Nikon P8000 vs Canon G1X

Started Mar 5, 2014 | Discussions thread
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BorisK1 Veteran Member • Posts: 5,525
Re: Nikon P8000 vs Canon G1X

Mark9473 wrote:

BorisK1 wrote:

mallbuedel wrote:

BorisK1 wrote:

In 35mm terms:

G1X II's lens is equivalent to 24mm f:3.6 - 120mm f:7.

P8000's lens is equivalent to 24mm f:4.9 - 120mm f:8.

Your f/stop calculations are a bit strange IMO.

I'm sitting at my desk and light from the window falls on it. Do you think the lit area gets darker if I use a smaller desk?

I think, if brightness stays the same, a smaller desk will collect less total light.

The equivalent f/stop only gives information on depth of field. It's not really needed as you can get to the same information by using actual lens focal length (not 35mm equivalent) together with actual f/stop.

It can be an indication of comparative noise levels if the sensor technology is the same, which is not the case here. This is the "total light" argument but it is flawed in case of different sensor technology.

It has no relation to the f/stop as it determines exposure; for this the actual f/stop as indicated on the lens is what matters.

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Both cameras use the latest model sensors.  Granted, they use different technology, but I'd be surprised if their noise levels are different by more than 1/2 stop or so.

Still, you're quite right in that the light sensitivity gives only a ballpark estimate.  We won't know the exact relationships until both cameras are tested.

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