April 16, 2014, 01:00:25 PM

Author Topic: New Sigma 18-200/f3.5-6.3 OS Macro or Canon EF-S 55-250/f4-5.6 IS STM?  (Read 627 times)

fotorex

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Hi,

which of these two lenses would you choose as a tele lens for the EOS M in combination with the EF Mount adaptor?

The Sigma lens specs seems tempting.

Sigma 18-200mm / f3.5-6.3 DC OS Macro
+ Macro functionality, 39cm min. focusing distance
+ only 86mm short
+ more versatile as it starts with 18mm (so you can leave the Kit lense at home)
- slower and shorter at the tele end
- 430gr weight
- 62mm thread diameter (a personal disadvantage for me as I don't have any lens with this diameter)
- more expensive (549€) than the Canon lens

Canon EF-S 55-250mm / f4-5.6 IS STM
+ STM (if needed)
+ 375gr weight
+ cheaper (290€) then the Sigma lens
- 111mm long
- no Macro functionality, 85cm min. focusing distance

What are your thoughts about these two lenses?

Regards,
Frank

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neuroanatomist

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Re: New Sigma 18-200/f3.5-6.3 OS Macro or Canon EF-S 55-250/f4-5.6 IS STM?
« Reply #1 on: January 11, 2014, 04:38:50 PM »
I haven't looked at the Sigma, but superzoom lenses always involve compromises.  Usually, you're sacrificing IQ, you get lots of barrel distortion, and bad focus breathing (so with a close subject, the long end isn't as long as you think - the Canon 18-200 is more like 155mm at the long end with a subject a few feet away).  The only superzoom with very good IQ is still a compromise: it's big, heavy, and expensive - the 28-300L.

The 55-250 STM is reportedly a very good lens for the price (notably better than the non-STM versions).
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Re: New Sigma 18-200/f3.5-6.3 OS Macro or Canon EF-S 55-250/f4-5.6 IS STM?
« Reply #1 on: January 11, 2014, 04:38:50 PM »