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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 07 Nov 2013 (Thursday) 09:38
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Tamron developing 150-600mm VC USD lens

 
DAA
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Sep 11, 2014 06:26 |  #4486

I'd be happy with that too Peter!

Charlie wrote in post #17146808 (external link)
I think it's sufficiently sharp @600

SOOC full image then 100% crop


And that's about what I'd expect from my copy in conditions like that. And I'm not "unhappy" with it - but, to me, that just isn't one bit sharper than I was getting from the supposedly inferior Sigma 150-500. If I wanted to cherry pick, I could find some SOOC 100% crops from it that are definitely sharper than this, in fact. But, to me, cherry picking my best shots isn't a valid comparison.

- DAA




  
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MalVeauX
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Sep 11, 2014 06:35 |  #4487

DAA wrote in post #17142475 (external link)
My Tamron isn't really any better at anything than my Sigma 150-500 was, except, it goes to 600. The bokeh is a bit more pleasing too. But, it's just plain soft at 600, period. The lab charts would indicate it is sharper than the Sigma 150-500, but my two copies I'm just not seeing it, at all.

- DAA

Heya,

The lens is not soft. It's not prime sharp, but it's a sharp lens.

I don't even have access to MFA on my cameras.

600mm F8:

IMAGE: https://farm8.staticflickr.com/7455/13656910974_f00386146b_b.jpg
IMAGE LINK: https://flic.kr/p/mNPe​Qj  (external link) DPP_1802 (external link) by Mwise1023 (external link), on Flickr

IMAGE: https://farm3.staticflickr.com/2908/14046180588_4f9ce10106_b.jpg
IMAGE LINK: https://flic.kr/p/npdm​8o  (external link) IMG_3484 (external link) by Mwise1023 (external link), on Flickr

IMAGE: https://farm6.staticflickr.com/5569/14786124727_ce8cda18d8_b.jpg
IMAGE LINK: https://flic.kr/p/owAK​JX  (external link) IMG_0278 (external link) by Mwise1023 (external link), on Flickr

And here's its performance with a 2.0x TC (Kenko DGX Pro 300 Series 2.0x), at 600mm, making it 1200mm, F8 making it F16 (EXIF not reporting teleconverter):

IMAGE: https://farm4.staticflickr.com/3862/15014097669_55742aea76_b.jpg
IMAGE LINK: https://flic.kr/p/oSKb​9V  (external link) IMG_0670 (external link) by Mwise1023 (external link), on Flickr

IMAGE: https://farm4.staticflickr.com/3914/15200783805_4b7331f2dc_b.jpg
IMAGE LINK: https://flic.kr/p/paeZ​rp  (external link) IMG_0706 (external link) by Mwise1023 (external link), on Flickr

It's soft with the TC. But that's still pretty good considering this is an F6.3 lens that only cost $1k and extends out to 600mm and up to 1200mm with a TC like this.

And it autofocused fine in Live View on my lesser camera with the 2.0x TC (viewfinder focus was a hunt fest as expected).

Very best,

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MedicineMan4040
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Sep 11, 2014 07:37 |  #4488

Stunning work MalveauX !!!
Ok I got home from the hospital and popped the Sigma 1.4TC on the 70D, it fits. AF sucks, granted its early in the morning..will try again this afternoon when maybe it will be brighter-I do live in the land of perpetual cloud and rain. I'll also try on the 5Diii and see if its AF is any better.


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archer1960
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Sep 11, 2014 07:59 |  #4489

MedicineMan4040 wrote in post #17147728 (external link)
Stunning work MalveauX !!!
Ok I got home from the hospital and popped the Sigma 1.4TC on the 70D, it fits. AF sucks, granted its early in the morning..will try again this afternoon when maybe it will be brighter-I do live in the land of perpetual cloud and rain. I'll also try on the 5Diii and see if its AF is any better.

Yeah, you need bright light and good contrast in the subject for the Tamzooka to AF with a TC.


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DAA
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Sep 11, 2014 08:57 |  #4490

I've been following his posts for some time now and MalVeauX is a far more skilled photographer than I. I'm always reading his stuff trying to glean some wisdom I can apply to my own situations. And, yeah, stopped down, my Tamron is plenty sharp. Below is a shot at f/9, 100% crop (SOOC).

IMAGE: http://photos.imageevent.com/daffleck/tamron150600/20140124_Lens%20Comp_Tam%20MF%2060%20ft-2-2100W.jpg

Plenty sharp.

I wish I had an f/6.3 100% crop of the same subject taken at the same time to post for comparison, but I don't. And using another subject under different conditions isn't a valid comparison.

That was with my 60D, BTW. Which I no longer own. I switched to a 70D shortly after getting the Tamron. Which is an entirely different subject altogether, I don't really believe another 2MP is going to be noticeable, but I kinda get the feeling that extra pixel density isn't doing the Tamron any favors either.

My lens does not do as well as above wide open though. That's just a fact, my lack of credibility on the subject notwithstanding. But, again, for $1K, I'm really just fine with this lens even at f/6.3. I wasn't expecting any better. Well, okay, maybe I was, just a tiny bit... I did hope to clearly see superiority vs. my old Sigma.

But. But, but, but... I honestly don't think it's any better than my Sigma 150-500 was, and even though I'm not unhappy with the Tamron for the price I paid - it is "as good" as my Sigma was after all and it goes to 6, which the Sigma could never do... But, still, as with my Sigma, I not infrequently wish it were better wide open and if I can find a way to pay for a lens that is noticeably better wide open at 600mm, I'll happily trade away the Tamron to get help get there.

This new Sigma represents a possible opportunity to do just that. Maybe. Or, maybe not, on both the lens delivery performance side and the "my budget" side...

Change of subject... I've tried my Tamron with a Kenko 1.4 quite a bit (taped). As already noted by the others, AF requires good light and a good high contrast target. With the extender & Tamron on my 70D In the field I never even bother trying to AF, it's 10X LV MF or nothing, for me.

After a couple trips taking lots of shots of the same subjects both with and without, I've pretty well decided the extender is not worth the trouble anyway. For me, the only time I'm breaking out the extender is for distant subjects. The results just have not been worth printing. Too far is too far. For sharing on the web, simply shooting without the extender and cropping to the same FOV yields results similar enough to make the extender superfluous. Obviously, other applications for others may yield different results and conclusions.

- DAA



  
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DreDaze
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Sep 11, 2014 09:37 |  #4491

MedicineMan4040 wrote in post #17147728 (external link)
Stunning work MalveauX !!!
Ok I got home from the hospital and popped the Sigma 1.4TC on the 70D, it fits. AF sucks, granted its early in the morning..will try again this afternoon when maybe it will be brighter-I do live in the land of perpetual cloud and rain. I'll also try on the 5Diii and see if its AF is any better.

doesn't that defeat the purpose of the TC though?

using the 150-600mm on a crop would be better than the lens with a 1.4X on a FF


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MedicineMan4040
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Sep 11, 2014 15:58 |  #4492

Dre you are spot on right, but for me its fun to experiment with all the possibles. We all come from different kits....the way I've figured this so far is that the Tam150-600 with either 1.4 or 2.0 TCs is most likely tripod and liveview focus dependent~for practical purposes.
Soon enough I'll see if I can stack the Sig 1.4TC with the Kenko 2.0 MalveauX influenced me into getting....can't think of a better way to spend an hour :)


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LV ­ Moose
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Sep 11, 2014 17:55 as a reply to  @ MedicineMan4040's post |  #4493

Thought I'd play with this lens today. Not my favorite for hummers, but wanted to see if it was acceptably sharp, even looking at some 100% crops. Yes, they were sharpened; can't see posting converted RAW shots without it. Some may disagree. Anyway, here goes:

1. This is a hummer (about 3-3.5" in length) from 10-10.5 feet, on a full-frame, uncropped, focal length@552mm

IMAGE: https://farm4.staticflickr.com/3843/15211324795_83d184becd_o.jpg
IMAGE LINK: https://flic.kr/p/pbb1​UB  (external link) DW0A6620_1024X (external link) by mistermooster (external link), on Flickr

1a. 100% crop of above
IMAGE: https://farm6.staticflickr.com/5570/15024744208_4dac649339_o.jpg
IMAGE LINK: https://flic.kr/p/oTFJ​ZW  (external link) DW0A6620_100% (external link) by mistermooster (external link), on Flickr

The rest are somewhat cropped, but the close-ups are still 100% crops from the original.

2. Taken @ 600mm
IMAGE: https://farm4.staticflickr.com/3851/15024534239_06ca1362ed_o.jpg
IMAGE LINK: https://flic.kr/p/oTEE​zM  (external link) DW0A6638_1024X (external link) by mistermooster (external link), on Flickr

2a. 100% crop of above. Spider silk visible on her beak from 10'... not bad.
IMAGE: https://farm4.staticflickr.com/3925/15208265511_a1c6bda84d_o.jpg
IMAGE LINK: https://flic.kr/p/paUk​uk  (external link) DW0A6638_100% (external link) by mistermooster (external link), on Flickr

3. @552mm
IMAGE: https://farm4.staticflickr.com/3875/15208265121_e62325c738_o.jpg
IMAGE LINK: https://flic.kr/p/paUk​nB  (external link) DW0A6654_1024X (external link) by mistermooster (external link), on Flickr

4. @600mm
IMAGE: https://farm6.staticflickr.com/5585/15024747677_b77f2dc37c_o.jpg
IMAGE LINK: https://flic.kr/p/oTFL​2K  (external link) DW0A6665_1024X (external link) by mistermooster (external link), on Flickr

4a. 100% crop of above
IMAGE: https://farm4.staticflickr.com/3886/15024533959_7e06961859_o.jpg
IMAGE LINK: https://flic.kr/p/oTEE​uX  (external link) DW0A6665_100% (external link) by mistermooster (external link), on Flickr

5. Hummer bombs. @600mm
IMAGE: https://farm6.staticflickr.com/5558/15024637610_c62c632967_o.jpg
IMAGE LINK: https://flic.kr/p/oTFc​j3  (external link) DW0A6674_1024X (external link) by mistermooster (external link), on Flickr


Is this lens as sharp as my 70-200 f/4L IS, or 100 f/2.8L IS if I got close enough for the same framing? Nope. Is it decent even zoomed to 600mm?... I think so.

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Sep 12, 2014 16:35 |  #4494

For those of you who get these great sharp shots, did you go MFA, or was this without doing MFA??

and what was the recommended process you used?




  
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LV ­ Moose
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Sep 12, 2014 17:46 |  #4495

tivoboy wrote in post #17150691 (external link)
For those of you who get these great sharp shots, did you go MFA, or was this without doing MFA??

and what was the recommended process you used?

Mine's -5 at both ends. Didn't really do anything scientific; took shots at the wide end and the long end, both near and far, at various MFA values and compared them all on the computer. Narrowed it down and did it again.


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Sep 12, 2014 19:09 |  #4496

tivoboy wrote in post #17150691 (external link)
For those of you who get these great sharp shots, did you go MFA, or was this without doing MFA??

and what was the recommended process you used?

My T1i doesn't have MFA.


Gripped 7D, gripped, full-spectrum modfied T1i (500D), SX50HS, A2E film body, Tamzooka (150-600), Tamron 90mm/2.8 VC (ver 2), Tamron 18-270 VC, Canon FD 100 f/4.0 macro, Canon 24-105 f/4L,Canon EF 200 f/2.8LII, Canon 85 f/1.8, Tamron Adaptall 2 90mmf/2.5 Macro, Tokina 11-16, Canon EX-430 flash, Vivitar DF-383 flash, Astro-Tech AT6RC and Celestron NexStar 102 GT telescopes, various other semi-crappy manual lenses and stuff.

  
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Sep 12, 2014 20:12 as a reply to  @ archer1960's post |  #4497

^ I should have mentioned I have a 5DIII. But I've also used it on my 40D... no MFA... and it was sharp.


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MedicineMan4040
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Sep 12, 2014 20:32 |  #4498

Never thought to MFA, might put it on the 6D and let Magic Lanter have a MFA go at it.


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notimetochill
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Sep 13, 2014 05:12 |  #4499

Impressive lens this one. I got a bid on my Sigma 120-300/2.8 OS and wondering if it's wrong to sell that beast for this beast? I'm always use 2.8-3.2 but now I've changed camera to 6D so now I can use higher ISO with less noise. I like my Sigma but it vignette a lot between 2.8-4.0 and it's heavy! To heavy that sometimes I leave it home. But then the times comes when I'm in a hide and photograph animals and everything below f4 are the only choice.

The range with the Sigma is not 300mm is somewhere between 270-280mm and I've tried to use 1.4x which is a very good combination, but with the 2x converter it's hard to success. And now Sigma will release two new converters, should I leave my hope to these or should I sell the Sigma now when I got a good price/bid?

I don't know what to choose?


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pipsnpoker
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Sep 13, 2014 05:18 |  #4500

Just when i thought about splashing out for this lens I hear Sigma have one coming out as well now.




  
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Tamron developing 150-600mm VC USD lens
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