The "measured ISO" of the GH3: Surprise, surprise

Started 5 months ago | Discussions thread
Steen Bay
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Re: The "measured ISO" of the GH3: Surprise, surprise
In reply to Anders W, 5 months ago

Anders W wrote:

richarddd wrote:

Anders W wrote:

With the E-M5, it has become far easier for me to quickly reach the goal of perfect ETTR exposure (up to the clipping point but not beyond) than it was with the G1 or the Pentax K100D that I used before that. It is sometimes quite difficult to spot meter accurately, e.g., because the brightest highlights are scattered and individually too small to be properly isolated by the spot meter. In that case, there was previously quite a bit of trial and error involved (try an exposure, chimp to check the blinking highlight warnings, try again, and so on). Thanks to the live view "blinkies" on the E-M5, I can now nail it right away. Here's the way I work it with the E-M5:

http://forums.dpreview.com/forums/post/42348198

Are you saying increase exposure until the live blinking highlight warnings appear in areas in which you want to preserve detail (and not use the meter at all), then adjust the image in post processing?

Yes, that's it. I know this works well with the camera settings listed in my post. Haven't checked how it works with other settings than those. I now use spot metering only as a supplement when, for one reason or another (as indicated in the post I linked to), the live view "blinkies" don't work as they should.

Last weekend, I went for a walk with my wife in the lovely winter weather we happened to have at that point. I used the LV blinkies for exposure all the time and for fun checked exposure by means of RawDigger when I came back home. Every one of them was exposed just the way I wanted, with the highlights being right at the clipping point but not beyond. At most, I got a thousand or so pixels clipped per channel, which of course doesn't matter at all.

Did you shoot RAW + JPEG? If so, were the JPEGs clipped, with lost highlight detail? Isn't the 'blinkies' a reliable highlight warning for the JPEGs too?

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