70-200 f/2.8 & 2X TC combination "Test" -- Canon Lenses in photography-on-the.net forums

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Apr 07, 2008 12:17 | #16

I just did some similar tests over the weekend, both on my 5D and 1Dmklln and with the 70-200 f2.8L IS and the 300 f4L IS. I had to use manual focus even on the 1 series with the 2.8 since it constantly hunted. I wish I had a focusing aid like in my old A-1 days but think I got the focus pretty close. Results of my tests along with the full files can be seen at the end of this album.
http://picasaweb.google.com/cicopo/LensSamples

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PhotosGuy
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Apr 23, 2008 09:16 | #17

I just did some similar tests over the weekend,

Thanks for posting those, Larry.

Another shot is in this thread:
It's Pussy Willow season!

70-200 f/2.8 + 2X TC
f/11, 1/800 sec, ISO 400
USM 100 0.8 1

Granted that they're slightly OOF, but can you see the 3 spider webs?
.

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ypx3

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Jun 05, 2008 22:20 | #18

This thread is very helpful. I also do most of my shooting in MI and I know what you're talking about completely.

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bikinicenter

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Jun 06, 2008 00:20 | #19

PhotosGuy, Was that image taken by that very old looking camera your holding in your avator??? omg

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PhotosGuy
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Jun 06, 2008 09:02 | #20

I also do most of my shooting in MI and I know what you're talking about completely.

Have you said "Hi!" in this thread yet?
How many from Michigan?

Was that image taken by that very old looking camera your holding in your avator

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Savas K

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Jun 07, 2008 13:53 | #21

Here is a recent test with my 70-200 f/2.8 L IS and a 1.4 Canon TC II. Both shots are 200mm wide open, the first without the TC and the second with the TC, winding up at approx. 280mm.

HTTP response: 404 | MIME changed to 'image/gif' | Byte size: ZERO | PHOTOBUCKET ERROR IMAGE

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PhotosGuy
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Jun 08, 2008 08:53 | #22

It looks good, but I would have expected that with the 1.4X TC.

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Savas K

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Jun 09, 2008 20:25 | #23

PhotosGuy wrote in post #5682901

It looks good, but I would have expected that with the 1.4X TC.

What do you expect with the 2x TC?

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Jun 10, 2008 09:00 | #24

What do you expect with the 2x TC?

I wasn't sure, which is why this thread exists.

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vpnd

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Jun 13, 2008 01:22 | #25

I had the same combo and was amazed at how much contrast you lose on that lens when putting the tc2x on it.

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PhotosGuy
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Jun 13, 2008 10:19 | #26

I had the same combo and was amazed at how much contrast you lose on that lens when putting the tc2x on it.

Stopped down one stop, it's not terrible. It does lose contrast, but that's why we have PS?

I need (1) another option to the 100-400 I don't have that's (2) pretty good outdoors & (3) faster without the TC than the f/4 for indoors. So it's a compromise I think I'll be able to live with. We'll see this Summer.

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ypx3

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Jun 14, 2008 00:08 | #27

I'm considering buying either the 1.4 or 2 for my 70-200 F2.8 thats why i got in this thread in the first place.

Anybody know how they compare to other brands?

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Jun 14, 2008 05:51 | #28

ypx3 wrote in post #5719197

I'm considering buying either the 1.4 or 2 for my 70-200 F2.8 thats why i got in this thread in the first place.

Anybody know how they compare to other brands?

If you want to compare them, there is almost too much info in the Teleconverter Sticky

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Jul 28, 2008 14:11 | #29

These are all with the 70-200 f/2.8 + 2X TC. EXIF is included.

POTN at Waterford Hills - Open Wheel Club Racing.

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Jul 28, 2008 14:49 | #30

PhotosGuy wrote in post #6000990

These are all with the 70-200 f/2.8 + 2X TC. EXIF is included.

POTN at Waterford Hills - Open Wheel Club Racing.

Well that settles it. I couldn't dream of getting those shots, so no concerns on image quality for me...haha.

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