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Thread started 13 Dec 2013 (Friday) 23:44
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Tamron SP 150-600mm Di VC USD

 
DreDaze
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Feb 23, 2014 02:22 |  #2011

vsocks wrote in post #16709502 (external link)
Seems like you have had your mind made up long ago regardless of images posted.

how do you figure?

i'm not going to lie, when looking at full resolution shots, i'm not blown away by anything here...but i didn't decide any of that until i actually viewed these shots

if you're trying to say that i've been dogging this lens from the start before actually seeing images from it...then go ahead...bring up some old posts i've made before seeing actual full resolution shots...

good luck searching...i await your response...


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clarnibass
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Feb 23, 2014 02:24 |  #2012

Lenty007 wrote in post #16710148 (external link)
Well this morning I did the same with the 5dIII but besides a (tiny) improvement of IQ the result was pretty much the same (even without the TC).
It's clear I'll have to work on my technique - boosting the ISO for speed - trying a larger F-number - using a heavyer stand - ... .
Thanks clarnibass for the help!

I'm not sure if your new photo is with the x2TC or not, but it's noticably better at the same size, eventhough there are significantly less pixels on the moon from that setup (if my calculation is correct, about half when both are with or without the TC).
I have a 550D and don't remember any lens becoming parrticularly soft with it, but I haven't tried this lens and not sure how specific lenses "change" with different cameras. Maybe the TC works worse with that camera? I really have no idea.
BTW did you use the mirror up mode on the 5D? I'm not sure if the 600D even has this mode (I've checked with my 550D since I don't use it that way, maybe it's automatically that way in LV?).


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Lenty007
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Feb 23, 2014 03:05 as a reply to  @ clarnibass's post |  #2013

You are very observative!!!
The 5d shot was a 100% crop WITHOUT the TC!
Mirrors on both camera's can be flipped (C.fnIII-8 on the 600d) so that's what I will attempt next time.
(One day I'll master it you you did ;))
Tx for the kind support
Greetings,
Alain,




  
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clarnibass
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Feb 23, 2014 03:45 |  #2014

Lenty007 wrote in post #16710201 (external link)
You are very observative!!!
The 5d shot was a 100% crop WITHOUT the TC!
Mirrors on both camera's can be flipped (C.fnIII-8 on the 600d) so that's what I will attempt next time.
(One day I'll master it you you did ;))

Thanks, but honestly I've only ever taken two photos of the moon... I just think I got the best possible with my very limited equipment (Tamron 70-300mm) from where I am able to take the photo.

Hard to say what the x2TC does since it was on a different camera, different day, etc.
If the APSC frame was filled with the subject, getting 18MP, then the 5DIII would get approx 8.5MP (same FL and position). The x2TC makes it x4 more pixels. So if you get a full frame of 18MP of a photo with the 600D + Tamron 150-600mm at 600mm + x2TC then the same frame (cropped to match) on the 5DIII without x2TC would get... just over 2.1MP! So your first example being almost x9 more pixels, still looks worse at the same size, something is very strange. IME with the 550D it doesn't have something that makes it so much worse... but I haven't tried it with this lens and I don't know what effect the x2TC has with it.

I can't believe this is anywhere near the best this lens can do at 600mm (your first example). From what I've seen at 600mm it's at least as good as the Tamron 70-300mm at 300mm. That's why I'm interested in finding out what caused the issue. Your new example is already significantly better.


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Lenty007
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Feb 23, 2014 03:57 as a reply to  @ clarnibass's post |  #2015

Of course we can't argue a difference in IQ between the two bodies.
The 5d is just amazing in its own!
Need to add too that the moon was just about 25° above the rim and was losing brilliance.
I have far more better moonshots laying around (other lenses) in cases where the moon was at its highest (and faster shutter possible).
So in fact the main reason for the softiness is motion blur.
O yea, the 5d doesn't take the Tamron TC very well. The image was ... well a NO GO. Simply unusuable.
This was mearly a attempt for a moonshot with a new lens in BAD conditions.
Cheers




  
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Peter2516
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Feb 23, 2014 04:05 as a reply to  @ post 16610726 |  #2016

Great shots John.


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IanE
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Feb 23, 2014 04:29 as a reply to  @ post 16610726 |  #2017

Been out shooting the local British 'wildlife' again.

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

IMG_9860 (external link) by IanEv (external link), on Flickr

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IMG_9741 (external link) by IanEv (external link), on Flickr

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vsocks
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Feb 23, 2014 07:05 |  #2018

DreDaze wrote in post #16710179 (external link)
how do you figure?

i'm not going to lie, when looking at full resolution shots, i'm not blown away by anything here...but i didn't decide any of that until i actually viewed these shots

if you're trying to say that i've been dogging this lens from the start before actually seeing images from it...then go ahead...bring up some old posts i've made before seeing actual full resolution shots...

good luck searching...i await your response...

No just saying it seems like from the start you have been dogging the threads on this lens and when some nice images have been posted......been the first to make negative comments. If you don't like this lens or the images why not just move on? Are you really adding some value? Just sayin..


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John ­ Sheehy
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Feb 23, 2014 09:55 |  #2019

Lenty007 wrote in post #16710232 (external link)
Of course we can't argue a difference in IQ between the two bodies.
The 5d is just amazing in its own!
Need to add too that the moon was just about 25° above the rim and was losing brilliance.
I have far more better moonshots laying around (other lenses) in cases where the moon was at its highest (and faster shutter possible).
So in fact the main reason for the softiness is motion blur.
O yea, the 5d doesn't take the Tamron TC very well. The image was ... well a NO GO. Simply unusuable.
This was mearly a attempt for a moonshot with a new lens in BAD conditions.
Cheers

The 5D should be a very TC-friendly camera, because the pixels are so big to begin with, that without the TC, lots of detail should be lost. IIRC, you took the shot wide open at 1200mm, which is not a good idea if you're going to be looking for maximum detail; you should be at f/18 or so, which is the sweet spot for the 150-600 at 1200mm. If you have an older TC, like my Tamron 2x SP from 2004 or so, it does not have modern coatings, and loses a bit more contrast. Unfortunately, the excellent Canon 2xIII does not fit on the Tamron 150-600 without a 12mm extension tube, which limits focus to about 80 to 100 feet.




  
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Lenty007
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Feb 23, 2014 10:14 as a reply to  @ John Sheehy's post |  #2020

Thanks for your input John Sheehy.
I guess I should apologise for my "pilots error"!
I'll learn the hard way :oops:.
Mayby it was pushing the limits of this lens but it is certainly capable of BETTER moonshots than those I made so far!




  
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DreDaze
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Feb 23, 2014 10:37 |  #2021

vsocks wrote in post #16710441 (external link)
No just saying it seems like from the start you have been dogging the threads on this lens and when some nice images have been posted......been the first to make negative comments. If you don't like this lens or the images why not just move on? Are you really adding some value? Just sayin..

i don't really think i've been dogging it from the start...hell, i started the other thread, i was definitely excited before there was any released images...yes the quote that you dug up was from the very first full size pics that i saw from this lens(thanks for stalking btw)...and to me it wasn't worth it to sell my sigma to get the lens...

i have seen many good images from it, and i still don't think i've made a bunch of negative comments about most images here...the one gripe i've had in this thread is those commenting about sharpness when an image is web-sized, that's always been a pet peeve of mine

as for moving on, it's not like i comment much here at all...i've made 9 posts in the last two weeks, and not a single one of them had anything to do with this lens...i do still look at the pics, because i still believe the jury is still out on this lens...and when i see you dig up a post from 5+ weeks ago to make me look bad, i am going to comment back...


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sanil
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Feb 23, 2014 11:24 as a reply to  @ post 16610726 |  #2022

from today ..

IMAGE: http://farm6.staticflickr.com/5524/12718890015_aee727294b_b.jpg


IMAGE: http://farm4.staticflickr.com/3804/12718887665_49c1043086_b.jpg

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Kickflipkid687
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Feb 23, 2014 11:36 as a reply to  @ post 16610726 |  #2023

Nice shots


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archer1960
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Feb 23, 2014 11:59 |  #2024

DreDaze wrote in post #16710773 (external link)
i don't really think i've been dogging it from the start...hell, i started the other thread, i was definitely excited before there was any released images...yes the quote that you dug up was from the very first full size pics that i saw from this lens(thanks for stalking btw)...and to me it wasn't worth it to sell my sigma to get the lens...

i have seen many good images from it, and i still don't think i've made a bunch of negative comments about most images here...the one gripe i've had in this thread is those commenting about sharpness when an image is web-sized, that's always been a pet peeve of mine


...

That's a valid point, but the original posters can legitimately make comments about sharpness, because they saw it before it was downsized.


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DreDaze
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Feb 23, 2014 12:07 |  #2025

archer1960 wrote in post #16710939 (external link)
That's a valid point, but the original posters can legitimately make comments about sharpness, because they saw it before it was downsized.

yes, of course...my peeve is for those that don't have access to the larger images


is there a reason this thread is now in the image archives? i see the other still exists...i don't want to be posting too many words, if this is now becoming the spot where photos are supposed to be(although i still see the other one is quite active)


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