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07-19-2009, 09:19 AM   #1
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Best 500mm Sigma Zoom ?

Which one is the sharpest, the 50-500mm bigma or the 150-500mm.

Both are about the same price, but optical quality is #1

This will be a zoo, animal photographing lens.

wll

07-19-2009, 01:24 PM   #2
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I can only speak for the 50-500, which I find outstanding, considering the zoom ratio of 1:10. Some people report soft pictures at the longest focal length, but (at least with my copy), the contrast always breaks down, when the focus is off. The moment the focus is correct, the contrast is also very good, even at 500mm. Sharpness is no issue with that lens and it is easily en par with my Pentax 500/4.5 at f/8

Ben
07-19-2009, 10:37 PM   #3
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QuoteOriginally posted by wll Quote
Which one is the sharpest, the 50-500mm bigma or the 150-500mm.

Both are about the same price, but optical quality is #1

This will be a zoo, animal photographing lens.

wll
I've had this same question in my head for weeks now, trying to decide which supertele to get. If you look at pixel-peeper.com and go through the images with the 120-400, 170-500, 150-500, and 50-500, the Bigma seems to be the sharpest of the bunch. BUT. Some of the others are OS lenses, and people tend to shoot at much lower shutter speeds with them. I don't know if that contributes or not. I'm still in the air, but I'll be following this thread to see what's up!
07-20-2009, 12:27 PM   #4
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QuoteOriginally posted by jstevewhite Quote
Some of the others are OS lenses, and people tend to shoot at much lower shutter speeds with them. I don't know if that contributes or not. I'm still in the air, but I'll be following this thread to see what's up!
It shouldn't matter since they should be on a tripod.

07-20-2009, 03:21 PM   #5
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The 50-500mm without a shadow of a doubt.
I use mine a lot, always hand held and mostly wide open.

A small selection (and I mean small) of pics taken with it.









07-22-2009, 06:54 PM   #6
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Bigma is not a Lens to be Taken Lightly

<g> - I just got mine today, along with the 1.4x TC. I can tell it's going to take time to get the highest IQ from it, but I'm not displeased with it at all. Here's an example from my first trip out into the back yard, handheld @500mm:
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07-22-2009, 07:48 PM   #7
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I think with Sigma lenses it depends on the copy that you get. I have seen some astonishingly sharp photos from the 150-500, thats why i chose it and my copy is very good. I have also read the reports that 400-500mm on the Bigma is a little soft.

I went for the 150-500 becuase it has the HSM motor and i wanted it for sports. I didnt need the 50-150 range becuasei have a 70-200 f2.8 to use on another body.
07-22-2009, 08:56 PM   #8
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QuoteOriginally posted by ossi Quote
I think with Sigma lenses it depends on the copy that you get. I have seen some astonishingly sharp photos from the 150-500, thats why i chose it and my copy is very good. I have also read the reports that 400-500mm on the Bigma is a little soft.
I think you're right about that. On pixel-peeper.com I saw *more* sharp images from Bigma, but that could be because there are so many of 'em, eh?

QuoteQuote:
I went for the 150-500 becuase it has the HSM motor and i wanted it for sports. I didnt need the 50-150 range becuasei have a 70-200 f2.8 to use on another body.
I have the 50-135, and I thought about the 150-500, but I like the fact that I can zoom out to 50 to look for the subject, then zoom in to 500 with the subject framed, rather than hunting. Or that's my plan, at least. We'll see if it werx or not!

07-23-2009, 05:59 AM   #9
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QuoteOriginally posted by ossi Quote
I think with Sigma lenses it depends on the copy that you get. I have seen some astonishingly sharp photos from the 150-500, thats why i chose it and my copy is very good. I have also read the reports that 400-500mm on the Bigma is a little soft.

Likewise I have seem some truly terrible pictures from the 150-500mm, infact 2 users on the UK Pentax forum have had to return theirs because they were so bad. Would be interested to see some pics from yours to see how it compares though.


QuoteOriginally posted by ossi Quote
I went for the 150-500 becuase it has the HSM motor and i wanted it for sports. I didnt need the 50-150 range becuasei have a 70-200 f2.8 to use on another body.
Rarely use my 70-200mm f2.8 since I bought the Bigma.
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