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Actual FOV 23 f2 not 35mm equivalent?

Started May 8, 2018 | Discussions thread
Truman Prevatt
Truman Prevatt Forum Pro • Posts: 14,596
Re: Actual FOV 23 f2 not 35mm equivalent?
7

The problem here is Fuji does not make a 135 format camera.  This whole business of "equivalence" is nothing more that to give talking heads opportunities to sell advertising on YouTube.  Lets carry this to the logical extreme to see how ridiculous it is. The more or less equivalent to a 135 format 35 mm on a 4x5 is 124 mm.  Oh wait the 4x5 is not the same aspect ratio as the 135 format, now does equivalence that make any sense.  It doesn't.  It also doesn't make much sense since there are other optical parameters, such as axial magnification that are dependent on absolute - not relative - focus length.

Each format has its pluses and each format has its minuses.  However, across the board, there is no true total optical "equivalence."

The 23 on the APS-C is what it is.  Either enjoy it or not.  Stop worrying about what it means in FF.  That is at best an approximation and it is at best a first order approximation.

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Truman
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