There is no magical size/weight advantage

Started 4 months ago | Discussions thread
nigelht
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Re: What "exactly" is an equivalent lens as regards to the sensor size?
In reply to nigelht, 4 months ago

One example of where the smaller Nikon 1 sensor outperforms most, if not all, Nikon FF sensor is video image quality. It's fast enough to clock out all the lines and sub-sample for better image quality vs most DSLRs that line skips to get to the desired HD resolution.

DE: I’m curious, then -- most DSLRs do video by line skipping. Does the D5300 read out all the lines, and then perform sub-sampling in the processor?

TY: Not to that extent, although the Nikon 1 does.

DE: The Nikon 1 reads out all of the sensor pixels?

TY: Yes.

DE: Ahh… That’s why Nikon 1’s video is very good.

http://www.imaging-resource.com/news/2014/02/14/nikon-qa-head-of-development-sees-interchangeable-lens-slowdown-as-an-aberr

That may be the exception that proves the rule but the flat "same ISO = crappier IQ on smaller sensor" is false in at least one use case of current sensor vs current sensor.

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