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05/04/2007 04:55:06 AM · #1 |
Everything I have ever read on the topic has said: 1.4x good, 2x bad (quality suffers). I would love to see some good examples. A web site with test shots using a 70-200 2.8 and comparing the 1.4x to the 2x would be great. The reduced light issue isn't important here - just final quality.
But I would love to see any shots taken with any extender... let me know what the lens combo was.
And thanks in advance for playing (if play you do). |
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05/04/2007 05:25:05 AM · #2 |
All shot with 300mm F4 L IS with a 1.4x
I'm sure I have shots somewhere taken with 70-200 and combo of both extenders. I'll have to look around.
Message edited by author 2007-05-04 09:28:36.
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05/04/2007 06:37:53 AM · #3 |
I used my 70-200 f2.8 with 2x teleconverter for these 100% cropped images - all at f7.2-10. Converted from RAW using RSP (no sharpening).
  
  
I used three stacked 2x converters for this 1600mm (200mm x2, x2, x2) shot - Resized, autolevels (it was v grey otherwise) and sharpened. The main thing I notice is how much dirt shows from the stacked teleconverters!!
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05/04/2007 08:22:09 AM · #4 |
| Excellent - just the sort of stuff I was hoping to see. Thank you Dave and Matthew. There is no doubt that the 1.4 on a good prime is transparent. I am especially interested in seeing the extenders on the good zoom lenses. And let's also see some of the non-canon extenders (if anyone has examples). |
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05/04/2007 09:14:45 AM · #5 |
| The biggest negative ive seen with TCs is an increase in chromatic abberation... but if youre starting with a good 2.8 lens, that problem should be minimal anyways. |
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05/04/2007 11:20:41 AM · #6 |
Check out
//www.luminous-landscape.com/reviews/c-ext.shtml
This guy has a great website ... full of valuable reviews and info. Check out his comparison of the 1.4x and the 2.0x.
Taylor |
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