Olympus OM-D (EM-5) comparison samples are now.. (continued)

Started Mar 17, 2012 | Discussions thread
RicksAstro Veteran Member • Posts: 3,853
Re: We don't use the cameras' metering

Andy Westlake wrote:

snoack wrote:

you are using multi segment exposure for all your tests.

Actually, we're not. We use manual exposure to set specific grey patches to the same brightness. The camera's metering is not involved in this process at all.

Let's take this to the extreme...say Camera A requires 4 stops longer shutter speed to attain this brightness level under the same lighting as camera B when these cameras are set to the same ISO. And let's assume noise performance is 100% related to how much light hits the sensor and that A and B have the same sensor technology, the only difference is how the ISO is rated.

In your comparison tool, will camera A be given a 4 stop advantage due to the longer shutter speed? I know you address the ISO sensitivity elsewhere in a review, so it would come out, but I'm just talking about the comparison tool only.

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