Workshop3: Noise reduction
Camera: Nikon D850
ISO: 64 NR: OFF 0.6 SEC F/7.1 120MM
ISO: 64 NR: LOW 0.6 SEC F/7.1 120MM
ISO: 64 NR: HIGH 0.6 SEC F/7.1 120MM
ISO: 800 NR: OFF 1/20 SEC F/7.1 120MM
ISO: 800 NR: LOW 1/20 SEC F/7.1 120MM
ISO: 800 NR: NORMAL 1/20 SEC F/7.1 120MM
ISO: 800 NR: HIGH 1/20 SEC F/7.1 120MM
ISO: 3200 NR: OFF 1/60 SEC F/7.1 120MM
ISO: 3200 NR: LOW 1/60 SEC F/7.1 120MM
ISO: 3200 NR: NORMAL 1/60 SEC F/7.1 120MM
ISO: 3200 NR: HIGH 1/60 SEC F/7.1 120MM
ISO: 25600 NR: OFF 1/500 SEC F/7.1 120MM
ISO: 25600 NR: LOW 1/500 SEC F/7.1 120MM
ISO: 25600 NR: NORMAL 1/500 SEC F/7.1 120MM
ISO: 25600 NR: HIGH 1/500 SEC F/7.1 120MM
Obvious noise starts to show at ISO800, noise reduction works very well at ISO800, details retained very well even at high NR setting.
At ISO3200 NR works perfectly. Edges are a little bit soft at high NR setting.
A lot of noise is introduced at ISO25600. NR works well, but a lot noise still exist even at high NR setting, and edges are soft. This is not a surprise at such high ISO.
This test shows that in-camera NR should be used when ISO setting is 800 or above, and NR setting at high will render the best result. The only drawback of using in-camera NR is that several seconds is needed for the processing, so there is a interval between the shots. The more noise to be reduced, the longer interval will be. So it's not fit in the cases that continues shooting is needed.
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