Prime vrs Zoom

At 300mm, the Nikon 300mm f4 beats the Nikon 70-300, both in IQ and the constant aperture. I'd be surprised if any third-party 70-300 beats the Nikon prime at the 300mm end.

In general, primes allow use of TCs, which can be very useful for wildlife shooting.

Denis

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I have made this letter a rather long one, only because I didn't have the leisure to make it shorter. Blaise Pascal, 1623-1662