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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

 
archer1960
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Jun 15, 2014 12:29 |  #4006

LV Moose wrote in post #16959377 (external link)
Has anyone found an decent case as an alternative to the Lowepro 13X32? That thing looks huge.

That is the case you will need if you want to keep the hood and tripod ring on while storing it. There's very little extra room in the case diameter. If you remove the hood and tripod ring, you could get along with a slightly smaller diameter case. The length is about right too.


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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LV ­ Moose
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Jun 15, 2014 12:43 |  #4007

archer1960 wrote in post #16973014 (external link)
That is the case you will need if you want to keep the hood and tripod ring on while storing it...

Yeah, I've come to that conclusion, and ordered one. Back-ordered :confused:


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willowrose
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Jun 15, 2014 16:05 |  #4008

I received my Lowepro 13X32 Thursday and it fits almost exactly. I wanted something smaller but this case fits and provides good protection. For its purpose it was an excellent purchase.


Canon 6D, &7D T1i, Canon 24-105L, 17-40L, 70-200 F4L IS, 50mmL, 135L, 200 2.8L, Sigma 50mm original, Tamron 150-600, some Lensbaby gear

  
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clarnibass
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Jun 16, 2014 03:48 |  #4009

Re the issue of the lens not keeping focus when moving from near to far targets while the AF button is pressed - regardless of what lenses do that or not - in what type of situation someone need to do that? I'm not criticising it, just intereted because I never need that.


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pknight
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Jun 16, 2014 06:51 |  #4010

clarnibass wrote in post #16974261 (external link)
Re the issue of the lens not keeping focus when moving from near to far targets while the AF button is pressed - regardless of what lenses do that or not - in what type of situation someone need to do that? I'm not criticising it, just intereted because I never need that.

:D

Well, to be honest I have wondered the same thing. I guess the answer is that other lenses will do this, so the Tamron should also. I am guessing that I never would have noticed this if a lens of mine did this, since I would have refocused via the AF button when changing targets.


Digital EOS 7D Mark II Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC

  
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Peter2516
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Jun 16, 2014 07:11 |  #4011

^^^ This is important to me, I want my lens to be in focus all the time when I am following or tracking birds in flight and birds fly in all directions and if you are in AI servo the lens regardless of what brand should be able to this.


Peter
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EOS 5D Mark IV, 1Dx1, 7D Mark I & II/Canon T2i Gripped/EF 500mm f/4L IS USM MK1 / EF70-200mm f2.8L IS II USM / EF100 -400 f4.5-5.6L USM/ EFS 10-22mm/EFS 17-55mm/EFS 18-200mm/Canon 1.4x II/Canon 2x III/ 430EXII / 580EXII.

  
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archer1960
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Jun 16, 2014 07:30 |  #4012

Peter2516 wrote in post #16974395 (external link)
^^^ This is important to me, I want my lens to be in focus all the time when I am following or tracking birds in flight and birds fly in all directions and if you are in AI servo the lens regardless of what brand should be able to this.

It DOES work fine if you are staying on the same target, because it moves continuously, and the lens can follow it. The issue people are having is something like if the bird you're tracking (for example) flies behind a house, the lens won't jump its focus to now have the house in focus.


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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Peter2516
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Jun 16, 2014 12:18 |  #4013

Even if I am staying on the same target it is not tracking at all once that target moves left or right. I have to keep on tapping halfway with shutter to have it in focus, I never have to do that with my other lens, I am still sending mine since I got it 2 weeks after it was release. I am sure there is something wrong with the AF when I used my 7D. Maybe there is nothing wrong with the lens if you pair it with your t2i but obviously have issues with my 7D.


Peter
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EOS 5D Mark IV, 1Dx1, 7D Mark I & II/Canon T2i Gripped/EF 500mm f/4L IS USM MK1 / EF70-200mm f2.8L IS II USM / EF100 -400 f4.5-5.6L USM/ EFS 10-22mm/EFS 17-55mm/EFS 18-200mm/Canon 1.4x II/Canon 2x III/ 430EXII / 580EXII.

  
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pknight
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Jun 16, 2014 13:15 |  #4014

Peter2516 wrote in post #16974991 (external link)
Even if I am staying on the same target it is not tracking at all once that target moves left or right. I have to keep on tapping halfway with shutter to have it in focus.

This sounds more severe than what most people have described, which is more like what archer1960 reports.


Digital EOS 7D Mark II Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC

  
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pwm2
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Jun 16, 2014 13:26 |  #4015

pknight wrote in post #16975157 (external link)
This sounds more severe than what most people have described, which is more like what archer1960 reports.

But if the subject moves left or right, then the camera must have enabled focus points to the left or right for any tracking to be possible. So used camera, and used (camera-specific) camera settings will matter a lot for this situation.


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Peter2516
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Jun 16, 2014 13:29 |  #4016

pknight wrote in post #16975157 (external link)
This sounds more severe than what most people have described, which is more like what archer1960 reports.

I think it is not that severe otherwise I should have not kept the lens, I think it is the same as other 7D users experiencing before the firmware. I have gotten some real good shots in both of my cameras. the thing that bothers me also is when on AI servo when is first point to a near subject let say a bird then when point to another bird with not so far distance while pressing the the shutter halfway from the first subject it wont focus, it's just dead not even trying on hunting to focus and this is on AI servo mode, unless I tap the shutter halfway again then it focus quickly.


Peter
http://www.flickriver.​com/photos/peterbangay​an (external link)
EOS 5D Mark IV, 1Dx1, 7D Mark I & II/Canon T2i Gripped/EF 500mm f/4L IS USM MK1 / EF70-200mm f2.8L IS II USM / EF100 -400 f4.5-5.6L USM/ EFS 10-22mm/EFS 17-55mm/EFS 18-200mm/Canon 1.4x II/Canon 2x III/ 430EXII / 580EXII.

  
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Peter2516
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Jun 16, 2014 13:38 |  #4017

archer1960 wrote in post #16974417 (external link)
It DOES work fine if you are staying on the same target, because it moves continuously, and the lens can follow it. The issue people are having is something like if the bird you're tracking (for example) flies behind a house, the lens won't jump its focus to now have the house in focus.

I think this is more on camera setting, if the bird was in focus than suddenly flies behind a house of course the house becomes in focus since it will become the subject that the camera is focusing at. In my 7D setting I have this set up with slow so that when another subject or object comes in front of the main subject it won't focus right away it will still slowly track the main subject not the one in front of it. That is how I understand the setting but of course I maybe wrong since English is not my first language :).


Peter
http://www.flickriver.​com/photos/peterbangay​an (external link)
EOS 5D Mark IV, 1Dx1, 7D Mark I & II/Canon T2i Gripped/EF 500mm f/4L IS USM MK1 / EF70-200mm f2.8L IS II USM / EF100 -400 f4.5-5.6L USM/ EFS 10-22mm/EFS 17-55mm/EFS 18-200mm/Canon 1.4x II/Canon 2x III/ 430EXII / 580EXII.

  
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Canajun
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Jun 16, 2014 18:52 as a reply to  @ post 16966641 |  #4018

Hi all sorry for dropping in,
I only read as far back as post 3933. I just got mine last Friday and was wondering if mine has the latest f/w. I did not read anyone mention which batch has the old f/w and what serial # has the new f/w. My serial number starts with 009xxx (Canadian issue).
It's too late for me to call the store tonight but for sure will call them in the morning to confirm my copy.


Jun.Roberto.Dizon.Greg​orio
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LV ­ Moose
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Jun 16, 2014 18:57 |  #4019

Canajun wrote in post #16975829 (external link)
Hi all sorry for dropping in,
I only read as far back as post 3933. I just got mine last Friday and was wondering if mine has the latest f/w. I did not read anyone mention which batch has the old f/w and what serial # has the new f/w. My serial number starts with 009xxx (Canadian issue).
It's too late for me to call the store tonight but for sure will call them in the morning to confirm my copy.

Good luck finding out. Even Tamron doesn't know. Or at least they say they don't know.


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Canajun
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Jun 16, 2014 20:22 |  #4020

LV Moose wrote in post #16975836 (external link)
Good luck finding out. Even Tamron doesn't know. Or at least they say they don't know.

ok thanks I just assumed it was official release. No wonder not much showed up when I googled the subject.


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Tamron developing 150-600mm VC USD lens
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