EF & RF Lenses
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EF 100-400mm f/4.5-5.6L is II USM

Hi All,  I have a EF 100-400mm f/4.5-5.6L is II USM on a 70D.  Today I noticed after it finished auto focusing I heard a small click.  I have not heard this before.  I have had this lens for a few months.  I believe it only happens when I have the im...

Best Lens for Landscape

I shoot a Canon 5D Mark III with a 28-300 attacihed almost exclusively. It was great for WWII vintage airplanes and some waterbirds.  I have to replace this long lens (dropped it - destroyed it). I have a long lens but do not have a medium range lens...

Birdy by Apprentice
  • 8 replies

Resolved! tulip lens cuts off corners

i have a t6i and i had gotten an altera tulip lense hood.  For some reason when i use the hood, it rounds out the corners of the picture when zoomed fully out.  I have the bigger petals on the top and bottom and the smaller ones on the sides.  It loo...

Xain by Contributor
  • 21 replies

Dirty lens experiment

How progressively worse dirt and damage affects image quality:http://kurtmunger.com/dirty_lens_articleid35.html 

Resolved! Focus problem when using follow focus

Hi !I'm a beginner in shooting video and i ve just purchased a follow focus (Fotga DP500III) witch i use with my Canon EOS 70D & EF-S 18-135mm IS STM lens. I've set it up on my rig, i've set up the gear belt on the focus ring of my lens, for now all ...

alexweb by Apprentice
  • 7 replies

Canon T50 body with Orion lens

Hi everyone, I am complete rookie regarding cameras and lenses altogether. I stumbled across this camera which I thought is sexy looking and I bought it without thinking. Now that I have it, I am not quite sure if the lens is compatible with the body...

muula92 by Apprentice
  • 7 replies

Clean Lens Case LP1222 properly

Hi there,  The lens case that shipped with my EF16-35 f/2.8L III USM got a little dirty. It's the LP1222. Can I throw it in the washing machine without risking any damage?  -robotron

robotron by Apprentice
  • 8 replies

Power Diaphragm Unit EF100/2.8

Hi guys, After having issues with the aperture of the above lens I did some research to find out that this is a well known problem and I have changed the Power Diaphragm at the Canon shop. Now I'm wondering if this is a problem that is bound to happe...

18-55 AF working fine but zoom rig is Stiff

Hello all,  Greetings!  I have a Canon 1300D with 18-55 lens, (warranty expired) Month back, Lens has accidentally fallen on the ground which caused a crack on the body and AutoFocus was not working. I took it to repair shop and replaced its body wit...

Broken Focus - 50mm f/1.4

Hi,I bought a Canon 50mm lens f/1.4 USM and it got hit a few days after. As soon as that happened, it started making some noise when I tried to AF, without focusing at all, and in MF mode I can move the ring, but it wont make any change. Here I have ...

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