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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 16 Aug 2019 (Friday) 07:48
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Should I get a Sigma 150-600 w 1.4x - have 100-400 and 1.4 and 2x extenders

 
Jeff ­ USN ­ Photog ­ 72-76
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Aug 29, 2019 20:10 |  #46

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DreDaze
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Aug 30, 2019 00:22 |  #47

Jeff USN Photog 72-76 wrote in post #18918931 (external link)
At Hunts they told me that the C versions tend to be hit or miss as far as sharpness goes, they claim 1 or 2 out of 10 are sharp and I seem to nailed one.

I will still keep the Sport as I think having a King Kong lens is cool, it will live on a tripod like my old Wista view camera did.

I just watched a video about getting the Sport and the usb dock to adjust focus but on the bird above I focused on the eye and it nailed it, the eyelid around the eye is much sharper than the C.

Heading to the pond again tomorrow with my gear

These are the same people that told you canon wasn’t coming out with anymore DSLR’s a week before they just announced the 90D...i wouldnt put much stock into anything they say


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Aug 30, 2019 05:59 as a reply to  @ DreDaze's post |  #48

Not to mention that throughout the web, many accounts show that there is no IQ advantage between the S and C, the S is just heavier and built for the elements a bit better, and more expensive.


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Aug 30, 2019 09:39 as a reply to  @ TeamSpeed's post |  #49

Well the good folks at Photographylife do disagree with you.According to them (and they provide MTF charts) the Sport model is optimized for the longer focal lengths unlike the C model which isn't.
https://photographylif​e.com …-3-dg-os-hsm-contemporary (external link)


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Aug 30, 2019 09:44 as a reply to  @ PNPhotography's post |  #50

Great, MTF charts to the rescue... :) Yes, MTF charts are useful, but it is just a metric. Copy variations, and a number of other factors can provide real world results that are different, or the differences may simply not provide a good ROI.

I am not sure I would be able to use the extra IQ of the S had I spent $700 more back when I bought the Sigma C.


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Aug 30, 2019 10:08 |  #51

TeamSpeed wrote in post #18919165 (external link)
Great, MTF charts to the rescue... :) Yes, MTF charts are useful, but it is just a metric. Copy variations, and a number of other factors can provide real world results that are different, or the differences may simply not provide a good ROI.



The advantage of the 150-600 sport for me is build. I think its worth the extra $$$ for the build alone. I dont trust charts. I trust my eyes. I dont see much differences at 600mm BT the 2 lens. But Major differences in build and how it feels in your hands


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Aug 30, 2019 10:10 as a reply to  @ umphotography's post |  #52

Sure that is probably a better reason to spend the money. I have had mine for a couple of years now and lugged it to games, etc. Not an issue anywhere, light drizzle no issues, everything still works, and still in great shape, so in my case, the C build is good enough, but others might have other concerns.


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Aug 30, 2019 11:24 as a reply to  @ TeamSpeed's post |  #53

Well I wasn't trying to be a smart alec it's just that a lot (Most probably) will be using these lenses at 600m and at least for me I'd want to know if it's any good at 600mm. Peace out.


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Aug 30, 2019 11:27 |  #54

PNPhotography wrote in post #18919222 (external link)
Well I wasn't trying to be a smart alec it's just that a lot (Most probably) will be using these lenses at 600m and at least for me I'd want to know if it's any good at 600mm. Peace out.

the only time I don't use at 600 is when I use it at 1200 ;)


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Aug 30, 2019 12:27 as a reply to  @ PNPhotography's post |  #55

It's good at 600mm no worries there...

It's just such a large lens, I have been using the 100-400 more these days.


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Aug 30, 2019 19:56 |  #56

I have been doing testing for the last few days. I have not been testing the 100-400 L II as I know that is tack sharp and will be my go to for when I want to shoot in the 100-400 range. My big reason for thinking about these lenses is for shooting surfers at Beavertail where you are on a cliff about 200+ yards from the action in all kinds of weather along with spray from the ocean. I have a 1.4 TC for the Canon so used that for all tests with that lens.

what I have found so far at 600 mm ( 560 for the Canon), is the Sport is the sharpest, followed closely by the C model and finally the Canon with 1.4TC. However the Canon seems to have a bit more contrast. I will be doing tests with that later as I am mainly looking at sharpness, but in a shot of a telephone pole a large plate and bolt seemed to have a bit better contrast with the Canon.
I was impressed with the C model, it held up very well to the Sport, I had to really enlarge the shot to pixel peep to see that the Sport had cleaner edges.

On the C model many reviewers say the manual focus is choppy and jerky but I didn't find that at all, to me it was as smooth as the Sport but not quite as buttery as the Canon.

The plus for the Sport is the sharpness since I will be cropping severely most of the time, although I picked up a Sigma 1.4TC for which ever I end up with.

The Sport is a monster, when I sit in a chair for an hour with it shooting birds at the feeder handholding it I get a workout and rest my arm on the chairs arm. The C is much easier to handhold although I still wouldn't want to carry it for 5 or 6 hours. The Canon killed my neck when I carried it around it for 8 hours at Disney but in a normal situation it is the lightest of the bunch and will give some sharp shots with the 1.4TC.
The Canon equals the C when shooting planes in flight that have sharp lines, most of the birds seem just a hair soft with it.

Two things about the Sport, first is the weight - this is a lens I would mostly use on a tripod or if I was only shooting for a few minutes handheld. Second - my wife bought it for me and WANTS me to keep it as it was a 39th Anniversary gift. ( $1200 Exc+++ I would call it NIB except I was told the owner had tried it out.)

The Canon would be sufficient depending on how much of a pixel peeper you are, but one thing I like about both the Sigma's is the push/pull zooming! Didn't think I would be when using the Canon today having to twist and twist got old.

I have 30 days to decide on the Sigmas although if I take the Sport back I may be sleeping on the couch.


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Aug 30, 2019 20:10 |  #57

Jeff USN Photog 72-76 wrote in post #18917618 (external link)
The first tests are using the 6D mkii and the two lenses the 100-400 with the 1.4x So far they are very close, some shots the Sigma was better and some the Canon with the 1.4 BUT they were shot at different times in my yard, so not a really good test.
over the next week I will be doing them both at the same time

Then I will test the 80D on both lenses

One thing I have heard from pro's is to never use a teleconverter even the 1.4x with an APS-C camera as it will really affect IQ.

Ignore such "pro's". A pro who says that doesn't know what they're talking about.

AF depends on the specific AF ability of the camera; not FF vs APS-C, and any added optical aberration issues from the TC are there regardless of sensor or AF ability.
APS-C cameras just usually have more pixel density, so pixel-level views are a little softer and noisier, but the subject itself isn't. That's a GOOD thing.




  
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Aug 30, 2019 20:15 |  #58

Choderboy wrote in post #18918398 (external link)
Sport: 24 elements in 16 groups
Contemporary: 20 Elements in 14 Groups

The Contemporary maintains faster apertures at longer focal lengths than the Sport.

Your definition of 'same' is different to most peoples.

Are you talking about the 300 to 500mm range? They both are 6.3 at 600mm, no?

That's something very important about zooms; the size of the maximum entrance pupil plummets as you zoom out wide; some faster than others.




  
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Aug 30, 2019 21:57 |  #59

John Sheehy wrote in post #18919450 (external link)
Are you talking about the 300 to 500mm range? They both are 6.3 at 600mm, no?

That's something very important about zooms; the size of the maximum entrance pupil plummets as you zoom out wide; some faster than others.


Correct. Both f6.3 at 600. As you increase focal length from 150 to 600, the C maintains larger aperture longer than the Sport.
Hardly a deciding factor if choosing between the two lenses but not only backs up the different optical design of the lenses, it's also a little surprising that the roughly double price of the Sport actually gives this slight disadvantage.


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Aug 30, 2019 22:13 |  #60

PNPhotography wrote in post #18919162 (external link)
Well the good folks at Photographylife do disagree with you.According to them (and they provide MTF charts) the Sport model is optimized for the longer focal lengths unlike the C model which isn't.
https://photographylif​e.com …-3-dg-os-hsm-contemporary (external link)

This was something that swayed me to buying the S.
If Sigma's claims are correct, the Sport get's more attention with regards checking at the factory too.
Global vision lenses, both Sport and Art are claimed to get this.
As an Australian we get double the US Warranty (24 months standard for all products, not just photographic equipment) but we do not have the same return policies as the US.
Therefore copy variation is more of a concern. I had a Tamron 150-600 G1 for a week and my Sigma S was definitely superior to it at 600mm.
I am not in any position to make any claims that the S is better than the C, at any focal length.
The Sigma S was replaced with an EF 500 f4 L IS USM and in my opinion it was no better at matched apertures. While it was f4 and I obviously could not compare the Sigma at f4, it did soften at f4.
At 500mm f5.6, I could not pick a winner and the Sigma had a 1kg weight advantage. The Canon's AF was a little better but the Sigma's IS was a little better.


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Should I get a Sigma 150-600 w 1.4x - have 100-400 and 1.4 and 2x extenders
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