Dual ISO, dynamic range improvement

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Offline dvip

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Dual ISO, dynamic range improvement
« on: 17 / July / 2013, 12:06:17 »
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I wonder if this is possible using a small sensor:

http://www.magiclantern.fm/forum/index.php?topic=7139.0


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Offline philmoz

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Re: Dual ISO, dynamic range improvement
« Reply #1 on: 17 / July / 2013, 15:47:04 »
I wonder if this is possible using a small sensor:

http://www.magiclantern.fm/forum/index.php?topic=7139.0

Unlikely as it requires two, independently configurable, amplifier circuits between the sensor and ADC.
If Canon has only done this on the 5DIII and 7D DSLR's I doubt we would see this on any P&S.

Phil.
CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)

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Offline ursamajor

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  • SX150IS, SX510HS
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Re: Dual ISO, dynamic range improvement
« Reply #2 on: 19 / May / 2016, 13:37:14 »
Indeed in 2013 DualISO worked only on 5D. Now it is supported by much many cameras. CHDK still not support something similar to improve not necessarly DR but the noise? Just asking...  :D

PS: it would be a dream come true, a charming one.  :xmas
SX150IS (retired) :D, SX510HS

 

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