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I accept the 1:1 definition, if we are going to be be pedantic about it. I have a 1:2 fully manual Tamron "macro" lens which therefore isn't really. I am a numeric dunce and have never understood why the ratio is expressed that way around. If the subject (1) is half size on the sensor (2), shouldn't that be 2:1? Is the ratio not life:sensor?I was thrown out of the maths class as a no-hoper.
I accept the 1:1 definition, if we are going to be be pedantic about it.
I have a 1:2 fully manual Tamron "macro" lens which therefore isn't really. I am a numeric dunce and have never understood why the ratio is expressed that way around. If the subject (1) is half size on the sensor (2), shouldn't that be 2:1? Is the ratio not life:sensor?
I was thrown out of the maths class as a no-hoper.