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Re: Nodal line of SIGMA 8mm (1,152shots with 105mm)

Subject: Re: Nodal line of SIGMA 8mm (1,152shots with 105mm)
From: tofuji <email@hidden>
Date: Fri, 25 May 2007 09:48:01 +0900
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Organization: 11th Moon
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Wheaton, Simon wrote:

50mm!...How many shots for a full spherical pano? Bracketed spherical panos at 50mm would be a nightmare!

Yesterday, I have done first basic test with 105mm lens, by modifing current my system for 15mm lens. Since this is rough test, the result has many problems yet, but I could get good experience and much ideas from the test.

Also Luca Vascon now try to stitch the pictures with his PTGUI. If you want to try it, feel free to use the pictures.

--- source pictures are all in,

http://www.11moon.com/QuickTimeVR/VRcam3/first_test/

--- shooting data,

Vertical, 6 shots, each 8.0 degrees.
Horizontal, 64 shots, each 5.625 degrees.
Exposure, 3 shots, 0:-2EV:+2EV
Total 1,152 shots

Stop, F16
Shutter, 1/160 sec
ASA, 100

Camera, CANON EOS D350
Lens, SIGMA 105mm macro
pano head, custom (VRcam2)

Location, near by Shinjyuku station in Tokyo Japan
Date, May 24 2007

--- Compositing

Computer, PentiumD 2.8GHz, 2GB, WindowsXP
Compositor, custom on CINEMA4D R9.1

--- Resulting pano picture (not QTVR, harf size= 64,000*10,000 pixel, divided to 4 parts, 10MB each)

http://www.11moon.com/QuickTimeVR/VRcam3/first_test/part1s.jpg
http://www.11moon.com/QuickTimeVR/VRcam3/first_test/part2s.jpg
http://www.11moon.com/QuickTimeVR/VRcam3/first_test/part3s.jpg
http://www.11moon.com/QuickTimeVR/VRcam3/first_test/part4s.jpg

1/10 preview QTVR (800KB)
http://www.11moon.com/QuickTimeVR/VRcam3/first_test/1_10preview.mov

close up picture of tree top (640*480 pixel)
http://www.11moon.com/QuickTimeVR/VRcam3/first_test/close_up.jpg

--- The time required for each steps

1.　modify pano head to 105mm, 1 hour
2.　shooting 1,152 pictures, 1 hour
3.　modify compositing software to 105mm, 6 hours
4.　prepare compositing (arrange 1,152 pictures), 6 hours
5.　rendering 1,152 pictures, 4 hours

--

冨士　俊雄

Toshio Fuji <email@hidden>

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References:
	>Re: QuickTime-VR Digest, Vol 4, Issue 165 (From: John Thomas <email@hidden>)
	>Re: QuickTime-VR Digest, Vol 4, Issue 165 (From: tofuji <email@hidden>)
	>Re: Nodal line of SIGMA 8mm (From: "Wheaton, Simon" <email@hidden>)

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