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tamron 70-200VC vs Sigma 70-200OS
#30
Heh! I knew you'd figure that one out.  Hey, I like Bryan and think he's a great photographer.  The idea of providing a direct comparison is fantasy stuff.  But that implementation is flawed! It depends on a lot of variables.  And even if done perfectly it takes a trained eye to see the differences.  In fact all I can tell shooting a test chart is if a lens is flat out broken.  And I'd probably figure that out eventually. 

 

After cooling down some I guess what bothered me was the appearance of misrepresentation.  But then I had to remind myself.  That is they way products are marketed.  I always wish I knew the MFD, the Magnification, and the MOD.  Those tell you what you need to know.  Minimum Object Distance (working distance, or distance from the Object to the front of the lens) for this type of lens could well be considered more important than Magnification or Minimum Focus Distance (the distance from the Object to the imager).  Because it means you can physically be nearly as close. 

 

I guess I have a bias towards Magnification.  But that might not matter for portrait work.  Or most active shooting.  What can I say?  I like frogs and snakes!  But thinking about it for people shooting there's not a huge difference.

 

LOL- the Canon 100mm f/2.8L IS USM macro is really something like 75mm at MFD.  People don't take to the streets because the first things you look at are the MOD the MFD, and the Magnification.  Those are what you are paying for.  Basically with 90-105mm macros you want 5 or 6 inches of working distance if you get 1:1.  The MOD is necessary to insure you have enough room.  But in a general purpose lens it is more important that it isn't so large it puts you over in the next room.

 

Dave, I really did enjoy Tony Northrop's take on focus breathing.  But really, the implications aren't as bad as they seemed at first.  The G2 is elegant, sharp, portable, useful, and black!  I see the beauty of the lens now that you point it out!  To me, the Magnification is still probably a deal breaker.  But it won't be for a lot of people.  It has a lot of value!

 

By the way, thanks for asking how I've been Dave (way up at the top of the page).  I'm doing a bit better.  I think I need another lens though!  Other than that, I am still hoping my friends and family hang in there.  The world is less bright if I see it through my eyes only.  And I sure hope you are well, too.  And Wim, who really is one who has given some much encouragement and good will.  I'm not trying to leave anyone out.  I just miss seeing his comments.  I don't always have the words but we are sort of a band of brothers, don't you think?  But you guys take it to another level.  For instance, I love your bush suit.  I know that's not the proper word.  The suit in your icon photo.  You become invisible, so that you can see more.  Brilliant, and poetic!  I can't help but find encouragement in logic like that!
  


Messages In This Thread
tamron 70-200VC vs Sigma 70-200OS - by toni-a - 02-12-2017, 05:10 AM
tamron 70-200VC vs Sigma 70-200OS - by Rover - 02-12-2017, 04:48 PM
tamron 70-200VC vs Sigma 70-200OS - by JJ_SO - 02-12-2017, 05:04 PM
tamron 70-200VC vs Sigma 70-200OS - by Rover - 02-13-2017, 05:43 AM
tamron 70-200VC vs Sigma 70-200OS - by JJ_SO - 02-13-2017, 06:10 AM
tamron 70-200VC vs Sigma 70-200OS - by mst - 02-13-2017, 01:41 PM
tamron 70-200VC vs Sigma 70-200OS - by Rover - 02-13-2017, 02:51 PM
tamron 70-200VC vs Sigma 70-200OS - by mst - 02-13-2017, 06:17 PM
tamron 70-200VC vs Sigma 70-200OS - by mst - 02-13-2017, 06:24 PM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-13-2017, 06:51 PM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-23-2017, 06:26 PM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-24-2017, 02:27 AM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-24-2017, 04:45 AM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-24-2017, 11:35 AM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-26-2017, 08:59 AM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-27-2017, 09:29 PM
tamron 70-200VC vs Sigma 70-200OS - by JJ_SO - 02-27-2017, 10:35 PM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 02-28-2017, 01:42 AM
tamron 70-200VC vs Sigma 70-200OS - by JJ_SO - 02-28-2017, 06:48 AM
tamron 70-200VC vs Sigma 70-200OS - by davidmanze - 03-04-2017, 11:58 AM
tamron 70-200VC vs Sigma 70-200OS - by Arthur Macmillan - 03-06-2017, 08:01 AM

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