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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 May 2012 (Monday) 10:20
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I think I am ready for a BIGMOS

 
fogboundturtle
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May 17, 2012 20:33 |  #31

I got the bigmos today and I have 7 days to give it a spin. The first picture I took were decent for being wipe open @ 500mm.

You can see the result here : http://www.facebook.co​m …2171294.1400530​592&type=1 (external link)


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skycolt
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May 30, 2012 11:27 |  #32

these pics are nice. Oh my bigma, hope you can be somewhere close


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fogboundturtle
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May 30, 2012 13:08 |  #33

skycolt wrote in post #14506118 (external link)
these pics are nice. Oh my bigma, hope you can be somewhere close

The operator has something to do with it too *wink*. The copy I had was fine. I did trade it for an 100-400L last weekend. I just wanted more light.


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skycolt
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May 30, 2012 14:34 |  #34

fogboundturtle wrote in post #14506635 (external link)
The operator has something to do with it too *wink*. The copy I had was fine. I did trade it for an 100-400L last weekend. I just wanted more light.

:oops:
Do you like the lightness or the reach more?


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fogboundturtle
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May 30, 2012 15:07 |  #35

skycolt wrote in post #14507027 (external link)
:oops:
Do you like the lightness or the reach more?

It depends on the situation. a faster lens allow me to show a lower iso and keep the same shutter speed. When you are trying to catch faster birds or do BIF, the lower aperture number really makes a difference.


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skycolt
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May 30, 2012 16:31 |  #36

I remember these two have the same aperture


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May 30, 2012 16:49 |  #37

The Sigma is only slower by 1/3 stop at the long end, however I believe it hits f6.3 at a lesser focal length than when the Canon hits f5.6.

I thought about it too, because I went from a 100-400L to the 50-500 OS, and wondered if I wanted the little bit extra light on the Canon, however I would have to go to lesser reach, lesser image stabilization, and less overall focal range. The Sigma won out 3 times that I had a 100-400L to do a comparison. The only thing I really miss was the lighter weight of the Canon, and its pull/push zoom.


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DreDaze
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May 30, 2012 17:39 |  #38

TeamSpeed wrote in post #14507743 (external link)
The only thing I really miss was the lighter weight of the Canon, and its pull/push zoom.

do you ever try just grabbing the end of the lens, and using it as a push pull kind of lens like that...that's pretty much how i use my 150-500OS 90% of the time...


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TeamSpeed
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May 30, 2012 17:53 |  #39

It's got enough lens creep, I could see how that would work.


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fogboundturtle
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May 31, 2012 09:06 |  #40

TeamSpeed wrote in post #14507743 (external link)
The Sigma is only slower by 1/3 stop at the long end, however I believe it hits f6.3 at a lesser focal length than when the Canon hits f5.6.

I thought about it too, because I went from a 100-400L to the 50-500 OS, and wondered if I wanted the little bit extra light on the Canon, however I would have to go to lesser reach, lesser image stabilization, and less overall focal range. The Sigma won out 3 times that I had a 100-400L to do a comparison. The only thing I really miss was the lighter weight of the Canon, and its pull/push zoom.

its not 1/3 stop because the 500mm is only usable at F8. At least for the 150-500mm. You can always crop but you can never add more light.

Don't get me wrong. Sigma is a great buy. The OS does work really really well. You cannot go wrong with both lens.


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May 31, 2012 09:18 |  #41

fogboundturtle wrote in post #14510858 (external link)
its not 1/3 stop because the 500mm is only usable at F8. At least for the 150-500mm. You can always crop but you can never add more light.

Don't get me wrong. Sigma is a great buy. The OS does work really really well. You cannot go wrong with both lens.

I don't remember the 150-500mm being that different IQ-wise to the 50-500mm, which is what I have. Maybe that is another difference between the older 150-500 and the newer 50-500, as I can get very nice pictures at f6.3, but the better ones are at 2/3 stop slower than the 100-400L at f7.1.


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I think I am ready for a BIGMOS
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