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06-29-2009, 04:07 PM   #16
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From Unsubstantiated Rumor to Fact?

QuoteOriginally posted by *isteve Quote
What you say would certainly help.
I heard an unsubstantiated rumour that they also managed to redesign the sensor mounting on the SR mechanism and heat conduction to the chassis to improve long-exposure heat dissipation. Another possible reason to go for the metal chassis? Who knows.
jbinpg
The fact that they have improved sensor cooling *and* have finally allowed turning off automatic dark frame subtraction on long exposures means that the K-7 can now enter the ranks of astrophotography. Seeing the wonderful high ISO performance also bumps its utility in this regard.

06-29-2009, 04:15 PM   #17
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From these images, I would say I have more than one stop of improvement over my K200D, with higher resolution. It's what I was after.
06-29-2009, 05:39 PM   #18
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QuoteOriginally posted by solar1 Quote
Hi Yakiniku,

Thank you for posting the links!

I don't speak or write Japanese. Can you see what the K-7 settings were for the different tests, for example what was noise reduction settings? I'm unable to see exif with this computer. can you post the exif if they exist?

thanks!
Hi solar1,
The settings are: AV mode, NR OFF, 77 segment, AUTO WB, ア0EV, JPEG★★★.
First set with Carl Zeiss PlanarT*2/100, second with DA★55/1.4SDM, according to the author.
06-29-2009, 07:26 PM   #19
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would love to hook my fisheye on the K7 and do some street videos.. :drool:

06-29-2009, 07:32 PM   #20
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Thank you Yakiniku

QuoteOriginally posted by yakiniku Quote
Hi solar1,
The settings are: AV mode, NR OFF, 77 segment, AUTO WB, ア0EV, JPEG★★★.
First set with Carl Zeiss PlanarT*2/100, second with DA★55/1.4SDM, according to the author.
................
06-30-2009, 11:32 PM   #21
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Pentax Japan Official Video Sample Update:
http://www.camera-pentax.jp/photos/index2.html
07-01-2009, 12:15 AM   #22
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QuoteOriginally posted by yakiniku Quote
I like that a lot! Thanks
07-01-2009, 12:40 AM   #23
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QuoteOriginally posted by jbinpg Quote
The fact that they have improved sensor cooling *and* have finally allowed turning off automatic dark frame subtraction on long exposures means that the K-7 can now enter the ranks of astrophotography. Seeing the wonderful high ISO performance also bumps its utility in this regard.
Well, not quite... From the manual that Ned B showed on his blog for a while it seems that if exposures longer than 30 seconds are used (in B mode) the camera will do the automatic dark frame subtraction anyway. You can only shut it off for exposures shorter than 30 seconds.

Wim

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