Why does the same f-number mean same amount of light?
53448
Do bigger focal lengths capture more light?
17699
The numlock light is reversed
101186
What does "frequency" mean in an image?
108074
Exact relationship between electric field and intensity
127543
Determining the path of a light ray
21013
Why are two identical objects not equal to each other?
41537
How does light combine to make new colours?
129566
What happens to light in a perfect reflective sphere?
15895
Why is there a difference between additive and subtractive trichromatic color theories?
93222
How does sensor size affect the brightness of an image given the same field of view and aperture?
116068
How to determine exact contrast ratio
120746
How exactly does applying the Equipartition Theorem to radiation leads to UV catastrophe?
28488
I am confused about the idea that the speed of light is independent of the speed of the source of light
107782
Does light reflect if incident at exactly the critical angle?
17488
Why is FF sharper than crop body for the same framing of the same object?
13688
Why are these numbers not equal?
58775
What exactly does the *frequency* of a photon mean?