This will disable dual ISO if it is not needed. Let ETTR change Dual ISO settings so you get the SNR values in mids and shadows. Link to Canon shutter Hack to adjust the slowest shutter from main dial. Stop underexposing when at least 5% of the image gets noisier than selected SNR. Stop underexposing when at least 50% of the image gets noisier than selected SNR. The same for the sun reflected off polished metal and similar situations with extreme highlights.Īllow clipping OFF, Green channel & Any channel. Use this to allow spec(ta)cular highlights to be clipped.Įxample: In standard situations with the sun in frame it makes no sense to prevent the sun from being blown out because the rest of the pic will be vastly underexposed.

Percentage of bright pixels allowed above target level. Set your lowest speed.Įxposure target -0.5, -1, -2, -3 & -4EV. Trigger mode Always ON, Auto Snap, Press SET & HalfS DblClick. Tip: on the raw histogram you will see an ETTR hint that can be used for manually exposing the image. You will usually have to darken the image in post (which is good). slowest shutter, max ISO, or what highlights can be clipped). This will minimize image noise for your given set of restrictions (e.g. ETTR is a technique that optimizes your exposure for raw shooting, with the goal of minimizing noise without accidentally blowing the highlights.Īuto ETTR will adjust the exposure for you until the histogram will touch the right side, but - whenever possible - without clipping.

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