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Sigma AF 70mm f/2.8 EX DG Macro- Opinions?
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PostPosted: Sat Feb 22, 2014 8:41 pm    Post subject: Sigma AF 70mm f/2.8 EX DG Macro- Opinions? Reply with quote
I hear some great things. Sharpness is supposed to rival latest Zeiss lenses. Anyone have one?


PostPosted: Sun Mar 02, 2014 7:20 pm    Post subject: Reply with quote
"The Sigma Macro 70mm f/2.8 EX DG Lens is a medium telephoto macro lens which is ideal for both digital and 35mm film SLR cameras. The 70mm focal length gives an equivalent field of view to the popular 105mm macro lens when used on digital SLR cameras with an APS-C size image sensor.

The design of this lens makes it suitable for taking pictures in all situations, from infinity to 1:1 macro, both with natural light conditions or flash.

A Special Low Dispersion (SLD) lens and two high refractive index SLD lenses provide correction for all types of aberrations and produce an exceptional level of optical performance.

Sigma's super multi-layer lens coating reduces flare and ghosting, and helps create a natural color balance.

The floating focus system provides extremely high optical performance from infinity to 1:1 Macro.

A Focus Limiter Switch in incorporated on the lens, improving the speed and accuracy of autofocus by limiting the focus range."


PostPosted: Sun Mar 02, 2014 10:39 pm    Post subject: Reply with quote
Yeah, some great marketing chaps at work! Seems a nice one from tests, except slow AF.

Here is some discussion on flicker about that lens: http://www.flickr.com/groups/352347@N24/discuss/72157628760353233/
(but be careful, there are some "real experts" talking ... "I have an issue with too shallow DOF at macro" Embarassed )

Wonder what real users say about it...

Best would certainly be if you'd rent it for a day, then you know best.


PostPosted: Mon Mar 03, 2014 2:32 am    Post subject: Reply with quote
kds315* wrote:
Yeah, some great marketing chaps at work! Seems a nice one from tests, except slow AF.

Here is some discussion on flicker about that lens: http://www.flickr.com/groups/352347@N24/discuss/72157628760353233/
(but be careful, there are some "real experts" talking ... "I have an issue with too shallow DOF at macro" Embarassed )

Wonder what real users say about it...

Best would certainly be if you'd rent it for a day, then you know best.


Klaus thanks, and yes, I have learned that flickr groups consist mainly of amateurs advising amateurs. Risky indeed.
About all I've found are good reviews on the lens, many from B&H customers who say they are pros.

Unfortunately no rental locally but I could try these guys:
http://www.lensrentals.com/rent/canon/lenses/normal-range/sigma-70mm-f2.8-dg-macro-for-canon


I'm a bit torn and may simply continue to seek a Olympus 90/2.


PostPosted: Mon Mar 03, 2014 7:35 am    Post subject: Reply with quote
Lensrentals is a good company, not cheap for sure (they even rent out a Coastal Optics 60mm UV-VIS-NIR Apo btw.) so you coudl have it for 5 days for $33 and exactly know afterwards if it is HOP or TOP!
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