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Wednesday, March 22, 2006

Sigma 30mm in New Lensmounts

Photo: DCView.com

Sigma has just announced that its 30mm ƒ/1.4 EX lens will soon be available in Pentax and (heh, heh, heh) Konica-Minolta mounts. The latter meaning that sooner or later I will get around to testing it. The picture above is from dcview.com.tw, by way of GZLive.com, which has more pictures of the lens (which appears to be huge) mounted on a Nikon D70 at the link.

Posted by: MIKE JOHNSTON

14 Comments:

Anonymous James G said...

Just to point out that the article is at "dcview.com.tw" (no 's'), not at the "dcviews.com" site.

Your link works fine, but already having dcviews.com open in another tab I wondered why I hadn't seen the story myself! ;-)

9:08 AM  
Anonymous Anonymous said...

Oh, now you've changed the dcview.co.tw link to gzlive.com, but still refer to dcviews.com (and link the picture to there?)

I think I'll go and lie down...

9:14 AM  
Anonymous Andy Farrell said...

I've had a brief play with this lens on a D70 and it is indeed rather fat and heavy. I suspect on my Pentax DS it'll be a little overpowering.

9:53 AM  
Blogger Daniel Liu said...

Briefly looking at some old numbers, it's over 1cm longer and 2cm fatter than most 50mm f/1.4 lenses of yore (except for the canon ef one, which has a fat layer of...protective plastic armor). I think i'm going to go lie down too.

10:37 AM  
Blogger eolake said...

Yes. I had one briefly, and it is indeed big and heavy. So much for smaller formats giving us compact lenses and cameras.

I had to return mine because it was a dud. The center was actually less sharp than the edges!

I chose not to get a replacement, because trying it I realized I was not really hankering for a Normal lens. It is not wide enough to take in a whole scene, and not long enough to pick out details.
What we need are good, compact wide angle lenses.

1:01 PM  
Anonymous padys said...

What does it mean "heh, heh, heh" near Konica-Minolta?

2:08 PM  
Blogger Mike Johnston said...

Padys,
That's what I shoot with, a K-M 7D. So the lens being available in K-M mount means I get to buy another lens....

Heh, heh, heh. (g)

--Mike

4:44 PM  
Blogger Mike Johnston said...

I suspect the size has a lot to do with the film-legacy flange-to-film distances. The smaller mirrors of APS-C cameras don't require it, but the lensmount standards do. Thus a 30/1.4 is basically just as large as a lens of similar specification would be for a 35mm camera, since the objective diameter would theoretically be the same.

I'm generally puzzled and disappointed by the size of reduced-sensor size lenses, though.

5:20 PM  
Anonymous ankit said...

mj, have you tried the KM 28/2 lens? It is smaller than the sigma, full frame, sharper in the corners, and available now at B&H for an incredibly low price!

5:22 PM  
Anonymous Giles said...

I wonder how long it will be called the Konica-Minolta mount? Soon I guess it will be the Sony mount or perhaps the Sony/Konica-Minolta mount or the SKM mount for short.

7:52 PM  
Blogger carpeicthus said...

The sigma 30mm + antishake would be a heck of a low-light lens for obejcts that aren't moving very fast. I love mine and regularly use it for candlelight and dimmer situations anyway. Many, many samples here: http://www.flickr.com/photos/carpeicthus/tags/sigma30mmf14dc/

It's larger than a normal because … well … it's not a normal. It just plays one on TV. It's a wide angle lens that was designed to be made normal be sensor crop. It's a little fat on a D70, probably would be silly-looking on a Pentax, but has great balance on the D200.

9:23 PM  
Anonymous andy farrell said...

Interesting to compare the Sig 30 with the Pentax 31/1.8 Ltd:

Width:
S: 7.5cm, P: 6.6cm

Length:
S: 5.9cm, P: 6.8cm (includes the built-in hood I presume)

Weight:
S: 430g, P: 345g

By all accounts the Pentax is a much better lens, just a shame it costs twice as much and is 2/3 stop slower, plus you need a Pentax camera to put it on ;-) Personally I'm saving the pennies for the DA21mm.

1:48 PM  
Anonymous padys said...

Is any heap (!!!) but not bad lens ~50mm (for ASP-C) that you could recommend for K-M 5D.

4:15 PM  
Anonymous Anonymous said...

When will this lens be for sale in KM mount? I have not seen it anywhere since it was announced. Maybe it's not even going to come out in KM/Pentax mounts?

12:08 PM  

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