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Old Jan 6, 2008, 6:17 AM   #1
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Ok, I have an EF 70-200 F4 L and an EF 1X4 TC, these produce great shots but Id like to have a zoom lens with the range 300m. It has to be as sharp so I'm thinking of the Sigma AF 100-300mm f/4 EX HSM APO lens. I seem to have the TC on my lens all the time so maybe I would be better off with the sigma. The main thing is I want the quality. I already have the Ef 400 F5.6 prime so have my 400m reach and I'm not prepared to get rid of that lens so it has to be the smaller zoom. Does anyone here have any thought on this lens; I'm told it beats the pants of the EF 100-400 IS. I don't need IS, I have no problems shooting with my long prime handheld and don't see any reason why I could not continue to do without it.

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Old Jan 6, 2008, 9:16 AM   #2
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It was just a thought but I have researched since the first post and discovered the sigma was a bit heavy, I do use the 400 (and wont compromise and sell that to get another lens) for most wildlife except zoo shots and birds around my yard where I need the zoom. I have to say that the 70-200 L produces stunning shots even with the TC and is quite light and I did not realise the sigma was so heavy. Maybe I already have the perfect combo and the extra 20m is not worth the hassle. I thought selling the 70-200 and the TC would finance the sigma but I think I keep what I have.
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Old Jan 6, 2008, 11:03 AM   #3
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Julie:

You may want to stick with the default text colors for your posts.

Otherwise, the text can be unreadable when using a different forum theme.

For example, I keep my Board Theme set to "Default" versus "Shades", and I can't read your posts.

Change your "Board Theme" to Default and you'll see what I mean. ;-) You'll find it under "My Acount>Preferences>Board Theme". Here's a direct link to that page:

http://forums.steves-digicams.com/fo..._preferences=1

The "Shades" theme you probably have set now is a custom theme designed to match the colors of the main site. But, it's got a few quirks (one of them being that changed text colors can be unreadable under a different theme).

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Old Jan 6, 2008, 1:55 PM   #4
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aladyforty wrote:
Quote:
... I did not realise the sigma was so heavy. Maybe I already have the perfect combo and the extra 20m is not worth the hassle. I thought selling the 70-200 and the TC would finance the sigma but I think I keep what I have.

No argument that your current setup is quite adquate but aren't you grabing @ straw here?
The EF 400 f/5.6L is 1.280kg
The Sigma 100-300 f/4 EX is 1.440 kg, that's only 160g difference - How heavy is that? I believe my pack of Lifesavers gummy bear weight more @ 7oz (198g)!!!

-> This a very small weight penalty for an f/4 lens which capture twice the light of an f/5.6 which BTW in itself is much lighter than your two lenses combo - Correct? :-)
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Old Jan 6, 2008, 10:26 PM   #5
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But This is not about my 400 prime. This is about replacing the 70-200 F4 L and the TC so That I am using a zoom lens without a TC all the time. The 400 gets used for far off wildlife, surfing etc. The zoom is used fior many other purposes



PS I hope my settings are Ok now
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Old Jan 6, 2008, 10:52 PM   #6
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aladyforty wrote:
Quote:
This is about replacing the 70-200 F4 L and the TC so That I am using a zoom lens without a TC all the time.
Exactly!
May be I said it wrong, the Sigma 100-300 f/4EX is not so heavy... It weights-in at slighly more than your EF-400 prime and a pack of gummy bear!
-> But you are getting twice the light gathering capability of your 70-200 f/4 + TC which is f/5.6!!!

... and is as sharp if not sharper than Canon 300mm f/4 prime (which is amazing for a zoom):
http://www.photozone.de/8Reviews/len...00_4/index.htm
http://www.photozone.de/8Reviews/len...00_4/index.htm
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Old Jan 7, 2008, 12:28 AM   #7
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sounds a nice lens, i shall have to mull it over





NHL wrote:
Quote:
aladyforty wrote:
Quote:
This is about replacing the 70-200 F4 L and the TC so That I am using a zoom lens without a TC all the time.
Exactly!
May be I said it wrong, the Sigma 100-300 f/4EX is not so heavy... It weights-in at slighly more than your EF-400 prime and a pack of gummy bear!
-> But you are getting twice the light gathering capability of your 70-200 f/4 + TC which is f/5.6!!!

... and is as sharp if not sharper than Canon 300mm f/4 prime (which is amazing for a zoom):
http://www.photozone.de/8Reviews/len...00_4/index.htm
http://www.photozone.de/8Reviews/len...00_4/index.htm
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Old Jan 7, 2008, 10:38 AM   #8
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Have you thought of a Bigma 50-500? :idea:

This lens is indeed heavy @ 1.8kg, but it does extend your reach to 500mm and still provide you the zoom capability when needed:
At f/6.3 is only a 1/3 stop down from f/5.6
Try this f/6.3 aperture with your 400 f/5.6L by using the AV mode and pressing the stop-down button on your camera where you can see little to no difference during the day, but this lens is a lot lighter than a 500mm (@ 2 to 3x less its weight)!

-> Like you I love my 500 prime, but at time I need something lighter to carry around without losing the capability of getting a shot when I don't have the right focal lenght:
http://forums.steves-digicams.com/fo...mp;forum_id=58
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Old Jan 8, 2008, 6:11 AM   #9
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Im getting the bigma for my hubby so I will have the use of it as well anyway:-)
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Old Jan 8, 2008, 10:21 AM   #10
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aladyforty wrote:
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Im getting the bigma for my hubby so I will have the use of it as well anyway:-)

-> The other option I forgot to mention is the Tamron 200-500 - At the same weight as your EF 400 f/5.6L, it's lighter than the Bigma and is also sharper but at the expense of not having the USM/HSM. I tried it at B+H, the AF is not any slower just slighly noisier but no full-time manual overide...
http://www.photozone.de/8Reviews/len..._563/index.htm
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