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Teleconverter for 600D with Sigma 70-200mm f2.8 EX DG OS HSM?

I've been reading that 2x teleconverters aren't that great. That they can cause a lot of image quality loss as well as slowing down or even stopping auto focus from working altogether. What do I need to know about teleconverters to make an educated p...

CgRay by Contributor
  • 6019 Views
  • 3 replies
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wide angle lens

hi i am looking at buying a new lens for my 60d. Just wondering what people think of the ef-s 10-22mm usm. and if you love can you post a few photos thanks

pa2pla by Apprentice
  • 8915 Views
  • 12 replies
  • 0 likes

lens for 5D

I have a 5D Mark 2....What is the best affordable lens to use to photograph large groups (100-150) of students inside gyms or auditoriums?

Joan by Apprentice
  • 4664 Views
  • 5 replies
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Resolved! lenses

Someone mentioned that the 70-200 F2.8 non IS was one of the earlier ones of this bunch.  As material and technology improve, do you think canon continues to make these current editions now in production  the old way, and not incorporate the new tech...

Lens Scratch, Disaster or No Big Deal?

So I finally got an L lens and then put off getting a UV filter.  Dumb.  Anyway I got a scratch near to the center to of the front element.  Is this a big deal, or something that just happens and I should stop obsessing over it?  Is there any way to ...

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Resolved! 70-200 F2.8 non IS zoom

aloha!  Isn't it true that as long as I stay a little above 1/focal length on the shutter speed I really don't need the IS feature anyway?  Also, even at the nhra races we are panning the cars at the starting line during burnouts and also down the tr...

Resolved! What lens to buy next?

I've had my DSLR for about a year and I'm hooked. I take it everywhere with me. I'm looking to replace the kit lenses I have with something that's going to keep me happy for a long time. I've been eyeing off an EF 70-300mm f4.5-5.6 L IS USM. Or possi...

CgRay by Contributor
  • 12558 Views
  • 19 replies
  • 0 likes

Wedding Lenses

What type of lens is best for close range shots at a wedding?  I use a 70-200mm f/2.8 USM IS II for long range shots.  My kit lens makes for "undesirable" quality shots.  

arnold7d by Apprentice
  • 11084 Views
  • 11 replies
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50 1.2L back-focuses with lateral focus points

My 50mm f1.2l consistently backfocuses when I use lateral and corner focus points, focuses correctly when I use near center focus points.I can adjust the problem through microadjustment (more or less 4 points), but in that case the lens front focuses...

fausto by Apprentice
  • 5911 Views
  • 2 replies
  • 0 likes

Resolved! Novice question

Hello everyone - I am new to Canon world and I learn as much as possible every day. I have a Canon Rebel EOS XTI with the standard 18-55 mm lens.I would like to move on to the next step and get a better lens(s) - one for close up, portaits (higher ap...

avasile by Contributor
  • 11214 Views
  • 12 replies
  • 0 likes
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