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 enlarge | Brand: Canon
Category: Photography
List Price: $470.00
Buy New: $263.98
You Save: $206.02 (44%)
New (17) Used (1)
Avg. Customer Rating:  33 reviews
Media: Electronics
Autographed: No
Memorabilia: No
Shipping Weight (lbs): 0.8
Dimensions (in): 4.4 x 3.8 x 3.7
MPN: 6845A004
Model: 6845A004
UPC: 013803002423
EAN: 0013803002423
ASIN: B00009R6WL
Availability: Usually ships in 1-2 business days
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| Customer Reviews:
 cuts your lens by 1 f-stop July 18, 2007
5 out of 9 found this review helpful
This extender cuts your lens f-stop by 1, so if you have 2.8, it becomes f4, if f4, becomes f5.6 etc.
When i have this one, i usually make a AE +1 compensation and then 1/3 bracketing just to be in the safe said.
This extender will not fit on all Canon lenses, so make sure you double check before buying, i believed that this is only for the "L's".
I tried experimenting with it on my other lenses by putting a 12mm extension tube between the lens and the extender, AF wont work, Depth of Field is very limited to a few inches and is only good to shot flowers or jewelries you want to sell online.
Overall, if you have a 2.8F lens and just want some extra reach every now and then, this is for you, if you shot more telephotos, you might want to buy a real telephoto lens, AF is slowed down, F-stop is slowed by 1 and sharpness is also compromised.
I have this just to give my 70-200mm L IS USM 2.8 some extra reach but the difference is easy to spot between the straight and with the extender.
For avid photographer with limited budget, i will say, this is a must. :)
 canon extender won't interface with Tamron lens used on Canon 30D July 12, 2007
1 out of 41 found this review helpful
How disappointing! I expected the Canon 1.4x extender would fit my Canon 30D with Tamron 18-200 lens which I have used with 2 Canon cameras but alas the mount for the lens has a part sticking out so that the Tamron which fits on Canon camera won't fit on Canon extender lens. It seems it will only fit with a Canon fixed focal length lens. Would be nice if the ad makes that clear before ordering.
 None of my Canon lenses would fit! July 5, 2007
14 out of 73 found this review helpful
Something I really wanted, to extend the range of my Canon 70-300mm lens for use in zoo photos, nature, etc. Well, it fit the camera body just fine, but would not fit ANY of my Canon lenses that I had for my (former) Digital Rebel or my (new) 30D. What? So what Canon cameras does it fit? So I had to send it back. I even double checked the 'compatibility' of the extender from previous reviews on Amazon, and double checked them against Canon's own site. My lenses included the 'standard' 17-58mm, 10-22mm, 100mm Macro, and 70-300mm Zoom. NONE of these lenses would attach to the front of the 1.4 extender. Why was the front of the extender so small, that none of these lenses would connect? Someone made a big mistake in the list of lenses that don't fit. Does it work with L Glass only?
 Pricy but nice June 30, 2007
15 out of 19 found this review helpful
Be sure the lenses you have will work with the unit. I have seven lenses for my canon and it works only on the 100-400 "L" series. Course I bought it to extend that lens and it does a great job on it. But, it DOES NOT work with the great EF 24-105 f/4.0 'L'lens.
A hex on Canon for not making a lens capability list easily available!
great for an African safari June 20, 2007
6 out of 6 found this review helpful
If you're going to Africa and want to travel light, this is a great companion for the 300/4 IS lens. As others have noted, the 2X converter reduces contrast and sharpness so much that you are better off cropping at home. The 300/4 plus 1.4X converter still enables good autofocus, a reasonably bright viewfinder, and pictures with good punch and sharpness. The 420mm reach is about right for large animals with a full-frame camera and almost long enough for bird photography with the Canon Digital Rebel.
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