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Wulff
Old Timer
Joined: 21 Apr 2006
Posts: 58
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 Pleasantly surprised. 100-400L with Tamron 1.4 |
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Just got the TC this afternoon. I plan on using it selectvely, namely offshore birds on bright days.
Surprise 1 was AF. While sluggish, it was better than I was expecting
Surprise2.
Because it was mid evening most of the shots I had time for (just quickies from my backyard) were at 800 and 1600 ISO. Im not sure what to make of them. Certainly not as good as the bare lens but overall pretty decent. What do you think?
Could use an ID on this to:)
Very happy with this shot
Blew the exposure but still indicative
Whats not to like?
Finally, what would have been little more than a smudge without the TC
100% crop
Thoughts?
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| Thu Jun 08, 2006 10:05 pm |
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surfinbird
Old Timer
Joined: 21 Apr 2006
Posts: 93
Location: Toronto |
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HI There
I will be getting a 1.4 and I'm looking at the Canon model . What made you choose a Tamron ?
surfinbird
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surfinbird
bird is the word |
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| Mon Jun 12, 2006 9:36 am |
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Wulff
Old Timer
Joined: 21 Apr 2006
Posts: 58
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It's the only TC that maintains AF without having to tape the pins.
Canon, Kenko and Tamron "Pro" TCs all report to the body, which on an XT won't AF if the max aperature is 5.6 or less. I tried the "tape" on a Canon 1.4 and while it did AF, it was extremely sluggish. It took about 2 to 3 seconds to focus on a stop sign on a bright day.
By comparison, the Tamron I picked up still focuses on most targets in under a second. Theres been a few occasions where it really struggles, but so far 90% of the time AF is still pretty good.
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| Mon Jun 12, 2006 10:06 am |
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surfinbird
Old Timer
Joined: 21 Apr 2006
Posts: 93
Location: Toronto |
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I plan on using the 1.4 on a f4 300mmL is prime so I am hoping that I should be ok with the Canon.
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surfinbird
bird is the word |
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| Mon Jun 12, 2006 11:49 am |
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Tommy
Board Member
Joined: 20 Apr 2006
Posts: 25
Location: Scarborough |
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| Tamron or Canon 1.4X TC |
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Rob,
You don’t need the Non-Pro Tamron 1.4X TC.
Your EF 300mm f/4L will work better with the Canon EF 1.4X II TC. The Non-Pro Tamron 1.4X TC is only used with the EF 400mm f/5.6L or the EF 100-400mm f/4.5-5.6L so AF (Auto focus) is maintained.
How is the EF 300mmL working for you?
Here is a photo of a Chestnut-sided Warbler taken this spring with the EF 300mmL + EF 1.4X II combination 
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| Mon Jun 12, 2006 9:00 pm |
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surfinbird
Old Timer
Joined: 21 Apr 2006
Posts: 93
Location: Toronto |
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Great picture Tommy my 300mm is a great lens, but I want a little more reach and when I get some photos that are worthy I will post them in the gallery.
surfinbird
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surfinbird
bird is the word |
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| Tue Jun 13, 2006 7:54 am |
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