Jpeg or RAW ( & Why) June 2013

Started Jun 8, 2013 | Photos thread
knickerhawk Veteran Member • Posts: 5,571
Re: mmm

GeorgianBay1939 wrote:

knickerhawk wrote:

josbiker wrote:

Learn how too interpretative the "things" you see in the E.V.F. use e.g the spot meting and see what is going one with the expose fluctuations etc.etc.VERY, VERY important!

The problem here is that optimizing exposure for jpeg output is fundamentally different from optimizing exposure for RAW output. More specifically how one sets up camera defaults and how one utilizes the EVF and histogram/blinkies display needs to be different for jpeg shooting and RAW shooting. One set of recommendations doesn't work for both modes of shooting if one is hoping to get the very best possible image quality. An image that is hopelessly overexposed in jpeg may, in fact, be perfectly exposed in RAW. It is important to bear this in mind when doing a jpeg vs. RAW comparison. If you're starting with the same JPEG+RAW capture, you're in all likelihood starting with one or the other files being relatively handicapped.

Josbiker:

Yes, one of the benefits of shooting RAW and ETTR using Spot Metering is increased awareness of the light ... the variety of luminances of the scene, by watching the histo (in the case of Pannys) and/or the blinkies (in the case of Oly).

knickerhawk:

In my limited experience (about 9 months shooting RAW) your comments above are critical to loading the sensor optimally. Unfortunately the distinction between sensor loading (exposure) while shooting RAW and shooting JPEG seems to be lost to many photographers. I wasted a lot of time shooting RAW without understanding sensor loading. Gollywop's Article Exposure vs Brightening is a big help. So is the Cambridge Colour Tutorial on The RAW File Format .

Tom, thanks for renewing my faith in the power of this forum to educate! It's clear that in your (short) 9 months of shooting RAW you've already come a long way in understanding and applying the theory. As I suspect you've discovered, it's liberating to deepen one's understanding of what's really going on insider your digital camera. It's a never ending journay though. I still struggle with some things and find myself continuing to benefit from these forums. It's just too bad that one has to sift through a lot of noise (and nonsense).

I would just caution you to be careful when reviewing the content on Cambridge in Colour. He does an excellent job of illustrating difficult concepts but he sometimes cuts corners and oversimplifies issues in a way that borders on being misleading (and some woudl say it doesn't just "border").

It appears that there are some photographers around who tend to extrapolate their film experience to JPEG shooting to RAW shooting without understanding the fundamental differences is how to expose (in the Gollywop sense) the light-sensitive material. That extrapolation is reinforced by misleading terminology (Exposure sliders in Lightroom) and by misleading concepts (Exposure Triangles). That probably doesn't bother experienced photographers but certainly slows the learning rate for beginners like myself.

Yep. There's quite a bit of legacy terminology and legacy thinking that causes confusion. I suppose the good news is that this problem will slowly go away as us old farts who learned in the film world die off and new photographers (and the supporting technology) find no need for or value in the old ways of thinking about exposure.

PS knickerhawk: Although presumptuous of a beginner like myself, your use of tonal value is extraordinary! Beautiful work, especially in Spain 2010 .

Very much appreciate the comment! Glad you enjoyed looking at the site, but it needs a lot of clean up and editing of old stuff and adding the new stuff. Never enough time...

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