There seems to be a lot of 2 to 10 year old Sigma, Tamron, and etc. AF Zoom lenses out in Lensforsale Land which sell for between $10 and $150. Some are dogs sure and really deserve the $10 price tag they wear. But some are really nice! And it seems like the reputation of the ten-dollar-dogs rub off on the good ones too. Or is it that makers just flooded Lens Land with every different model variation they released? I dunno, tiz a mystery.
What do you guys think?
Do you have any or many such lenses?
Which ones are good and which ones are dogs?
Are there any Sigma museum type sites up? (I\'ve never come across one.)
Got any images from the ones you own, good or bad? (Post\'em up bros!)
Here\'s a two of mine:
With the Sigma DL 70-300mm f/4 (Macro) between 280mm and 300mm, stopped down one full click, it fairly consistently produces results like below in similar lighting at between approximately 20m and 150m focus (subject) distance. I like the look is fairly interesting to me anyway:
The more I zoom the more color it seems to have too - isn\'t that like, the opposite of usual with long-ish zooms? Here\'s some wide open samples which show this - Or, thinking now, could it be because the \"WO aperture\" closes down as the zoom increases? These are at 70mm, 200mm, and 300mm all wide open from about 4m away from the focus point:
The CA is a lot less than one would expect too I think. Here\'s two extreme crops from it (the duck one is nearly 100% - I think ~97%) both on the long end:
Typical high contrast shows no CA at all. Here\'s three; one at 300mm, 180mm, and 70mm although these are stopped down a little less than one stop from wide open but they didn\'t need to be really - WO is the same deal (the first one has a little motion blur in it - sorry):
There seems to be a lot of 2 to 10 year old Sigma AF Zoom lenses out in Lensforsale Land which sell for between $10 and $150. Some are dogs sure and really deserve the $10 price tag they wear. But some are really nice! And it seems like the reputation of the ten-dollar-dogs rub off on the good ones too. Or is it that Sigma just flooded Lens Land with every different model variation they released? I dunno, tiz a mystery.
What do you guys think?
Do you have any or many such lenses?
Which ones are good and which ones are dogs?
Are there any Sigma museum type sites up? (I\'ve never come across one.)
Got any images from the ones you own, good or bad? (Post\'em up bros!)
Here\'s a two of mine:
With the Sigma DL 70-300mm f/4 (Macro) between 280mm and 300mm, stopped down one full click, it fairly consistently produces results like below in similar lighting at between approximately 20m and 150m focus (subject) distance. I like the look is fairly interesting to me anyway:
The more I zoom the more color it seems to have too - isn\'t that like, the opposite of usual with long-ish zooms? Here\'s some wide open samples which show this - Or, thinking now, could it be because the \"WO aperture\" closes down as the zoom increases? These are at 70mm, 200mm, and 300mm all wide open from about 4m away from the focus point:
The CA is a lot less than one would expect too I think. Here\'s two extreme crops from it (the duck one is nearly 100% - I think ~97%) both on the long end:
Typical high contrast shows no CA at all. Here\'s three; one at 300mm, 180mm, and 70mm although these are stopped down a little less than one stop from wide open but they didn\'t need to be really - WO is the same deal (the first one has a little motion blur in it - sorry):
Sep 26, 2011 at 09:18 PM
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