Will this work with the Canon EF Extender 2x III ?
1719123
Hi. The issue to keep in mind is the distance from the outer most Canon extender lens surface to the Bower telescope recessed lens in all the available lens extenders (lens magnification multipliers). In this case I have to advise not a good idea as they will not match up. I do use an extender multiplier lens adapter made by Kenko, C-AF 2X Teleplus Pro 300. I have used it with all my Canon lenses and the Bower lens you are asking about. Remember, you will also need an adapter ring to match the Bower lens to the Canon camera or extender. When ordering the Bower lens you will need to pay attention to which adapter ring is being offered as they list it with different adapter rings for sale on Amazon.com. Additionally, when looking at other than Canon lens extenders (2x) be careful with the issue of lens depth as you match one lens with an extender. The Kenko 2x lens extender does allow room for Canon lenses to fit. Hope this is helpful. If you have any other questions just use the same system to write. Without saying, putting a 2X extender on a 600 to 1300 mm lens will make it very difficult to focus on an image unless you have a really good tripod...heavy duty and expensive. One with adjusting gears will make life a lot more fun. Good Luck!!!
1719124
I don't see why not, but I have not tryed. And I have no need to. Planet obserwing is better done with a astronomic telescoop.
1898465
I don't own that lense but can tel you that from my experience with another canon EF lense 70 - 200mm f/4l it works including AF.This dubler will not work with any EFS lense from Canon due to protruding internal dust ring which comes past the connector ring in all EFS Lenses. I own Sigma 18-250mm f/3.5-6.3 HSM lense which does connect to this doubler but doubler is missing profile for that lense so it can only be used in manual focus mode. Overall it is a very nice doubler especially for the price and size (canon doubler is almost twice the length of this one). Andy
1529201
No the extender works only in manual mode . I found out from Canon that the extender works in automatic mode only with an f2 auto lens. Canon does not reveal this until you get to a supervisor. Beware.
122416
The extender will not work on a 24-105, generally it only works on lenses that go past 135mm (with some exceptions see http://en.wikipedia.org/wiki/Canon_Extender_EF for a list of compatible lenses).If you put it on a lens with max aperture of F/4 it will change it to f/5.6.
2174449
http://shop.usa.canon.com/shop/en/catalog/lenses-flashes/extenders Go to the link above and click on "Compatability"
564663
Yes, it should. I use it with a Canon 7d, 24-105L lens, one canon 600ex flash on the camera and another canon 600ex flash on the bracket with an ezbox softbox without any problem.
2174451
http://shop.usa.canon.com/shop/en/catalog/lenses-flashes/extendersGo to the link above and click on "Compatability"
825418
Hi there! This teleconverter will fit in any EF Canon EOS lens and body but not in a EFS lens or body. Make sure your lens and body has the red dot mark. Hope this helps. Have a great day.
2023706
It will work fine with your teleconverter, but your max aperture will then be f/5.6....... with the 1.4 extender your max aperture will be f/4.0
1264742
Neither the Canon EF Extender 1.4x or 2x will work with that lens. They work only with L primes of 135mm and longer, and the 70-200mm and 100-400mm zooms. The Extenders will not mount the 24-70mm f/2.8L, are you could damage the lens by trying. There are extenders from other companies such as Sigma and Tamron that may work with the 24-70mm f/2.8L, but you may find the image quality disappointing.
131679
It will if you get the EF-M lens mount (Canon EF-M Lens Adapter Kit for Canon EF / EF-S Lenses 6098B002).
1619682
According to several magazines, it should work. You can read, for instance, the following article: http://en.wikipedia.org/wiki/Canon_EF-S_lens_mount
94253
I only know that it works with EF-S and EF lenses. I don't know if the others work with it too or not.Sorry.
2215157
I don't use the 5d Mark iii myself, but I see from its specs that it has the Canon EF lens mount. I think you can be confident that these extension tubes will fit and do the job.
677223
Short answer from me is no! I purchased the extender for my 70-200 f2.8 and it works perfectly. I tried it on my 100-400 4-5.6 lens just out of curiosity and the auto focus did not work. I did not play with it much on the 400. Perhaps others have made it work but not me. Hope this helps you...
1190289
it will work on anything with a Canon EF mount. I've used them on my t3i and my Blackmagic Cinema Camera
1392955
I've used this particular piece on all of my Canon EOS cameras. 1V, 20D, 30D, 1D IIn. A friend uses one on his 40D and his new 70D. Shop.canon.usa.com lists the 5D in the compatibility table (along with virtually every EOS camera ever produced, so I believe that it WILL fit the 5D III. I like this extender a lot! It keeps your cheek/nose off the back of the camera and helps to minimize grunge on the LCD Screen. You do have to be careful about snagging on the camera bag - but that's my only concern when it's on my cameras.