And THIS is why I'm switching to Fuji from Sony...

Started 8 months ago | Discussions thread
Tapper123
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Re: And THIS is why I'm switching to Fuji from Sony...
In reply to juvx, 8 months ago

Or perhaps the "incredibly cheap" Sony FE Zeiss 55 F1.8? (Same price as the Fuji 56mm F1.2)

Its a full FRAME LENS.. why cant people grasp that. Because of the sensor size you get a lot more LIGHT.. you'll get MORE light at 1.8 FF in then at 1.2 apsc... Technically its faster.

No, it's not more light. That's the whole point of aperture desigations - they are ratios. f1.2 allows more light than f1.8 in any given time period. That is exactly why bigger apertures are called "fast." Sensor size has no bearing. f1.8 is f1.8 in terms of light allowed in a given time regardless of sensor size.

The primary difference at a given aperture with FF is more limited depth of field relative to a smaller sensor.

So, the Fuji at f1.2 is faster than the Sony at f1.8, but they will be similar wide open in terms of DOF.

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