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RAART
Joined: 10 Oct 2012
Posts: 497
Location: Oakville, ON, Canada
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 Posted: Tue Jan 07, 2014 2:06 pm Post subject: Is the Pentax-a 28mm 2.8 better than Sigma mini-wide II MC? |
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RAART wrote:
As the topic says I am wondering if the Pentax-A 28mm 2.8 is better than Sigma mini-wide II MC?
I do have Sigma mini-wide in KA mount and trying to justify purchase of another 28mm. If anyone has both of them please post some samples and your opinion. The only limitation I have here is that must be KA mount.
Thanks!
_________________
Camera: Pentax K3
FOR SALE:
Do you have Pentax-A or F or FA primes and like to trade?
Here is the list what I have to trade/sale:
Primes: - Kiron 28mm f2 (C/Y); Vivitar 28mm f2.5 Auto (FD); Minolta MD 50mm f2 (incl. adapter to m4/3); Miranda Auto 35mm f2.8 EC (incl. adapter to m4/3); Miranda Auto 135mm f2.8 EC (incl. adapter to m4/3);
Zoom Lenses:
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Ramon
Joined: 01 May 2007
Posts: 71
Location: Kent, UK
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| Posted: Tue Jan 07, 2014 5:28 pm Post subject: |
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Ramon wrote:
I have used both but have neither at present, I would say the Pentax A is slightly better but there really isn't much difference.
For Pentax A look here:
http://www.pentaxforums.com/lensreviews/SMC-Pentax-A-28mm-F2.8-Lens.html
For Sigma look here:
http://www.pentaxforums.com/userreviews/sigma-28mm-f2-8-mini-wide-ii.html |
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RAART
Joined: 10 Oct 2012
Posts: 497
Location: Oakville, ON, Canada
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| Posted: Tue Jan 07, 2014 7:52 pm Post subject: |
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RAART wrote:
I looked already on the pentax forums and it looks like they are almost the same but on the other side Sigma has only 17 reviews compared to 44 for pentax, therefore the evaluation is not really comparable.
I need someone who has both lenses to post samples of the same subject here. Please! 
What I know is that Sigma produces cold/blue colors and it looks like that is sharp enough already wide open, maybe sharper than Pentax-A 28mm 2.8...
EDIT:
I have way to many 28mm lenses and do not know if I should get another one. It is really hard to justify (LBA syndrome)...
Kiron 28mm f2 (C/Y)
OM 28mm f3.5
Konica AR 28mm f3.5 (2x)
Super Takumar 28mm f3.5
Vivitar 28mm f2.5 Auto (FD) with 62m filter diameter
Nikon 28mm f2.8 Series E (just sold it today)
_________________
Camera: Pentax K3
FOR SALE:
Do you have Pentax-A or F or FA primes and like to trade?
Here is the list what I have to trade/sale:
Primes: - Kiron 28mm f2 (C/Y); Vivitar 28mm f2.5 Auto (FD); Minolta MD 50mm f2 (incl. adapter to m4/3); Miranda Auto 35mm f2.8 EC (incl. adapter to m4/3); Miranda Auto 135mm f2.8 EC (incl. adapter to m4/3);
Zoom Lenses:
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kuuan
Joined: 14 Jan 2008
Posts: 4569
Location: right now: Austria
Expire: 2014-12-26
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| Posted: Tue Jan 07, 2014 9:50 pm Post subject: |
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kuuan wrote:
hope someone will come along who has both lenses.
What I can say is that the Pentax A 2.8/28 is impressively sharp and identical to my Vivitar close focus 2.8/28 and a Yashinon-DS, my S-M-C Tak 3.5/28mm falls behind, a few other 28mm lenses I have more so
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my photos on flickr: https://www.flickr.com/photos/kuuan/collections |
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RAART
Joined: 10 Oct 2012
Posts: 497
Location: Oakville, ON, Canada
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| Posted: Thu Jan 09, 2014 3:23 pm Post subject: |
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RAART wrote:
 I can not believe that no one here has both lenses!
_________________
Camera: Pentax K3
FOR SALE:
Do you have Pentax-A or F or FA primes and like to trade?
Here is the list what I have to trade/sale:
Primes: - Kiron 28mm f2 (C/Y); Vivitar 28mm f2.5 Auto (FD); Minolta MD 50mm f2 (incl. adapter to m4/3); Miranda Auto 35mm f2.8 EC (incl. adapter to m4/3); Miranda Auto 135mm f2.8 EC (incl. adapter to m4/3);
Zoom Lenses:
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Gardener
Joined: 22 Sep 2013
Posts: 950
Location: USA
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| Posted: Thu Jan 09, 2014 5:21 pm Post subject: Re: Is the Pentax-a 28mm 2.8 better than Sigma mini-wide II |
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Gardener wrote:
| RAART wrote: |
As the topic says I am wondering if the Pentax-A 28mm 2.8 is better than Sigma mini-wide II MC?
I do have Sigma mini-wide in KA mount and trying to justify purchase of another 28mm. If anyone has both of them please post some samples and your opinion. The only limitation I have here is that must be KA mount.
Thanks! |
I've owned both, and looking at my test shots I'd say that Sigma is very, very good. Close to Pentax, may be even just as good. |
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eddieitman
Joined: 12 Apr 2011
Posts: 1246
Location: United Kingdom
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| Posted: Thu Jan 09, 2014 7:12 pm Post subject: |
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eddieitman wrote:
I have both these lenses, will do a comparison for you, but it may be a few days before i can my weekend is fully booked up and weather is terrible
Just checked i have the Sigma mini wide 24mm not the 28mm
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My web site www.digital-darkroom.weebly.com
Life is like a camera. Focus on what's important, capture the good times, develop from the negatives and if things don't work out, just take another shot. |
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RAART
Joined: 10 Oct 2012
Posts: 497
Location: Oakville, ON, Canada
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| Posted: Thu Jan 09, 2014 8:58 pm Post subject: |
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RAART wrote:
| eddieitman wrote: |
I have both these lenses, will do a comparison for you, but it may be a few days before i can my weekend is fully booked up and weather is terrible
Just checked i have the Sigma mini wide 24mm not the 28mm |
Thanks anyway... Many people have super-wide and not mini-wide but rumors are that mini-wide is better than super-wide. It just happen that I got mini-wide didn't even use it for a very long time but while it has KA mount I just took it out from storage box and now I am intrigued. I probably sooner or later will get pentax-a 28mm 2.8 while I do like pentax colors but still again I do not want to start collecting 28mm lenses. 
_________________
Camera: Pentax K3
FOR SALE:
Do you have Pentax-A or F or FA primes and like to trade?
Here is the list what I have to trade/sale:
Primes: - Kiron 28mm f2 (C/Y); Vivitar 28mm f2.5 Auto (FD); Minolta MD 50mm f2 (incl. adapter to m4/3); Miranda Auto 35mm f2.8 EC (incl. adapter to m4/3); Miranda Auto 135mm f2.8 EC (incl. adapter to m4/3);
Zoom Lenses:
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