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Thread started 26 Feb 2015 (Thursday) 16:34
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Sigma 24mm 1.4 Art

 
btweller
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Apr 21, 2015 15:46 as a reply to  @ post 17526741 |  #106

I opened up that Flickr link, clicked on the image to view the higher resolution image, and then took this screenshot of the upper left corner:

http://snag.gy/09z7v.j​pg (external link)

According to the EXIF on that photo, this shot was taken at f/2...even a full stop from wide open there's plenty of coma around the edges of the frame. For single frame shots at web resolution, this might well be perfectly acceptable, but as soon as you start trying to stack star trails, or print anything semi large, these coma aberrations become a problem.

That being said, I am enjoying the images posted in this thread...this looks like a fantastic lens.




  
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tdavies
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Post edited over 3 years ago by tdavies.
     
Apr 22, 2015 08:42 |  #107

ckc wrote in post #17526518 (external link)
This review has some astro shots that look ok and are perfectly useable:

http://www.canonrumors​.com …w-sigma-24mm-f1-4-dg-art/ (external link)

I guess it really depends on what you expect from it. For shots like that where the stars add to things, rather than being the focus, I'd say it fine. But as a dedicated astro lens I don't think its the best option...though each to their own.

On an unrealated note it looks like Lightroom CC comes with a correction profile for the lens :-D




  
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Mookalafalas
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Apr 29, 2015 22:55 |  #108

IMAGE: https://farm9.staticflickr.com/8797/17110665427_55148c6924_b.jpg
IMAGE LINK: https://flic.kr/p/s51C​GT  (external link) Anping Skyline.jpg (external link) by Mookalafalas (external link), on Flickr

IMAGE: https://farm9.staticflickr.com/8795/17130546580_711707fe59_b.jpg
IMAGE LINK: https://flic.kr/p/s6Lw​Fo  (external link) Black Swans in Shallow DOF.jpg (external link) by Mookalafalas (external link), on Flickr

IMAGE: https://farm8.staticflickr.com/7743/17318091955_8cb2405f00_b.jpg
IMAGE LINK: https://flic.kr/p/sokK​ok  (external link) Josie in the monochrome Sun.jpg (external link) by Mookalafalas (external link), on Flickr

I missed focus on this one, but like it anyway.
IMAGE: https://farm9.staticflickr.com/8716/17292131776_eb72d3b3a1_b.jpg
IMAGE LINK: https://flic.kr/p/sm3G​k3  (external link) Missed Focus but lovely color.jpg (external link) by Mookalafalas (external link), on Flickr

I'm really happy to have a 24 again. I really like this focal length.

Call me Al Gear Flickr (external link)
You don’t have to have a great lens to take great pictures—but it sure helps. –Ben Long

  
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Mookalafalas
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May 03, 2015 10:58 |  #109

Hmmm. Quiet over here. Anyway, here are a couple more.

IMAGE: https://farm8.staticflickr.com/7690/17329495596_b461a24fb4_b.jpg
IMAGE LINK: https://flic.kr/p/spmc​hQ  (external link) No Cracker, Thanks.jpg (external link) by Mookalafalas (external link), on Flickr

IMAGE: https://farm9.staticflickr.com/8705/17329474946_6d05c13e29_b.jpg
IMAGE LINK: https://flic.kr/p/spm6​9N  (external link) Watermelon Smile.jpg (external link) by Mookalafalas (external link), on Flickr

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You don’t have to have a great lens to take great pictures—but it sure helps. –Ben Long

  
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Talley
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May 03, 2015 11:34 |  #110

I'm quiet... I got 4 new lenses at the same time and new lighting setup I'm like a pig in mud... too much to take in at once lol


My entire hobby of gear lust has temporarily been shifted into overload. Please be patient while my mind tries to get back onto the road to recovery. We do apologize for any inconvenience this may cause....
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Talley
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Post edited over 3 years ago by Talley.
     
May 03, 2015 11:38 |  #111

Here's one me just playing around one day. Nothing fancy.

@ 1.4


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My entire hobby of gear lust has temporarily been shifted into overload. Please be patient while my mind tries to get back onto the road to recovery. We do apologize for any inconvenience this may cause....
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Mookalafalas
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May 03, 2015 19:21 |  #112

One more from yesterday

IMAGE: https://farm8.staticflickr.com/7741/17329450476_d72fd9ac15_b.jpg
IMAGE LINK: https://flic.kr/p/spkX​SU  (external link) Kite flying at beach.jpg (external link) by Mookalafalas (external link), on Flickr

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Talley
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May 17, 2015 22:05 |  #113

The baby crashed hard after her 2nd Birthday Party today :)


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herculeorama
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May 29, 2015 01:55 |  #114

Just went through this thread from the start. Very tempting focal length especially with 1.4 aperture. I am planning to get one soon!

About the coma aberration, well for people like me who don't need to print their pictures at huge sizes, it doesn't really matter. What I have observed is that with digital revolution, many people have started pixel-peeping a lot. For me if what I see on my screen looks good, it's good! Period. To each his own I guess.

Keep posting some more pictures...


5D Mark III | S110 | Sigma 24/1.4 A | 50/1.8 | 100/2.8 Macro | 17-40/4 L | 24-105mm f/4 L IS USM | 70-200/2.8 L IS II USM | 400/5.6 L | Canon 1.4x III TC| Canon 2x III TC
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herculeorama
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Jun 07, 2015 22:49 |  #115

Okay. Just got the lens. The first trial shot.

IMAGE: https://c1.staticflickr.com/1/402/18582003532_8c23348322_b.jpg
IMAGE LINK: https://flic.kr/p/uj2C​gf  (external link) Guards (external link) by Jawahirlal Surti (external link), on Flickr

5D Mark III | S110 | Sigma 24/1.4 A | 50/1.8 | 100/2.8 Macro | 17-40/4 L | 24-105mm f/4 L IS USM | 70-200/2.8 L IS II USM | 400/5.6 L | Canon 1.4x III TC| Canon 2x III TC
jhsurti

  
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robbo911
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Jun 08, 2015 04:39 |  #116

IMAGE: https://c1.staticflickr.com/1/271/18591025551_f383e48751_b.jpg
IMAGE LINK: https://flic.kr/p/ujPS​ci  (external link) Manly (external link) by Rob Walwyn (external link), on Flickr

IMAGE: https://c1.staticflickr.com/9/8874/18591248111_5642d86329_b.jpg
IMAGE LINK: https://flic.kr/p/ujR1​mx  (external link) Manly (external link) by Rob Walwyn (external link), on Flickr

IMAGE: https://c1.staticflickr.com/9/8839/18562667116_dc4cce7e46_b.jpg
IMAGE LINK: https://flic.kr/p/uhjw​dL  (external link) Manly (external link) by Rob Walwyn (external link), on Flickr

Canon 5dIII,16-35 4, 15 2.8, 35 f2 IS, 135 2, 70-200 f4 IS; Sigma 24 & 50 ART; Hasselblad Xpan w/ 45mm f4 Essex waterhousing
www.robwalwyn.com (external link)

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herculeorama
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Jun 08, 2015 23:00 |  #117

robbo911 wrote in post #17588442 (external link)
QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/ujR1​mx  (external link) Manly (external link) by Rob Walwyn (external link), on Flickr

QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/uhjw​dL  (external link) Manly (external link) by Rob Walwyn (external link), on Flickr

Wow! That's great. the lens is not weather-sealed so how did you manage this? Water-casing?


5D Mark III | S110 | Sigma 24/1.4 A | 50/1.8 | 100/2.8 Macro | 17-40/4 L | 24-105mm f/4 L IS USM | 70-200/2.8 L IS II USM | 400/5.6 L | Canon 1.4x III TC| Canon 2x III TC
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robbo911
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Jun 09, 2015 05:50 as a reply to  @ herculeorama's post |  #118

Ah even if it was weather sealed theres no way i would be anywhere near that close to the water. These are shot with my 5dIII in an Essex surf housing, comes with lots of different ports to put in a lot of different lenses. Have a look at my flickr for more shots if you're interested, but here i am swimming with fins on and the camera. Small waves are easy, when they get bigger its a little more testing


Canon 5dIII,16-35 4, 15 2.8, 35 f2 IS, 135 2, 70-200 f4 IS; Sigma 24 & 50 ART; Hasselblad Xpan w/ 45mm f4 Essex waterhousing
www.robwalwyn.com (external link)

flickr (external link)

  
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speedync
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Jun 09, 2015 05:56 |  #119

How is the AF on the 24 mm? Wide open? Any issues? I'm extremely tempted to get one for a crop camera, as I find f/1.4-2 much more useful on crop than full frame. But that's just me :)




  
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GeoKras1989
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Jun 09, 2015 06:58 |  #120
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speedync wrote in post #17589896 (external link)
How is the AF on the 24 mm? Wide open? Any issues? I'm extremely tempted to get one for a crop camera, as I find f/1.4-2 much more useful on crop than full frame. But that's just me :)

Not just you. I can't afford a 24 1.4, of either flavor, so I get by with my 28 1.8. Great lens on a 60D, excellent wide open, in the center circle, anyway.


WARNING: I often dispense advice in fields I know little about!

  
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