EF & RF Lenses
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EF Extender 2x III teleconverter

I am considering getting the Canon EF Extender 2x III to use with my Canon EF 100-400mm f/4.5-5.6 L IS USM lens.  I can't afford the Canon 800mm L lens, so I am thinking of the teleconverter.  In reading reviews I have seen some that say it is very s...

Which aperture setting takes sharper images. f/8 or f/11?

I have t2i (550D) and two lenses i.e. 18-55 mm and 55-250 mm. Any idea how to take sharper images of landscape by selecting a particular aperture setting? I read on a different forum that for sharper images f/8 or f/11 are the ideal settings. Any sug...

What's your first L lens?

So from when you got your first (D) SLR camera, when did you get your first L lense?What was it and what did you have to sacrifice to get it?

jaenagle by Contributor
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  • 47 replies
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help - 70-200mm tripod ring

I tried to take off the tripod ring and managed to unscrew it - but now I want it back on and it won't screw in!  I'm in a big hurry too for a photo shoot ...

crockny by Enthusiast
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Canon 17-55 EFS vs Canon 16-35 EF L II on a 7D

I'm looking for some feedback on which is the better lens choice.  I have ready a lot of reviews and forums.  The general consensus is that the 17-55 might be a better option, but many of those reviews are based on price. I have a unique scenario.  I...

Help choosing telephoto lenses

I had to choose between (CANON 70-200/2.8 L IS II with CANON 1.4X II extender) or an (EF 70-300mm f/4-5/6L IS USM) for wildlife photography, what would you recommend? Would the better image quality from the first lens be comprimised by using a teleco...

shifaant by Apprentice
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  • 4 replies
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AF problems

I attached a Canon 500mm f 4.0 IS II lens to a Canon 1.4 III extender and attached this combination to a Canon -1D X.Canon says this shouldn't be a problem. But there is a major autofocus problem. You need tp press the shutter again and again before ...

EFFS by Contributor
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  • 7 replies
  • 0 likes
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