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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 28 Jan 2011 (Friday) 02:37
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why is there so much raving over the sigma 30mm 1,4?

 
eleven11
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Location: Windsor, Ontario, Canada
     
Jan 29, 2011 06:25 |  #16

watt100 wrote in post #11736261 (external link)
don't you know you're supposed to do the opposite of what Ken Rockwell recommends?

Lol

As for sigma warranty..

In Canada sigmas have a ten year warranty and theynare serviced by Gentec, a company in Toronto area, seems they have really good service and support in Canada..

I still want to try this lens...


Canon T2i (external link) | Sigma 30mm 1.4 (external link) | Nifty 50mm 1.8 (external link) | 55-250mm (external link) | SMC Takumar 50mm 1.4

  
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staticuxo
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Jan 29, 2011 10:47 |  #17

i love mine.


500D
EF-S 18-55mm f/3.5-5.6 IS | EF-S 55-250mm f/4.0-5.6 IS | Sigma 30mm f/1.4 | 430EX II | Tokina 11-16mm f/2.8 soon!

flickr (external link)

  
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LightRules
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Jan 29, 2011 10:50 |  #18

bonxie wrote in post #11735111 (external link)
this lens sucked!!! i gave it three chances - all were bad - very very inconsistent AF and front focus. i will not pay $500 and have it send back for re-calibration. wonder if the raves are from sigma, obviously i bit the bait :(

Plenty of L users send their lenses in for calibrations of all sorts, including AF.

You should have sent the first one in for a quick tune up (like I did in 2006) and you'd be singing its praises.




  
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dan_bgblue
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Jan 29, 2011 12:16 as a reply to  @ LightRules's post |  #19

Mine was perfect out of the box over 1 1/2 years ago and is still a perfect lens for my needs on a 40D. I have never felt the need to even test drive a 28 or 35 mm canon.


Gear list: S5IS, 40D, Canon 17-55 f2.8 IS, Canon 70-200 f4 L IS, Sigma 150-500mm F5-6.3 DG OS HSM, Canon 50mm f1.8 mk1, Canon 85mm f1.8, Sigma 30mm f1.4 EX DC HSM, 430EXII, Kenko 1.4x TC, tripod

  
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TweakMDS
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Jan 29, 2011 16:18 |  #20

The Sigma 30 1.4 is a fine lens, but it does seem to have some major issues with front and back focus. Unforunately, bad AF is a very critical fault when shooting at a big aperture / narrow DoF. After many tries I ended up with the 28 1.8 which is more than fine, but IQ-wise, it's shows a big difference between f/1.8 and f/2.0. I guess that's what most people test when they first try it, and it does sorta give the wrong impression on an otherwise perfect lens.


Some of my lenses focus beyond infinity...!
~Michael
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Tony-S
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Jan 29, 2011 17:38 |  #21

ckkone wrote in post #11735891 (external link)
Ken Rockwell did a good review on both:

Heh, heh! Thanks for the laugh! :lol:


"Raw" is not an acronym, abbreviation, nor a proper noun; thus, it should not be in capital letters.

  
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Cyrix_2k
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Jan 29, 2011 17:52 |  #22

twoshadows wrote in post #11729949 (external link)
Sigma 30 & 28mm f1.8 = roughly same IQ. One's faster and one has better AF and fits FF.

Canon & Sigma 50's = roughly the same IQ with the Sigma having better bokeh. AF is roughly the same.

I've owned the sigma 30, 50 (x2), canon 28 (x2) and 50.

Fwiw, I now own the 28mm f1.8 (chosen over the 35L and 24LII, which I have also owned) and sigma 50.

FWIW, I have used the Canon 50mm f/1.4 and own the Sigma 50mm f/1.4. I chose to purchase the sigma after using the Canon which I felt was soft wide open. You must have received a bad copy because the Sigma is clearly optically superior to the Canon - there is zero doubt after reviewing samples from both on the same body. Any time you order a lens, it's a bit of a gamble if it will focus correctly. Sigma certainly seems to have more issues here - my 70-200 does not focus correctly on my 5D but it does on other bodies. However, Canon is noted to have similar problems. Canon's service is better and it goes with the higher price tag. That said, my nifty fifty focused terribly while my sigmalux & 24-60 are spot on. I'd give the sigma a chance and just make sure you get a good copy.


Olympus OM-10 35mm SLR | Canon EOS 5D | Canon EOS 5D Mk III

Sigma 24-60mm f/2.8 EX | Sigma 50mm f/1.4 EX | Sigma 70-200mm f/2.8 EX

Vivitar Series 1 70-210mm f/3.5 | Vivitar Series 1 28-90mm f/2.8-3.5 | Zuiko 50mm f/1.8

  
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twoshadows
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Jan 29, 2011 20:00 |  #23

Cyrix_2k wrote in post #11738847 (external link)
FWIW, I have used the Canon 50mm f/1.4 and own the Sigma 50mm f/1.4. I chose to purchase the sigma after using the Canon which I felt was soft wide open. You must have received a bad copy because the Sigma is clearly optically superior to the Canon - there is zero doubt after reviewing samples from both on the same body. Any time you order a lens, it's a bit of a gamble if it will focus correctly. Sigma certainly seems to have more issues here - my 70-200 does not focus correctly on my 5D but it does on other bodies. However, Canon is noted to have similar problems. Canon's service is better and it goes with the higher price tag. That said, my nifty fifty focused terribly while my sigmalux & 24-60 are spot on. I'd give the sigma a chance and just make sure you get a good copy.

Sorry, but you're obviously the one that got a bad copy (of the Canon 50). A good copy of both (which I've owned) are almost exactly identically sharp. The Sigma has the better bokeh, but that's it imo.


xgender.net (external link) Miss Julia Grey (she/her/Miss)
Nikkor 28/2, 35/2.8-PC, 55/1.2 | Vivitar 28-85, 70-210, 55/2.8 macro | Voigtländer 50/2.8 | Olympus 75-150/4 | Tamron SP 28-80, SP 60-300, SP 300/5.6, SP 2X TC | Pentax SMC Takumar 135/2.5, 200/4 | Canon 24mm TS-E II | Lensbaby Composer Pro II w/Sweet35mm & Edge50mm | Meyer-Optik Gorlitz Oreston 50/1.8 | Canon 5DIIx2, 5D, 20Dx2 | Sigma 12-24 | Canon 28-105 II, 85/1.8 | Yongnuo 50/1.8

  
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TonyG
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Jan 29, 2011 20:56 |  #24

Look hard enough and you'll find a bad review on everything.

If it is the focal range you need, you'll be hard pressed to find anything so definitively better for the same price.


Tony | Gear List/Feedback

  
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bonxie
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Jan 29, 2011 23:20 as a reply to  @ LightRules's post |  #25

true, but i will be stuck if the calibration come back not satisfactory and i miss the return date. pictures uploaded by fellow members here are very impressive indeed. i am shooting cats mostly, my copy has AF problem with dark hair pets, which is a challenge to begin with.




  
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Cesium
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Jan 29, 2011 23:26 |  #26

I had to send my Sigma 30 in for calibration. It was great afterward....

....I had to do the same with my 35L.

(I use multiple cameras so it's not a body problem)




  
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digger58
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Jan 30, 2011 01:27 |  #27

I have had zero issues with mine, so far I have used it only portrait work and it does a wonderful job.
Still if it is a length you use a lot go for it. I really like mine


5D mkii
50D
7D
A bunch of glass and very limited knowledge

  
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skygod44
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Jan 30, 2011 01:36 as a reply to  @ digger58's post |  #28

....because on a crop body, the field of view is almost perfect, the bokeh is smooth and matches lenses costing a lot more, and if your camera can micro-adjust, the very real issue with front/back focusing goes away!

As an example, in VERY low light, no flash, 7D, Siggy 30mm.

Regards,
Simon


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6D/7D and ALL Canon/Sigma gear SOLD!!!! Now: Olympus PEN EP-5 & OM-D EM-5 Mk2 and 8 lenses!

  
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asamimasa
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Jan 30, 2011 02:00 |  #29

Sigma 30 happens to be my favorite crop lens ever. Only lens id be excited
To use were i ever to go back to crop. I managed to
Get a good copy on the first try. Its a 50 1.4 for those who shoot crop, and id think of the canon 28 1.8 as a 50 1.8 usm that goes a bit wider. Both are very respectable, but id go for the sigma every time (unless of course its a matter of sensor size).

The canon and sigma 50s are harder to decide between. Sigma is sharper at larger apertures and has better background smoothness because of the rounded aperture blades, but often missfocuses. The canon is $100 cheaper and is sharper at smaller apertures (somewhere from f5.6 or 8 on i think?), but has the issue of its focusing motor going bad (friend of mine had his die out on him last week, luckily hes got warranty on it). Id say its a matter of preferece and whether you want to carry around a big chunk of glass or keep your 50 small and discreet.


Gear List here

  
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diffuser
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Joined Jan 2011
     
Jan 30, 2011 02:16 |  #30

I want a prime for all around use (walkaround, portraits, nature), fast and sharp (emphasize on sharp), what is the best option? I don't want to use any prime over 85mm, anything below is ok. It's for a crop sensor. $500 or under.

I tried the 50mm 1.8 but it felt like a kids toy and the zoom ring is pathetic, clunky and clicky.




  
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why is there so much raving over the sigma 30mm 1,4?
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