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 Post subject: Sigma 170-500 f5-6.3 APO
PostPosted: Sun May 10, 2009 4:31 pm 
LOVIN this lens

Image
Nikon D90 @ 1/50th-sec, f6.3 @ 270mm
ISO 640

Image
Nikon D90 @ 1/2500th-sec, f7.1 @ 310mm
ISO 3200

Image
Nikon D90 @ 1/125th-sec, f5.0 @ 175mm
ISO 1600

Image
Nikon D90 @ 1/200th-sec, f7.1 @ 190mm
ISO 1600


Last edited by palakaboy on Sun May 10, 2009 6:22 pm, edited 6 times in total.

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 Post subject:
PostPosted: Sun May 10, 2009 5:45 pm 
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Joined: Tue Feb 05, 2008 9:14 am
Posts: 599
Location: Netherlands
Thanks for the pictures palaka. Could you please say which apertures and shutterspeeds they were taken with? And which camera do you use? thanks!

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 Post subject:
PostPosted: Sun May 10, 2009 6:04 pm 
fixed!

here are some shots at 500mm.

Image
nikon d90 1/200sec @ f6.3
ISO 640

Image
Nikon D90 1/320sec @ f7.1
ISO 640


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 Post subject:
PostPosted: Mon May 11, 2009 1:08 pm 
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Joined: Tue Jan 06, 2009 1:32 pm
Posts: 207
Pretty awesome high ISO quality.. :wink:

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 Post subject:
PostPosted: Sat Jun 06, 2009 6:36 am 
Image
500mm
1/640th @ f6.3 @ 640 ISO

Image
500mm
1/1000th @ f 6.3 @ 640 ISO
Nikon D90

Image
290mm
1/800 @ f9 @ 800 ISO
Nikon D90

Image
400mm
1/800 @ f9 @ 800 ISO
Nikon D90

Image
500mm
1/800 @ f9 @ 800 ISO
Nikon D90


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 Post subject:
PostPosted: Sun Jun 07, 2009 1:49 pm 
You like shooting at high ISO's?


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 Post subject:
PostPosted: Sun Jun 07, 2009 2:09 pm 
ethnic2 wrote:
You like shooting at high ISO's?


It's a 500mm lens. That means that on a cropped sensor, it's equivalent to 750mm and to get sharp results you'll need a shutter speed of at least 1/750s. If you look at all his shots, this is the reason he pushes high ISO.


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 Post subject:
PostPosted: Sun Jun 07, 2009 4:05 pm 
ethnic2 wrote:
You like shooting at high ISO's?


on a d90, 640 and 800 aren't high.


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 Post subject:
PostPosted: Sun Jun 07, 2009 8:10 pm 
palakaboy wrote:
ethnic2 wrote:
You like shooting at high ISO's?


on a d90, 640 and 800 aren't high.


Wait till i get my D700 :wink: 8)

So what's the minimum focusing distance for this thing?


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 Post subject:
PostPosted: Mon Jun 08, 2009 5:02 am 
Gregory.Rotter wrote:
palakaboy wrote:
ethnic2 wrote:
You like shooting at high ISO's?


on a d90, 640 and 800 aren't high.


Wait till i get my D700 :wink: 8)

So what's the minimum focusing distance for this thing?


somewhere shy of 14 feet, i believe...


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 Post subject:
PostPosted: Mon Jun 08, 2009 6:38 pm 
Is this a new lens? I tried searching for it on google.ca and there are no stores that sell this.

It seems like another option to my current Sigma 10-20-hsm
________
Home made vaporizer


Last edited by goldengloves on Sat Mar 12, 2011 11:29 am, edited 1 time in total.

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 Post subject:
PostPosted: Mon Jun 08, 2009 7:11 pm 
no, its discontinued.


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 Post subject:
PostPosted: Mon Jun 08, 2009 7:28 pm 
ISO 3200 in bright daylight? :? why?


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 Post subject:
PostPosted: Mon Jun 08, 2009 7:58 pm 
read the entire thread. The fact is, that 500mm works out to 750mm with the crop factor, so you need minimum 750th of a second shutter speeds to stop camera shake. This lens doesn't have IS/VR etc. Because of that, you have to make a choice shoot lower Iso and get camera shake, or shoot higher and get noisey but shake free shots.


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 Post subject:
PostPosted: Mon Jun 08, 2009 8:06 pm 
I see...thank you for the explanation. That's a bit of a downfall...


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