Let's say, there are two observers A and B moving with respect to each other with relative velocity v. Now, when we say, the speed of light is same for every observer, does it mean that the speed of light measured by A and B in their own frames, as well as the other's frame will be same? That means, If A tries to figure out, what will be velocity of light in B's frame, as observed by B, will he come to the answer c (ca. 300,000 km/s), or some different answer? The reason to ask this is: Let's say there is a long rod (300,000 km) in B's frame, which B uses to determine speed of light (by checking the time, 1 s, for light to go from one end to the other). Now, A and B being in relative motion, A will see B's rod contracted, while B's time dilated, which will tell him that the speed of the light is decreased in B's frame by some Lorentz multiple? Is that correct?