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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 02 Jul 2010 (Friday) 13:02
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Anyone tried this?

 
ArcticShooter
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Jul 02, 2010 13:02 |  #1

Here is a Flickr link: http://www.flickr.com …/43894176@N07/4​045561377/ (external link)

Could be very interesting to give it a try but right now I don't have any lens with the aperture ring. All my lenses are Canon so any solution for doing it without the aperture settings available?
I guess I will have to do 2 exposures due to the in camera aperture setting :(


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hollis_f
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Jul 03, 2010 06:05 |  #2

It might work without changing the aperture. With your 10-22mm set at the shortest fl and widest aperture you're still going to have a huge depth-of field. So you could follow the same steps but leave the aperture at f3.5 when you change from far to near focus.


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Adrena1in
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Jul 04, 2010 15:51 |  #3

How do you adjust the focus without jogging the camera a bit and screwing up the image?!


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ArcticShooter
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Jul 04, 2010 17:30 |  #4

hollis_f wrote in post #10470578 (external link)
It might work without changing the aperture. With your 10-22mm set at the shortest fl and widest aperture you're still going to have a huge depth-of field. So you could follow the same steps but leave the aperture at f3.5 when you change from far to near focus.

Yes, I tried it on the the image below. I kept the aperture at 11.

Adrena1in wrote in post #10476759 (external link)
How do you adjust the focus without jogging the camera a bit and screwing up the image?!

On a long exposure you can shake the camera quite a bit until it is noticed

I tried it with the b+w nd1000 filter on it.
This is a 100s exposure. So the last 10 s I adjusted the focus to 1m and it seems sharp all over IMO

IMAGE: http://farm5.static.flickr.com/4100/4762108986_bea292d01c_b.jpg

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Anyone tried this?
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