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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!

 
gonzogolf
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Oct 06, 2020 12:12 |  #11236

markesc wrote in post #19134916 (external link)
Wow!!!

I need me some Elk photos!!! Yellowstone?

Nope. Rocky Mountain National Park. The Moraine Meadow area is a prime location during the rut. I counted 6 large bulls in the meadow and probably 40 cows




  
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ct1co2
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Oct 06, 2020 13:26 |  #11237

gonzogolf wrote in post #19134994 (external link)
Nope. Rocky Mountain National Park. The Moraine Meadow area is a prime location during the rut. I counted 6 large bulls in the meadow and probably 40 cows

…and 400 cars lining the road. :-P

Great images! We often pack a picnic dinner, go to RMNP, and stake out a claim on the side of the road during the rut.


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gonzogolf
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Post edited 1 month ago by gonzogolf.
     
Oct 06, 2020 13:30 |  #11238

ct1co2 wrote in post #19135021 (external link)
…and 400 cars lining the road. :-P

Great images! We often pack a picnic dinner, go to RMNP, and stake out a claim on the side of the road during the rut.

Yeah we get there well before dawn and listen to the bugging to figure out where to start. This year they were spread all across the meadow compared to the last couple of years. They key is to get on the right side of the herd for the good light.




  
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C ­ Scott ­ IV
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Post edited 1 month ago by C Scott IV. (3 edits in all)
     
Oct 06, 2020 17:43 |  #11239

Dubi wrote in post #19134722 (external link)
Using a canon 80D, what would be the best extender to buy for my 100-400ii to shoot airplanes?

1.4x or 2x?

Many months ago their was a discussion on this and I must admit I was thoroughly confused.

The EF 1.4x II will only allow the center AF point. If you get a 1.4x get the EF 1.4 III if you want more than the center focus point.

My Kenko 1.4x would AF with all AF points on the 80D with the 100-400L but the camera refused to recognize the 100-400L II with it.

The 2x will AF in live view but not through the view finder. So if you shoot from a tripod and can use live view you might be OK.


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Immaculens
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Oct 06, 2020 18:16 |  #11240

C Scott IV wrote in post #19135110 (external link)
The EF 1.4x II will only allow the center AF point. If you get a 1.4x get the EF 1.4 III if you want more than the center focus point.

Any other benefits to the EF 1.4 III?

I may get the II...


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Oct 06, 2020 18:53 |  #11241

Immaculens wrote in post #19135119 (external link)
Any other benefits to the EF 1.4 III?

I may get the II...

When I was researching someone here on POTN said the II is sharper in the center and the III was not quite as sharp in the center but more evenly sharp across the frame.

I was happy with my II wide open but when I stopped it down for landscapes I found it was defective. The glass had a scratch on it, which resulted in a huge dark spot in the photos. I bought it used from B&H and couldn't return it because I didn't notice it in time.

I just got my III the other day. Haven't put the III to the test yet but I can confirm 27 AF points with the 80D and 100-400L II.


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Oct 06, 2020 20:11 |  #11242

gonzogolf wrote in post #19134994 (external link)
Nope. Rocky Mountain National Park. The Moraine Meadow area is a prime location during the rut. I counted 6 large bulls in the meadow and probably 40 cows

Wow!! I need to get out there!!!




  
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Methodical
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Oct 07, 2020 12:16 |  #11243

Immaculens wrote in post #19135119 (external link)
Any other benefits to the EF 1.4 III?

I may get the II...

I think the III are supposed to work better (AF wise) with the newer II and III lenses.


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Oct 07, 2020 21:30 |  #11244

sidg wrote in post #19134731 (external link)
The 1.4x works very well. The 2x won't auto focus so unless you are very good at manual focus go with the 1.4x.

Thank you!

I’m terrible at autofocus so 1.4 is the answer.




  
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sploo
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Oct 09, 2020 08:38 |  #11245

nardes wrote in post #19133679 (external link)
The 12mm tube provides an air gap allowing the Extenders to be coupled. I suspect that I got lucky on the 100-400mm as this did not appear to affect infinity focus, but maybe on other lenses, it might well not allow the lens to focus at infinity.

AF lenses don't have a hard stop at infinity, so they can usually focus to... err... infinity and beyond.

IRC the effect of extension is less with longer focal lengths, so if you use a 2x TC on the lens, then a 12mm tube, then a 1.4x TC between the tube and the body, you'll usually be OK for infinity focus.


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Oct 11, 2020 10:25 |  #11246

Thanksgiving Morning in my Canadian Town ~


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Post edited 1 month ago by C Scott IV. (3 edits in all)
     
Oct 11, 2020 21:20 |  #11247

Saw this Watersnake and Bluegill today. I'd say the 1.4x III did pretty well. This is almost 100% crop.

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Oct 11, 2020 22:25 |  #11248

IMAGE: https://photos.smugmug.com/RMNP-2020/i-5mMXknz/0/5dfe4e70/X2/122A2465-X2.jpg
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Oct 12, 2020 07:36 |  #11249

C Scott IV wrote in post #19137225 (external link)
Saw this Copperhead and Red Eared Sunfish today. I'd say the 1.4x III did pretty well. This is almost 100% crop.

That is a WOW find. I'm getting the extender when on sale. Not expecting miracles but who knows ~


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Oct 12, 2020 08:42 |  #11250

Immaculens wrote in post #19137347 (external link)
That is a WOW find. I'm getting the extender when on sale. Not expecting miracles but who knows ~

Yes, I was following a Green Heron as it stalked a fish when I saw movement just out of the frame. Never seen anything like it. Really happy to have gotten the sequence.

I am really impressed with AF with the extender on the 80D. Although backlit turtles on a log in the lake was a struggle with 8-point assist mode. The water had more contrast.


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EF 100-400mm f/4.5-5.6L IS II USM Review WOW!
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