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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 06 Jul 2017 (Thursday) 20:16
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Sigma 24-70 2.8 OS Art Initial Impressions

 
Bassat
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Jul 07, 2017 17:17 |  #31
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ed rader wrote in post #18396270 (external link)
when you say mk2 do you mean canon 24-70L II? if so I think you just verified you are crazy :-P anyone looking for optical improvement over that lens is on a pursuit of insanity, and just look at the price and size of the sigma. I think there's a stronger possibility that sigma laid another egg  :p

Talley went to NYC, visited B&H, and bought nothing. He even posted a photo of the nothing he bought! I think that qualifies him as certifiably, and completely, insane. :)




  
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ed ­ rader
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Jul 07, 2017 18:11 as a reply to  @ Bassat's post |  #32

that's not the result I would expect :-P


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5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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ed ­ rader
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Post edited over 3 years ago by ed rader.
     
Jul 07, 2017 20:09 |  #33

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IMAGE LINK: http://erader.zenfolio​.com/img/s11/v32/p2388​799107-5.jpg  (external link) on zenfolio

star quality is one reason to buy 24-70L II and other Canon L lenses. I mean if it matters to you :-P

https://www.dpreview.c​om …ges/Entry.aspx?​ID=1035437 (external link)

http://instagram.com/e​draderphotography/ (external link)
5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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davesrose
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Jul 07, 2017 20:25 as a reply to  @ ed rader's post |  #34

Also what sold me on the mkII was the color contrast. The overall characteristics of the mkII is great, and it seems well suited to be paired with new higher MP cameras.


Canon 5D mk IV
EF 135mm 2.0L, EF 70-200mm 2.8L IS II, EF 24-70 2.8L II, EF 50mm 1.4, EF 100mm 2.8L Macro, EF 16-35mm 4L IS, Sigma 150-600mm C, 580EX, 600EX-RT, MeFoto Globetrotter tripod, grips, Black Rapid RS-7, CAMS plate and strap system, Lowepro Flipside 500 AW, and a few other things...
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ed ­ rader
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Jul 07, 2017 20:40 as a reply to  @ davesrose's post |  #35

yep canon's plan has finally come together. the best glass and competitive sensors.


http://instagram.com/e​draderphotography/ (external link)
5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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Talley
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Jul 07, 2017 22:40 |  #36

OK...

Some adjustments to my grip and stance and redid alot of tests at 1/10 70mm with OS on and then OFF the OS does work and I get good improvement with OS enabled. Did a bunch at 1/5 at 70mm and same thing I get more shake w/ OS off and with OS on I get sharp images.

But I have to remain very still in the process no matter on or off and those are my results. It appears the OS does in fact work but it doesn't lock the viewfinder like I'm use to.

One plus is somehow all of the internal lens corrections are available for this lens so for video all the distortion/vignetting is all corrected.

Also at F4 this thing is crazy sharp deep into corners where the corners are only slightly behind. at 2.8 the corners mimic the output of the 17-40... pretty good up until the extreme tip then blah.

I sent Sigma an email asking if they would allow dynamic OS be enabled via dock anytime soon. We'll see what they say. The color/bokeh is great on this lens and the AF speed is still very impressive... blows out the 24/35/50 for sure.


A7rIII | A7III | 12-24 F4 | 16-35 GM | 28-75 2.8 | 100-400 GM | 12mm 2.8 Fisheye | 35mm 2.8 | 85mm 1.8 | 35A | 85A | 200mm L F2 IS | MC-11
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DreDaze
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Jul 08, 2017 01:31 |  #37

being able to adjust the OS with the dock doesn't effect the actual stability of the lens...if it's 4 stops, it's 4 stops regardless...it just changes the way it spools up...either quick and noticeable, or a slower start up...either way basing lens reviews off of a couple hours and some shots of a brick wall seem like a poor way to review...unless you're into shots of brick walls...i'm not

ed rader wrote in post #18396683 (external link)
star quality is one reason to buy 24-70L II and other Canon L lenses. I mean if it matters to you :-P

the sigma has the same number of aperture blades as the MKII L...so wouldn't the star points be similar? i mean at least same number wise...if you want star quality i think the sigma 14f1.8 with 9 aperture blades would be better than the 14LII with it's paltry 6 :)


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Charlie
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Jul 08, 2017 01:45 |  #38

DreDaze wrote in post #18396847 (external link)
being able to adjust the OS with the dock doesn't effect the actual stability of the lens...if it's 4 stops, it's 4 stops regardless...it just changes the way it spools up...either quick and noticeable, or a slower start up...either way basing lens reviews off of a couple hours and some shots of a brick wall seem like a poor way to review...unless you're into shots of brick walls...i'm not

the sigma has the same number of aperture blades as the MKII L...so wouldn't the star points be similar? i mean at least same number wise...if you want star quality i think the sigma 14f1.8 with 9 aperture blades would be better than the 14LII with it's paltry 6 :)

while same amount of points, but quality will be different. Some lenses have curved blades, generally not as pointy as straight cut blades. Some lenses have optimal stars like the canon 16-35 f2.8 ii and voigtlanders, those lenses only need to be stopped down to F8 for streaky stars.


Sony A7iii/A9 - SY 24/2.8 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - F 600/5.6 - CZ 100-300 - Tamron 17-28/2.8 - 28-75/2.8 RXD
Panasonic G85/G9 - Laowa 7.5/2 - PL 15/1.7 - P 42.5/1.8 - OM 75/1.8 - PL 10-25/1.7 - P 12-32 - P 14-140

  
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ed ­ rader
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Post edited over 3 years ago by ed rader. (4 edits in all)
     
Jul 08, 2017 01:59 as a reply to  @ DreDaze's post |  #39

14L II is an old lens that's crying for a refresh. it's also a lens I don't own. i'd have to see the sigma stars. i know a lot of photographers who shoot canon but none that use sigma lenses. maybe you could post a sample?

here's a 14L II star from when i did own the lens. not too terrible and bigger than the 18-point stars.....

IMAGE: http://erader.zenfolio.com/img/s10/v101/p810672473-4.jpg
IMAGE LINK: http://erader.zenfolio​.com/img/s10/v101/p810​672473-4.jpg  (external link) on zenfolio

http://instagram.com/e​draderphotography/ (external link)
5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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ed ­ rader
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Jul 08, 2017 02:04 as a reply to  @ Charlie's post |  #40

the 16-35L II does make some great stars. i owned that lens for many years.


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5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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Jul 08, 2017 02:46 |  #41

ed rader wrote in post #18396853 (external link)
here's a 14L II star from when i did own the lens. not too terrible and bigger than the 18-point stars.....

Compared to the stars in your previous bridge shot, this one quite sucks ! :)


1Dx, 5D2 and some lenses

  
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ed ­ rader
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Jul 08, 2017 03:23 as a reply to  @ CheshireCat's post |  #42

one reason I no longer own the lens :-P


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5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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Jul 08, 2017 04:43 |  #43

3 pages in and no RAW Files?


Canon C200 | Canon EOS R | RF 24-105mm f4L
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Talley
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Jul 08, 2017 06:14 |  #44

DreDaze wrote in post #18396847 (external link)
.either way basing lens reviews off of a couple hours and some shots of a brick wall seem like a poor way to review...unless you're into shots of brick walls...i'm not

Ok man really?

I did disclaimer 1.5hrs w/ the lens. This was NOT a review. This was initial impression by me... with enough experience with enough lenses to base an "initial impression". The brick shots was just to post the distortion which I have a concern over and feel it's pretty substantial but again I'm more of a prime guy and I'm use to the Art's little to none.

Lens review this was not... I've taken over 200 shots w/ this lens now and I do a pretty typical run down on all my lenses to test them. Have you not remembered my lens reviews prior? Many many photos and comparisons... I've done a 20min video of the 5D4 menu.

I spent more time with the lens last night and concluded the OS is working but it's just not locking the viewfinder like other lenses do... it's not effective for video period. Unless lens is faulty it's not going to meet my needs for video.

It's pretty darn easy for you to pop off something stupid like that to me isn't it... again I ask you at what point did I call this any kind of lens review??? At what point am I not allowed to give my initial impressions??? At what point will you buy the darn lens to offer any input of your own???

I think you and many others should know me by now that I'm not just throwing poor words around. We all know I'm a gear junky and that I also own/demand the best. This lens can be that if the stupid OS worked like "I'm use to".


A7rIII | A7III | 12-24 F4 | 16-35 GM | 28-75 2.8 | 100-400 GM | 12mm 2.8 Fisheye | 35mm 2.8 | 85mm 1.8 | 35A | 85A | 200mm L F2 IS | MC-11
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Talley
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Jul 08, 2017 06:15 |  #45

DJHaze596 wrote in post #18396885 (external link)
3 pages in and no RAW Files?

Nope... I've been busy. I'm away at work from 5am-6pm 6-7 days a week right now and that only leaves me a few hours each night. I've managed to take care of alot of needed things around the house and take some images as well.

I'll get around to it later


A7rIII | A7III | 12-24 F4 | 16-35 GM | 28-75 2.8 | 100-400 GM | 12mm 2.8 Fisheye | 35mm 2.8 | 85mm 1.8 | 35A | 85A | 200mm L F2 IS | MC-11
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Sigma 24-70 2.8 OS Art Initial Impressions
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