December 20, 2014, 10:28:55 PM

Author Topic: Tamron 150-600 Shootout via LensRentals.com  (Read 12509 times)

Steve

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #15 on: January 19, 2014, 07:57:43 PM »
Indeed.  It seems to lose ~25% of its peak resolving power (at 400mm) by the long end.  I wonder how that compares to cropping the Canon 100-400L?  Also, 600mm will have thinner DoF, meaning AF accuracy is more important.  A higher shutter speed may also be required, meaning higher ISO. 

Decent things to think about.  I would suppose that someone interested in this lens is probably using a crop body and the reduced resolution would most likely be better than the greater apparent noise you'd get from cropping from 400mm.  Might be a different story on a 5DII/III or 6D.  It would also make a big difference if stopping down improves resolving power at the long end to a significant degree.

Still, as good as a 100-400L with a little extra is going to be a great selling point to a lot of people.

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #15 on: January 19, 2014, 07:57:43 PM »

JustMeOregon

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #16 on: January 19, 2014, 08:12:47 PM »
Does anyone have an opinion as to how this Tamron 150-600 would fare against the comparable focal length(s) of the current Canon 100-400 paired with a  Canon Extender EF 1.4x III on a 5D3?
« Last Edit: January 19, 2014, 08:17:12 PM by JustMeOregon »

Don Haines

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #17 on: January 19, 2014, 08:15:44 PM »
My suspicion is that when Canon announces an updated 100-400 it will handily beat the Tamron where the ranges overlap and that cropping it will come close to the tamron at 600.... But I'll bet that if/when an updated 400F5.6 comes out it will blow the works away for IQ....

One of the things I like about the Tamron is the zoom range... Two of the most popular L glass lenses are the 28-70 and the 70-200's... a 100-400 has an awful lot of overlap.... the 150-600 does not.  I'd like to see Canon change the range of the 100-400 to something like 200-500 and with the zoom range being reduced from 4X to 2.5X there could be a huge jump in IQ.
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candc

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #18 on: January 19, 2014, 08:16:57 PM »
Well this is kind of a letdown for me. I have one on order and I will see what I think of it when it comes but this comparison says its not any better than what I have at 400 and not what I want at 600. It still looks to be good for what its supposed to do but here's a flash bulletin, it's not a substitute for the 600ii, dang!

I can't tell if you were being sarcastic. Was anybody really thinking it would be a substitute for the 600 II? It's 1/12th the price. Anyway, other tests show significant sharpness gains if you stop down at 600mm, and by f/11 its just as good as at 400mm.

I know it seems to be a remarkable product for the price but I was hoping it would be better wide open at 600. My present 600mm option is the sigma 120-300 plus 2xiii which has adequate sharpness  but the AF won't keep up with bif. I hope ths one can, if not it still seems to be a good travel and hiking long zoom.

p.s. I was being sarcastic.
« Last Edit: January 19, 2014, 08:21:18 PM by candc »

CarlMillerPhoto

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #19 on: January 19, 2014, 08:17:10 PM »
Does anyone have an opinion as to how this Tamron 150-600 would compare to the Canon 100-400 paired with a  Canon Extender EF 1.4x III on a 5D3?

Well, for starters you're going to be forced down to f/8 with the Canon & extender. It'll also put the Tamron in front in terms of IQ except for maybe at 600mm. Plus, that Canon + Extender combo is just about twice the price of the Tamron lens lol.
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CarlMillerPhoto

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #20 on: January 19, 2014, 08:19:44 PM »
Well this is kind of a letdown for me. I have one on order and I will see what I think of it when it comes but this comparison says its not any better than what I have at 400 and not what I want at 600. It still looks to be good for what its supposed to do but here's a flash bulletin, it's not a substitute for the 600ii, dang!

I can't tell if you were being sarcastic. Was anybody really thinking it would be a substitute for the 600 II? It's 1/12th the price. Anyway, other tests show significant sharpness gains if you stop down at 600mm, and by f/11 its just as good as at 400mm.

I know it seems to be a remarkable product for the price but I was hoping it would be better wide open at 600. My present 600mm option is the sigma 120-300 plus 2xiii which has adequate sharpness  but the AF won't keep up with bif. I hope ths one can, if not it still seems to be a good travel and hiking long zoom.

Ya if you have the 120-300 2.8 that makes things tricky. I think that lens (+ext) vs. this Tamron is the big question for those looking to get into the super-tele range on a budget.
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JustMeOregon

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #21 on: January 19, 2014, 08:21:20 PM »
Quote
I'd like to see Canon change the range of the 100-400 to something like 200-500...

+1

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #21 on: January 19, 2014, 08:21:20 PM »

candc

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #22 on: January 19, 2014, 08:39:21 PM »
Well this is kind of a letdown for me. I have one on order and I will see what I think of it when it comes but this comparison says its not any better than what I have at 400 and not what I want at 600. It still looks to be good for what its supposed to do but here's a flash bulletin, it's not a substitute for the 600ii, dang!

I can't tell if you were being sarcastic. Was anybody really thinking it would be a substitute for the 600 II? It's 1/12th the price. Anyway, other tests show significant sharpness gains if you stop down at 600mm, and by f/11 its just as good as at 400mm.

I know it seems to be a remarkable product for the price but I was hoping it would be better wide open at 600. My present 600mm option is the sigma 120-300 plus 2xiii which has adequate sharpness  but the AF won't keep up with bif. I hope ths one can, if not it still seems to be a good travel and hiking long zoom.

Ya if you have the 120-300 2.8 that makes things tricky. I think that lens (+ext) vs. this Tamron is the big question for those looking to get into the super-tele range on a budget.

When the new lens comes I will do a comparison and post for anyone that is interested.

hoodlum

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #23 on: January 19, 2014, 08:42:11 PM »
Not so good at 600mm wide open, but it gets a lot better at f/8. Not much has been said yet about the 500mm area.

Roger did measure the 150-600 @ 500mm.  The drop off in MTF wide open is very minimal compared to 600mm.  I wonder if cropping @ 500mm would give better results than 600mm when wide open, especially when used on a crop body.


lescrane

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #24 on: January 19, 2014, 08:43:12 PM »
Helpful, but the two things I really wanted to know weren't answered:  How effective the VC is while panning, and how much it improves at 600mm when you stop down to f/7.1 and f/8.

http://translate.google.com/translate?hl=en&sl=auto&tl=en&u=http%3A%2F%2Fqicai.fengniao.com%2F425%2F4259287_all.html

Whatever that is, it triggered AVG for a web-based exploit.

I didn't have problem, that review's been up there for a couple weeks. Try another browser, Im using Chrome.

lescrane

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #25 on: January 19, 2014, 08:46:56 PM »
Not so good at 600mm wide open, but it gets a lot better at f/8. Not much has been said yet about the 500mm area.

Roger did measure the 150-600 @ 500mm.  The drop off in MTF wide open is very minimal compared to 600mm.  I wonder if cropping @ 500mm would give better results than 600mm when wide open, especially when used on a crop body.



Looking at this chart of Roger's, it seems that 500mm is ok...the drop off hasn't hit rock bottom yet. Is that a correct conclusion?

markesc

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #26 on: January 19, 2014, 09:49:25 PM »
My suspicion is that when Canon announces an updated 100-400 it will handily beat the Tamron where the ranges overlap and that cropping it will come close to the tamron at 600.... But I'll bet that if/when an updated 400F5.6 comes out it will blow the works away for IQ....

One of the things I like about the Tamron is the zoom range... Two of the most popular L glass lenses are the 28-70 and the 70-200's... a 100-400 has an awful lot of overlap.... the 150-600 does not.  I'd like to see Canon change the range of the 100-400 to something like 200-500 and with the zoom range being reduced from 4X to 2.5X there could be a huge jump in IQ.

+1

200-500 would be perfect!

Mine ships on Monday, and should be here by Wednesday!  I've been very happy with my 75-300L, but more reach is needed and I'm not going to reward Canon for complacency. How many years have there been rumors about a 100-400 replacement? 

I look at the Tamron as a lens to get by with until this phantom mkII 100-400 arrives when were all 150 years old!

Will have four days off to test it out on the 5dmkiii and 70d  ;D







Equip: 5dmkiii, 70D, 70-300 F4-5.6L IS, 24-205F4L IS... Tokina 150-600 soon!

wsmith96

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #27 on: January 19, 2014, 09:55:04 PM »
  I'd like to see Canon change the range of the 100-400 to something like 200-500 and with the zoom range being reduced from 4X to 2.5X there could be a huge jump in IQ.

Didn't they do a 200-400?
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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #27 on: January 19, 2014, 09:55:04 PM »

Don Haines

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #28 on: January 19, 2014, 09:59:51 PM »
  I'd like to see Canon change the range of the 100-400 to something like 200-500 and with the zoom range being reduced from 4X to 2.5X there could be a huge jump in IQ.

Didn't they do a 200-400?
Yes, but instead of a $12,000 fast lens, something slower and around $2000 would fill a nice hole in the lineup....
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Canon1

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #29 on: January 19, 2014, 10:20:18 PM »
Its a nice zoom range, but the problem with stopping down to f/11 at 600mm is that you will be at really high ISO when shooting in lower light to get a respectable shutter speed. In this case it will likely be better to shoot with a 400mm at f5.6 and crop in post. (Which arguably, this lens will allow you to do....)

AF performance may be a big deciding factor.  It this lens can perform it may make up for IQ deficiencies.  It's definitely an interesting lens. 

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Re: Tamron 150-600 Shootout via LensRentals.com
« Reply #29 on: January 19, 2014, 10:20:18 PM »