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Respected Contributor
Posts: 1,461
Registered: ‎02-26-2015

Re: Teleconverter Pros and Cons

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Esteemed Contributor
Posts: 4,182
Registered: ‎08-13-2015

Re: Teleconverter Pros and Cons


TTMartin wrote:

Green Heron, Ollie's Pond, Port Charlotte, FL 1/9/2017

A00A7598.jpg

Canon 7D Mk II, EF 100-400 IS II with 1.4X III, 560mm, 1/1250, f/8, ISO 640


I like the eyeball for some reason.

 

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Respected Contributor
Posts: 1,461
Registered: ‎02-26-2015

Re: Teleconverter Pros and Cons

[ Edited ]

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Respected Contributor
Posts: 1,461
Registered: ‎02-26-2015

Re: Teleconverter Pros and Cons

[ Edited ]

Deleted

Respected Contributor
Posts: 1,461
Registered: ‎02-26-2015

Re: Teleconverter Pros and Cons

[ Edited ]

 

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Frequent Contributor
Posts: 29
Registered: ‎12-05-2016

Re: Teleconverter Pros and Cons

After a lot of reading outside and inside of this forum, talking to a few friends that have the teleconverter, and based on the image quality of photos provided priimarily by TT Maritin, I ordered the Canon extender III to go with my Canon 100 x 400 mm EF IS USM II zoom lens.  The only difference between him and me is that I have the Canon 80D and he has the Canon 7D Mark II so he has the next Canon rung up.  Hopefully I'll get good results as well.  I'm calling this lens "the kingfisher" because, if you're a bird photographer, you'll know why.  Thanks hugely for all the comments and discussion.  I'll let you all know how it goes in a few weeks.

Frequent Contributor
Posts: 29
Registered: ‎12-05-2016

Re: Teleconverter Pros and Cons

By the way, I ordered the 1.4X extender which I failed to mention.

Honored Contributor
Posts: 7,272
Registered: ‎12-07-2012

Re: Teleconverter Pros and Cons

Only believe 1/2 of what you see and very little of what you read.

A lot of Canon stuff. Along with, a lot of other stuff.
Reputable Contributor
Posts: 700
Registered: ‎06-11-2013

Re: Teleconverter Pros and Cons


mjschocken wrote:

...difference between him and me is that I have the Canon 80D and he has the Canon 7D Mark II so he has the next Canon rung up...


Actually, your 80D has an excellent AF system for this particular lens + teleconverter combo. The 80D has 45-point AF, with up to 27 "f/8 capable" points.

 

The 7DII's 65-point AF may be superior in some other ways, but it only has a single "f/8 capable" point, at the center.

 

Keep us posted how you like the lens and TC combination after you get a chance to make some shots with them.

 

***********


Alan Myers
San Jose, Calif., USA
"Walk softly and carry a big lens."
GEAR: 5DII, 7DII (x2), 7D(x2) some other cameras, various lenses & accessories
FLICKR & EXPOSUREMANAGER 

Frequent Contributor
Posts: 29
Registered: ‎12-05-2016

Re: Teleconverter Pros and Cons

I used my new extender EF 1.4X III with my Canon 100 x 400 mm f4.5 - f 5.6 II yesterday at Circle B Bar Reserve in Lakeland, FL, my go-to birding spot.  (By the way, for those of you who might live in the area and don't know about Circle B, check it out.  Fantastic for Florida birds and other wildlife). For perched birds, it seemed to work very well.  Image quality was quite good at 560 mm.  I could capture birds in flight (in this case, great blue herons) but I did have a lot of trouble autofocusing on a bald eagle hovering in the air.  It seems like the speed of autofocusing is slowed in general with the extender.  Through the morning, I only used the single focusing point and have to try 9 or 27 points.  Overall, my initial experience was good for my limited sampling but the verdict is out for birds in flight.  I will report back in a few weeks when I have more experience with the extender on this lens and get a chance to photograph a belted kingfisher, hopefully both perched and in flight.  That will be my litmus test!

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