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Landscape photography
Saronic Sunset
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<blockquote data-quote="panos_adgr" data-source="post: 2503" data-attributes="member: 12"><p>You are welcome Andy!</p><p>It is used also for other reasons such as normal landscape shots of high dynamic range. You can do stacking with multiple exposures with high shutter speeds, in case you want to raise shadows in post processing without doing HDR with bracketing. You just stack many images in Mean Mode, noise is canceled and you gain some more dynamic range with cleaner shadows less noise. </p><p></p><p>When I do long exposure, besides stacking with multiple exposures I also use the ETTR technique (expose to the right) just before highlights clip this achieving well light files with great dynamic range taking advantage of the full potential of the sensor of whatever camera I use. All the above in combination are a must in order to obtain a full in information final stacked image which then is unbelievably 'elastic' in post processing.</p><p></p><p>The final stacking effect is the equivalent of a long exposure times the shutter speed you used. </p><p>In example 9 exposures of 25" will give the same long exposure effect of a single exposure of 225" or 3' and 45".</p><p>If your shutter speed is bellow 20" you will need more than 9 exposures. </p><p>And Im using 9 exposures because I do it in self timer mode that has the function of 9 sequential shots with the shortest time between them adjusted by me in the camera menu. At 0.5'.</p><p>You can also use an external interval timer trigger. </p><p></p><p>I use also this technique for thunder/ lightning photography. If you use the 'Maximum Stack Mode' then the software combines all the captured lightnings in the final stacked image. </p><p></p><p>There is also the Median stacked mode that works like Mean but don't use it. The Median stack usually doesn't create a smooth motion effect in the clouds and you can see 'motion steps'. </p><p>Mean smoothens them fine. </p><p>This is why it is very important to shoot with the shortest possible interval between the shots. </p><p></p><p>If you need any help I will be glad to tell you anything.</p></blockquote><p></p>
[QUOTE="panos_adgr, post: 2503, member: 12"] You are welcome Andy! It is used also for other reasons such as normal landscape shots of high dynamic range. You can do stacking with multiple exposures with high shutter speeds, in case you want to raise shadows in post processing without doing HDR with bracketing. You just stack many images in Mean Mode, noise is canceled and you gain some more dynamic range with cleaner shadows less noise. When I do long exposure, besides stacking with multiple exposures I also use the ETTR technique (expose to the right) just before highlights clip this achieving well light files with great dynamic range taking advantage of the full potential of the sensor of whatever camera I use. All the above in combination are a must in order to obtain a full in information final stacked image which then is unbelievably 'elastic' in post processing. The final stacking effect is the equivalent of a long exposure times the shutter speed you used. In example 9 exposures of 25" will give the same long exposure effect of a single exposure of 225" or 3' and 45". If your shutter speed is bellow 20" you will need more than 9 exposures. And Im using 9 exposures because I do it in self timer mode that has the function of 9 sequential shots with the shortest time between them adjusted by me in the camera menu. At 0.5'. You can also use an external interval timer trigger. I use also this technique for thunder/ lightning photography. If you use the 'Maximum Stack Mode' then the software combines all the captured lightnings in the final stacked image. There is also the Median stacked mode that works like Mean but don't use it. The Median stack usually doesn't create a smooth motion effect in the clouds and you can see 'motion steps'. Mean smoothens them fine. This is why it is very important to shoot with the shortest possible interval between the shots. If you need any help I will be glad to tell you anything. [/QUOTE]
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Saronic Sunset
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