Sony A7 vs A6300 for low light photography (ISO3200)

Started 10 months ago | Discussions thread
rich07 Regular Member • Posts: 129
Re: Sony A7 vs A6300 for low light photography (ISO3200)
2

Except that charts like this can be misleading.

Sure, the A6300 and A7 match their PDR curves for higher noise, but that is not the entire story.

The sensor size itself accounts for a +1EV difference. Or, if you were exposing at ISO 3200 and e.g. 1/60th on the A6300, using f/1.8, you'd have to use f/2.8 on the A7 to match this. In practicality, you'd be using f/1.8 on the A7 and sacrifice DOF, and the result'd be that you would be shooting at ISO 1600 for a +1EV less noisier picture.

Hi Henry,

What I'm disagreeing with is the above paragraph which is implying that under the same conditions  APS-C 1/60th f/1.8 ISO1600 will provide the same exposure as FF 1/60th f/2.8 ISO1600.

Go to the DPR test scene, full screen, click on the "i" in the bottom right hand corner to see exif detail, you will see that ss/aperture/iso are the same between FF and APS-C Sony's.

The A7 might be a touch cleaner than the A6300 at equal ISO's, depending on where you look.

Just don't imply that OP needs to be comparing A6300 ISO1600 with A7 ISO3200 for a like for like comparison (without evidence anyway!).

Thanks,

Rich

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