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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses
Thread started 17 Dec 2014 (Wednesday) 10:12
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EF 100-400mm f/4.5-5.6L IS II USM Review WOW!

 
huntersdad
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Aug 23, 2015 20:34 |  #1786

I didn't read through the thread, so this may have been discussed. Have any of you noticed that this lens is more susceptible to the effects of heat shimmer than some of your other lenses? I was got some deer shots today in the Bighorns at a distance of about 20 yards early in the morning. Back of the camera looked fine. But when I got them home and looked a little closer, there was quite a bit of squiggly going on. I was a little shocked given the air temp was in the low to mid 20s, the distance was relatively short and the shot was over grass.

Just curious. Glad to have this one back in the fold and look forward to pairing it with my 50D when the 7d2 has the 500 on it.


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Archibald
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Aug 23, 2015 20:43 |  #1787

huntersdad wrote in post #17680387 (external link)
I didn't read through the thread, so this may have been discussed. Have any of you noticed that this lens is more susceptible to the effects of heat shimmer than some of your other lenses? I was got some deer shots today in the Bighorns at a distance of about 20 yards early in the morning. Back of the camera looked fine. But when I got them home and looked a little closer, there was quite a bit of squiggly going on. I was a little shocked given the air temp was in the low to mid 20s, the distance was relatively short and the shot was over grass.

Just curious. Glad to have this one back in the fold and look forward to pairing it with my 50D when the 7d2 has the 500 on it.

I have not noticed heat shimmer, but sometimes the bokeh is funky (doubling can be noticeable).


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Lbsimon
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Aug 23, 2015 21:15 |  #1788

Archibald wrote in post #17680406 (external link)
I have not noticed heat shimmer, but sometimes the bokeh is funky (doubling can be noticeable).

The same observation. I did not notice heat shimmer even though I have been shooting every weekend with this lens this summer. Ugly bokeh sometimes, particular when shooting birds or other wildlife in grass or on tree branches.


5D Mark IV | 6D | S110
EF 17-40L | EF 24-105L (two) | EF 70-200L F4 IS | EF 100-400L II | EF 85 1.8 | EF 50 1.8 STM | Canon 1.4x III | Canon 1.4x II
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CyberDyneSystems
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Aug 23, 2015 22:17 |  #1789

Some shots of a little sand piper,. (spotted?) the detail is amazing with the 7D2 and this wonderful lens;

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CyberDyneSystems
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Aug 23, 2015 22:20 |  #1790

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Choderboy
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Sydney, Australia
Aug 23, 2015 23:16 |  #1791

huntersdad wrote in post #17680387 (external link)
I didn't read through the thread, so this may have been discussed. Have any of you noticed that this lens is more susceptible to the effects of heat shimmer than some of your other lenses? I was got some deer shots today in the Bighorns at a distance of about 20 yards early in the morning. Back of the camera looked fine. But when I got them home and looked a little closer, there was quite a bit of squiggly going on. I was a little shocked given the air temp was in the low to mid 20s, the distance was relatively short and the shot was over grass.

Just curious. Glad to have this one back in the fold and look forward to pairing it with my 50D when the 7d2 has the 500 on it.

Temperature is irrelevant. Temperature difference is. I was shooting some sailing boats across the water getting good results.
Then the temperature dropped and shimmer became extreme. The water was now warmer then the air.
That could happen on very hot or very cool day.

I have been wrong before :) but I doubt lens is a factor regarding this problem, other than the better the lens the more obvious the effect is.


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bidkev
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From Blackpool UK to Brisbane Australia 20 yrs ago
Aug 24, 2015 00:49 |  #1792

Lbsimon wrote in post #17680452 (external link)
The same observation. I did not notice heat shimmer even though I have been shooting every weekend with this lens this summer. Ugly bokeh sometimes, particular when shooting birds or other wildlife in grass or on tree branches.


I 2nd that. The bokeh is so weird at times. I do my best to get the birds skylined as stuff in the background can come out very weird. This is the weirdest so far ???

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[IMAGE'S LINK: https://flic.kr/p/uQam​qz] (external link)Hardhead (White Eyed) Duck Female (external link) by Kevin Dickinson (external link), on Flickr

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bidkev
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Aug 24, 2015 01:04 |  #1793

From this morning's shoot with it mounted on the 5d3 for a change as I was testing the Tokina 11-16 on the 7Dmkll

IMAGE: https://farm1.staticflickr.com/678/20808289476_d18e4f3df7_b.jpg
[IMAGE'S LINK: https://flic.kr/p/xGKV​vE] (external link)Little Black Cormorant (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/wN4Q​qu] (external link)Little Black Cormorant (2) (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/xKHB​kn] (external link)Intermediate Egret (2) (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/xJfs​HJ] (external link)2015_08_24_9999_36 (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/xsx7​Cx] (external link)Australian Darter (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/xsxd​zH] (external link)Australian Darter (6) (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/xsxt​ct] (external link)Australian Darter (3) (external link) by Kevin Dickinson (external link), on Flickr

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[IMAGE'S LINK: https://flic.kr/p/xKFf​C4] (external link)Australian Darter (2) (external link) by Kevin Dickinson (external link), on Flickr

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John_T
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Switzerland
Aug 24, 2015 03:24 |  #1794

Choderboy wrote in post #17680576 (external link)
Temperature is irrelevant. Temperature difference is. I was shooting some sailing boats across the water getting good results.
Then the temperature dropped and shimmer became extreme. The water was now warmer then the air.
That could happen on very hot or very cool day.

I have been wrong before :) but I doubt lens is a factor regarding this problem, other than the better the lens the more obvious the effect is.

Exactly the same experience here. The depth of the DOF and sharpness of the lens may make clearer, more defined and identifiable, though more often it will be mushy and blurry for no immediately recognized reason and may be attributed to something else. Haze, heat waves, compressed atmospherics, etc. will always be factors with long lenses. You may also have longer grass or plants out of focus and waving in the breeze that get mistaken for heat waves or something else.


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digital ­ paradise
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Aug 24, 2015 08:08 |  #1795

Gonna try this next week.


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Keith ­ Taylor
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Adelaide
Aug 24, 2015 09:22 |  #1796

My first attempt at image posting, SOOC with the7DII 100/400 mkII combination. I have some duck shots but the light was rather poor, so we have a local bird called an Adelaide Rosella instead. As perceived by humans they are a more refined bird in that their colours are more subtle and their call is far less screechy than other parrots.

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Keith ­ Taylor
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Aug 24, 2015 09:26 |  #1797

Another shot of the Adelaide Rosella.

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DaveCurtis
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Aug 24, 2015 09:31 |  #1798

KainguLodge wrote in post #17679871 (external link)
Another Meyer's, this time with 1.4xII attached. Again, heavy crop as the hide cannot be closer.


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forum: Canon EF and EF-S Lenses

Well worth the effort of building the hide and getting up early. I haven't done much with the 1.4x but I think I should. :-)


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Petie53
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Joined Jan 2014
Aug 24, 2015 10:12 |  #1799

Hey Keith - that second shot of the back of the parrot is really nice! Love the colors and markings / highlights.
Very well done. :-)


Pete
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bidkev
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From Blackpool UK to Brisbane Australia 20 yrs ago
Aug 24, 2015 20:14 |  #1800

100% crop of an unidentified bird in the UK

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[IMAGE'S LINK: https://flic.kr/p/xMN8​xr] (external link)1Z0A1551 (external link) by Kevin Dickinson (external link), on Flickr

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Canon 7D mk2 | Canon 6D, 100-400L mk2, Canon 24-105L, Canon 100 Macro | 24 EF-S 2.8 STM |Canon 1.4 Ex Mklll | Canon 580EXll| Kenko 12,20,36 Ext tubes |

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