Author Topic: V0.6.0 1.4 to 2.1 comparison  (Read 216 times)

Bian

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V0.6.0 1.4 to 2.1 comparison
« on: July 17, 2021, 02:43:03 AM »
Little comparison between 1.4 and 2.1

Software V0.6.0
Pictures stored as .dng on a sunny day.

Whyle the 1.4 delivers  good results – aperture between 2.8 and 4.0, video level 75 to 80 IRE,
the 2.1 quality is only at full HD well.
 
The main problem is the poor video level. Even the picture is over exposure completely, the video level will be not more than half (50 IRE) at 800x450 and below.
The „Zebra“ function doesnt work below 1280x720 because the maximal video level ist o low.....

mklinger

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Re: V0.6.0 1.4 to 2.1 comparison
« Reply #1 on: July 17, 2021, 05:16:17 PM »
Thanks for sharing this.  It also confirms the quick study I did awhile ago (see the attached image) showing that the sensor sensitivity and color accuracy seems to drop by a fairly significant margin when lowering the resolution and really only the 1920 and 1472 horizontal resolutions (your 1280 would be similar to my 1472 test) comes close to the stated ISO 500 base sensitivity as compared to my DSLR reference.

FWIW, the Krontech engineers have responded to me about this and are looking into it, so hopefully there will be a solution in the future.