How wide is a 7.5mm FE on the GH2?

Started Apr 16, 2014 | Questions thread
AndyGM Contributing Member • Posts: 698
Re: How wide is a 7.5mm FE on the GH2?

Right, I think I can work this out myself.

The sensor diagonal stays the same on the multi aspect sensor no matter if you are in 4:3 or 16:9 mode. So the diagonal is 21.67mm.

This means the horizontal in 16:9 mode is 18.88mm.

Stick this through the equation for equisolid projection, and you get 152 degrees.

So there is your answer, 152 degrees in 16:9 mode, and 138 degrees in 4:3 mode.

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