Page 1 of 1

New Feature : ETTR mode

Posted: 20.12.2012 15:49
by D600vince
Hi,

ETTR stands for expose to the right.

Basically it's exposing so the histogram is the most full à it's right end as possible without cliping. That's the only way to get the best from the sensor (best per pixel quality, much less noise, more room for shadow recovery etc). Of course that's in RAW.

So nowadays to do it, you've to over expose step by step and check the histogram to get from the computer exposure to the most optimal one. So it involves some tries.

Helicon could just figure it out much faster than us, perhaps even without any iterations, just by computation.

That's for a single exposure, so it works with live moving subjects.

Afterwards, helicon could go a notch deeper by showing the preview compensated for the ETTR, that means rather than previewing the jpeg as shot, which would lead to overexposure, it would preview it underexposed by the delta between camera auto's exposure and Helicon's ETTR setting.


To learn more about ETTR see that blog
http://diglloyd.com/blog/2012/20121127_ ... lt-in.html

Re: New Feature : ETTR mode

Posted: 24.12.2012 12:55
by Stas Yatsenko
Thanks for this hint. This is very interesting method, it is certainly worth implementing it in our software. We will try to implement this in future versions. I am not so sure about Live View - it may differ too much from the actual shooting.

Re: New Feature : ETTR mode

Posted: 24.12.2012 13:55
by D600vince
Stas Yatsenko wrote:Thanks for this hint. This is very interesting method, it is certainly worth implementing it in our software. We will try to implement this in future versions. I am not so sure about Live View - it may differ too much from the actual shooting.
Great News Stas, you'll see hords of advanced photographers buying your software with that

I wasn't refering to live view, but to preview (the button that seesm to actualy take a picture).

Re: New Feature : ETTR mode

Posted: 13.08.2013 16:44
by D600vince
Hi Stas, any news on that ETTR mode ?

Re: New Feature : ETTR mode

Posted: 14.08.2013 12:58
by Stas Yatsenko
Not yet, have been busy with Wi-Fi functionality and fixing bugs pretty much all this time.