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Canon 300 2.8 stops focusing

I have a used Canon 300 2.8 non is that I bought used. Tack sharp, great lens. But if you change from horizontal to vertical, it shuts off. in the repair shop now, they can't figure it out. any thoughts?

smrooker by Apprentice
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  • 3 replies
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Should I upgrade lenses?

Hi, In lenses, I have the 24-105mm f/4L IS USM and paid about $1,000.00 for it and I have the 70-200mm f/2.8L IS II USM. So my question is.... I am in the process of building up my arsenal to get into wedding and portrait photography. So I went to a ...

hELP!,I have Canon HJ11x4.7 HD lens with servo problem

I have a Canon Hj11X3.7 HD Eng lens on my Sony F900. I made the mistake today of removing the servo soom handle from the lens so I could clean it .. When i reasmbled the servo now sticks near the start of the zoom motion .. then works again about 1/4...

markmoon by Apprentice
  • 4111 Views
  • 1 replies
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Canon 28-135 mm aperture issue

Hi everybody, I'm new here and I'm a proud owner of a Canon 7D . I have a 28-135mm and I have a huge Issue with it. Last week my lenses suddenly stop working . The aperture (on my little screen of my 7D) keep flashing between 00 till a set aperture. ...

70-300 help

Hello I have a EF 70-300 IS and I am shooting high school tennis. I need it to reach out a little closer. What do I need?  an extension, an converter, or just up grade to the next lens. Thanks

KingDome by Contributor
  • 4664 Views
  • 8 replies
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50mm 1.2 Aperture blade issue

Hello fellow Canon addicts, My beloved 50mm 1.2 is giving me grief mid shoot.It stops down a few stops and gets terribly dark until I turn the power off then back on. This lens has seen quite a bit of usage, but I'm hoping it's not the end for this g...

Resolved! Interpreting specified focal lengths

 Are the focal lengths specified for the EFS lenses true focal lengths, or have they been adjusted to be 35mm equivalent?  For example, if an EF lens with a specified focal length range of 18mm-55mm is mounted on an EOS 70D which has a 22.5 x 15mm se...

ehz by Apprentice
  • 4722 Views
  • 5 replies
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Lenses

I have a EOS 7D with a 18-200 EFS lens, I would like to enhance my photographic capabilities purchasing another lens for close and long range. What lenses could I add to my equipment....off course within reasonable expense.Thanks

Canon Service Center in Honolulu!

Last week my 24-105L wouldn't work (open or close down) and an error code came out.  I took it down to the service center in honolulu  and they said it needed an overhaul, and CLA.  I got a call today that it has arrived back in honolulu, and was tes...

...yet another lens question!

Hi y'all, my question is, I'm saving for a L series lens but, not sure what exactly I should get.  I take photos of my kids or places that my family and I go to, sometimes events.  Though, I've been requested to take pics of small weddings, sweet 16'...

Ultra-wide angle zoom question

Back in July I purchased a Canon 6d and the EF 17-40L lens.   My first shooting attempt with this equipment was a sunrise panorama of a beach resort skyline near where I live.  I used a tripod and took 6 frames with the suggested 60% image overlap, w...

Sport lens

I have a canon t2i. I do a lot of indoor sports shots (pools). What do you suggest for a lens?

anitaw2 by Contributor
  • 5429 Views
  • 9 replies
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70-200 non IS question

Hey all! This weekend I am assisting shooting a wedding my first time! The wedding is outdoors and since I'm only a year experienced I don't have the luxury of owning high quality lenses, so I am off to rent!Unfortunately the lens rental place only h...

Ace817 by Apprentice
  • 4619 Views
  • 6 replies
  • 0 likes
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