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#apertus IRC Channel Logs

2013/12/13

Timezone: UTC


01:25
Bertl
back now ...
02:05
FergusL
hi Bertl
02:16
Bertl
hey, how's going?
02:59
FergusL
good
03:42
jucar
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04:26
jucar
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06:22
Wescotte
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07:56
se6astian
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08:00
se6astian
good morning
08:11
Bertl
good morning everyone!
08:12
guesst
hi all
08:12
guesst
have any idea how to detect the base iso of the sensor?
08:21
Bertl
http://en.wikipedia.org/wiki/Film_speed#SOS maybe?
08:22
Bertl
(and similar for Ssat)
08:23
guesst
118d is out of sensor then?
08:24
Bertl
well, with gamma 2.2 as it seems
08:25
Bertl
(the sensor is linear)
08:25
se6astian
to get a quick estimate you can use another camera with identical lens, aperture, focal length, shutter time, etc and turn the settings until you get the levels when pointing at a white wall for example
08:25
se6astian
*the same levels
08:26
guesst
http://www.imatest.com/docs/sensitivity_ei/ - some more about the subject
08:28
Bertl
if you get a black (hole) sun, run :)
08:48
guesst
going for se6astian 's advice :) i do not have a lux meter :)
08:51
jucar
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jucar
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10:26
jucar
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11:07
dmj_nova
se6astian: can we divorce the sensor/fpga unit from the backplane?
11:09
dmj_nova
Doing that would allow for varying form factor and expandability by swapping the backplane only
11:10
se6astian
sure
11:10
se6astian
thats the idea :)
11:12
dmj_nova
se6astian: So in that case, you're not really having to replace the whole thing to get different levels of expandability
11:13
dmj_nova
It would be like upgrading a case/motherboard and keeping CPU, GPU, HDD/SSDs, PSU etc
11:14
se6astian
exactly
11:14
se6astian
and the backplane itself is a "rather" simple/cheap PCB
11:14
dmj_nova
As long as the design allows for 3 slot, 6 slot, etc configs that would be fine
11:16
dmj_nova
also, with the flexible risers, it would be totally possible to relocate certain units in a model
11:17
dmj_nova
without bandwidth issues, since it doesn't cause problems with modern GPUs which are all about the memory bandwidth (also all about the wattage)
11:21
dmj_nova
of course what drives this bus?
11:23
Bertl
the bus driver :)
11:28
dmj_nova
hmm...so it seems that there is a cpu, which connects to the "root complex" (basically the PCIe controller) and the root complex interfaces with the end points
11:31
Bertl
yes, let's build a PC :)
11:31
Bertl
off for a nap .. bbl
12:36
jucar
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12:45
se6astian
Axiom Alpha now in chinese :)
12:45
se6astian
https://www.apertus.org/zh-hans/Axiom-Alpha%E5%8E%9F%E5%9E%8B%E6%9C%BA%E8%BF%9B%E5%B1%95%E6%8A%A5%E5%91%8A
16:37
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Bertl
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Bertl
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jucar
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ApertusWeb5
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se6astian
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21:09
sashacohen
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23:14
troy_s
Bertl: I saw Se6 asking about mini BNC. What about Lomos?
23:14
troy_s
(or five pin mini Lomo)