Lumolab K-x - falklumo
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© Karsten Pawlik

Lumolab noise test chart for Pentax K-x at 2750°K and ISO 100 (extended).
This photo was underexposed by 10 stops! In order to make the resulting (totally black) photo visible within an 8-Bit file format as allowed by SmugMug, I pushed exposure +10EV before saving as JPG. The result is seen above and theoretically, corresponds to ISO 102,400.

This photo is from a different session using another camera and same light source as before.

It is interesting how different specimen of the sensor lead to differently tinted noise.

© Karsten Pawlik

Lumolab noise test chart for Pentax K-x at 2750°K and ISO 100 (extended).
This photo was underexposed by 10 stops! In order to make the resulting (totally black) photo visible within an 8-Bit file format as allowed by SmugMug, I pushed exposure +10EV before saving as JPG. The result is seen above and theoretically, corresponds to ISO 102,400.

This photo is from a different session using another camera and same light source as before.

It is interesting how different specimen of the sensor lead to differently tinted noise.

KxK0010003