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by Aditya

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0
votes
2answers
138 views

Can I use an Canon 2x Extender on my EF-S 18-135mm lens?

I want to get into taking more bird images, and am on a very limited budget. I am wondering if I can use the Canon 2x Extender on my Rebel T4i camera's EF-S 18-135 kit lens. If so what sort of price ...
9
votes
2answers
466 views

When using an Extender, does it actually change the Aperture of the lens?

I just bought a Canon 2X Extender and I always believed that It would only result in 2 Stops loss of light and not change the aperture. When I tested this extender on a Canon 135mm F/2 lens, the ...
4
votes
1answer
549 views

Do you suggest using an extender/tele converter with a Macro lens such as Canon 100mm f2.8 macro lens?

Do you suggest using a teleconverter with a dedicated macro lens? I have tried out using a Kenko TC with canon macro lens - however I am not 100% satisfied with the "extra" magnification that I got on ...
7
votes
2answers
239 views

Why can only certain Canon lenses be fitted with an extender?

Is there a reason only certain lenses can be fitted with an extender? I'd really love to be able to fit the extender to some of my cheaper lenses.
8
votes
2answers
304 views

Are there any downsides in using 2x extenders?

What are the negatives with using teleconverters?