31 photons 31 digital readout 31 Tuitert 31 #x [001] 31 thousandth 31 prism 31 centimeter 31 electron volts 31 jerky movements 31 1min #.#sec [004] 31 1km 31 qubit 31 unblinking eye 31 #ms [003] 31 tenths quicker 31 polarization 31 stopwatch 31 atomic clocks 31 hydrogen atom 31 Zapruder film