Nex5n Owner bought an A7, shutter speed question

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ksarkar77
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Nex5n Owner bought an A7, shutter speed question
3 months ago

Hello All,

I have recently purchase a Sony A7. I was comparing it against my beloved Nex5n and I noticed a strange shutter speed behavior. I was shooting the same subject under same lighting condition with respective kit lenses wide open, i.e, 18-55 on Nex5n @F 3.5 and 28-70 on A7 @ F 3.5.

Here is the shutter speed and other details.

Nex5N: 18 mm, ISO 3200, Shutter Speed 1/50, F 3.5

A7: 28 mm, ISO 3200, Shutter Speed 1/20, F 3.5

I was expecting that A7 would record higher or at least the same shutter speed compared to Nex5n as Nex5n is shooting 18 mm @f 3.5 (27 mm f 5.2 on full frame equivalent after considering the crop factor).

Is my Sony A7 broken? Or am I missing something?

I have started learning f stops, shutter speed and crop factors and so on very recently, so if it is very silly question then please forgive my ignorance.

Thanks

Kuntal

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