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Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 12:31 pm
by DrScottNicol
Haven't been posting much recently as I keep losing my login details. In the interim I picked up an a77 (love the handling, a little disappointed with noise at mid to high Iso), the a77 kit lens (a fab lens - no problems with my copy that I can see, love the IQ and fast focussing) but also stumbled across the above Sigma lens.

I was looking around for a 70-200 2.8 but given I'd just purchased the a77, really couldn't justify the cost of a Sony and read a review that was a little disappointed with the Sigma IQ. I was considering the Tamron but again, reviews continually mentioned the slow an inaccurate AF. Then I stumbled across the 50-150 on ebay - a quirky, APS C only lens that equates to a 75-225 efl i.e. how full frame users see the 70-200. I'd missed it in my initial searches as its been discontinued in preparation for a new model that hasn't appeared (presumably another launch casualty of this years various disasters) but the price s/h was a fraction of the Sony / Sigma and halve the price of the Tamron plus as its aps c only, its only 700g in weight. The seller noted that they were using it on an a55 and it wasn't on Sigmas list of a77 problem lenses so I took the plunge and have not been disappointed!

Build quality is good - its an EX lens that feels solid and comes with one of those Sigma padded cases (this s/h copy was pristine and boxed and about 18 months old - pre a55 compatible stickers). The Zoom is internal so no change in barrel length as you use it, the HSM is smooth, fast and quiet, this copy works on both my a55 and a77 (and the MF override on the a77 works fine with this lens) and comes with a rather unusual (for sony lenses) 67mm filter size. I've been using it mainly on the a55 as the combo makes for a well balanced, relatively light and discrete 'candid tele portrait lens' - the following shots were taken at the Rochester 'Dickens Christmas Market' this weekend - a very grey and drizzly day but great for discrete shots of interesting 'characters'... all shots are in the range f2.8 to f4, ISO 400 taken with the a55 / Sigma 50-150.

Scott

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Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 1:37 pm
by David Kilpatrick
Pity it's discontinued as it is an excellent lens. I've looked for one myself without luck, as the 2X converter I have also pairs with this lens.

David

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 2:03 pm
by mikeriach
Scott,

This was a lens I considered buying as all my "long" lenses start at 70mm and there is a gap between 70 on full frame and 70 on APS-C (105mm) which I thought such a lens could plug. When on film, I frequently used the short end of 70-something lenses. On switching to digital suddenly all my long lenses were too long and I didn't have a good quality overlap (still don't).
Never got any further in my search but it was one of the two possibilities (Tokina 50-135 f2.8 which I have never seen marketed).
Glad to hear you are having a good experience with it.
I believe Sigma were bringing out an OS version with an inappropriate price hike but haven't seen any news on that for some time!

Mike

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 4:23 pm
by DrScottNicol
As Mike mentioned, Sigma announced (but have to to release) the OS version earlier this year, just before the earthquakes hot Japan as I recall - and given they are dropping OS for Sony / Pentax (so it seems based on other recent revisions and announcements) what benefits the new version will bring to Sony users is unclear at the moment..

This lens really did nearly pass me by.. because of the a77 / Sigma lens AF issues, I only wanted to buy a current that I new would be compatible with A77 / definitely would be fixable y the manufacturer under warranty - so whilst searching Dyxum for possible candidates, I selected current production only to weed out all the old lenses - it never occurred to me that Sigma might have made a great fast desirable lens in 2008 and then discontinued it less than 2 years later lol. Oh and I'm pretty sure the Tokina won't be coming to Sony mount as Tokina appear to be dropping alpha mount support again - the 11-16 didn't sell well enough apparently (another great quirky lens).

Scott

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 7:40 pm
by Dr. Harout
Hi Scott and welcome back.
You linked 4 shots which are not showing.

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 7:52 pm
by DrScottNicol
Ah... thanks for pointing that out - Never post links to online photos whilst in the middle of 'Cleaning Up' your online library :-) - what about now? Are they visible again?

Scott

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 8:07 pm
by Dr. Harout
Same exclamation mark in a triangle...

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 8:50 pm
by DrScottNicol
hmm... strange I can see them on a different PC where I'm not logged in..
oh well.. what about below?

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and heres the link to the original gallery of test shots
https://picasaweb.google.com/1140297844 ... 8LensTest#

Scott

Re: Sigma 50-150 f2.8

Posted: Thu Dec 15, 2011 11:48 pm
by [SiC]
I can see them all... great stuff :-)

Re: Sigma 50-150 f2.8

Posted: Fri Dec 16, 2011 12:44 am
by Dr. Harout
Now it shows both. Nice shots.