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Old Dec 13, 2011, 6:46 PM   #1
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Default Sigma 150-500mm

Pulling away from Rwy 18L this ABX freighter is in desperate need of a paint job.

I was trying out my new Sigma 150-500mm f/5-6.3 OS lens. Image taken at 500mm zoom, f9 and 1/640th of a scond hand held with OS on. IQ is not as good as my Nikkor 70-200 f2.8, but considering it is at the max zoom, I am pleased with the result.


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Old Dec 14, 2011, 8:55 AM   #2
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....very good at that FL Jehan, nicely done. What is the 35mm equiv for this camera/lens combo?
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Old Dec 14, 2011, 10:18 AM   #3
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That lens looks pretty good to me...!
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Old Dec 14, 2011, 8:13 PM   #4
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Simon, Thanks...actually, the lens is a decent one. However, due to the longer focal length and the slower speed, my ratio of keepers is lower than the 70-200-- f2.8. BY the way, I use a 1.7 tele-converter on the Nikkor which extends the focal length to 340mm. The Nikkor also focuses faster. The Sigma would be better suited for still or slow moving subjects.



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....very good at that FL Jehan, nicely done. What is the 35mm equiv for this camera/lens combo?
Thanks Bob. Since I'm using the Sigma on a D300s which has a 1.5 lens crop factor, the 35 mm equivalent would be 750 mm. I need to get a gimbal type tripod head to better handle objects in motion.


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Old Dec 14, 2011, 11:32 PM   #5
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I would try it with a monopole. I see allot of air show photog shoot with 600mm lenses with cf monopoles.
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Old Dec 15, 2011, 9:45 AM   #6
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Looks like a lens with a lot of possibilities. How well does it autofocus, if at all? My manual LZOS 1000mm is a real bear to focus even when on a tripod. It is wicked sharp when you nail the focus though.
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Old Dec 16, 2011, 7:02 AM   #7
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Looks like a lens with a lot of possibilities. How well does it autofocus, if at all? My manual LZOS 1000mm is a real bear to focus even when on a tripod. It is wicked sharp when you nail the focus though.
Streets, Autofocus is average compared to the Nikkor 70-200 f2.8, but the internal focusing mechanism is silent and smooth...just not as fast. Once again, for the price, it is good value...just have to understand it's limitations.

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Old Dec 23, 2011, 5:36 PM   #8
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Read some good reports on this lens and just today picked up a used one. Can't wait to try it out.
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Old Dec 23, 2011, 7:09 PM   #9
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Read some good reports on this lens and just today picked up a used one. Can't wait to try it out.
Walter, this lens is a good one if you can use it with an awareness of it's capabilities & limitations. It is monster sized (takes an 82 mm filter) and requires a monopod or a tripod to deal with fatigue from carrying it around. It should be ideal for wildlife and other slow moving or stationary subjects.

I am planning to get a gimball type head to use for this lens in order to see how it works for aircraft in flight. As you can tell from the image above, sharpness and contrast are pretty good! I'll be interested to hear about your experience on the Canon and see some images from it.


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Old Dec 28, 2011, 9:08 PM   #10
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I suspect you'll be quite happy using that lens with a gimbal head. I have had the opportunity to borrow the same lens in a Pentax mount, and have used it with my K20D. It's a big clumsy heavy lens that's slow at the wide end, and very slow at the long end, but the optics are sharp as a tack! Like you, I find it very tiring to hand hold, but it does fine on my tripod with a medium-duty ballhead. I'm sure it would be even better with a gimbal head.
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