EF & RF Lenses
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50mm f1.4 or 85mm f1.8 for portrait photography?

Title pretty much explains it! Recently got back into photography and bought a used 6D at a fantastic price. It came with a 40mm f2.8 pancake lens which I’ve found to be okay for landscape/street photography and some close up event shots of groups.No...

jazmin8 by Apprentice
  • 2158 Views
  • 4 replies
  • 0 likes

Resolved! Canon EF 28-135 IS USM 3.5-5.6 lens focusing issue

I have a Canon EF 28-135 IS USM lens for my Canon 7D Mark II.  When I turn on the camera, I can usually take one or two pictures.  This is in any mode P, Tv or Av etc.  Then the auto focus is trying to lock on the object.  It's set on single point fo...

BickMac by Apprentice
  • 2455 Views
  • 4 replies
  • 0 likes

EF100-400mm L IS II USM suddenly stopped focussing

I replaced my EF100-400mm first series lens with 2nd series a couple of years ago. I noticed over the last few weeks that focussing had become problematic with the lens failing to focus on the occasional subject (mostly birds among thickets of tangle...

MikeMazet by Contributor
  • 3268 Views
  • 22 replies
  • 0 likes

Resolved! Sigma lens doesn't fit on EOS 4000D

Hiya, I have a canon eos 4000d and just bought a sigma macro lens for canon, mini-wide 2 1:2.8 f= 28mm, and it doesn't fit? I know there are some adapters out there but I'm unsure if they would work or which one to buy if there is one. Any suggestion...

Skymans by Apprentice
  • 2869 Views
  • 6 replies
  • 0 likes

Resolved! RF-S 18-150mm F3.5-6.3 IS STM Firmware will not update

I receive the message "Memory card containing firmware is required to update".  I have formatted the card, downloaded the software (ifu file), copied the file to the card and see if on the card.  I place the card in the card slot, set the camera opti...

vjuzwiak by Apprentice
  • 2425 Views
  • 5 replies
  • 0 likes

Canon 100-400 lens shows up as a Tamron

I posted some photos I took with my Canon 100-400 lens my on Smugmug site. I accessed the details of the image later and it's recorded as taken with a Tamron 100-400 lens.  The lens is clearly marked Canon so why the descrepency? The camera model is ...

thirdherd by Contributor
  • 4501 Views
  • 15 replies
  • 0 likes

Resolved! Canon EFS 18-55mm lens Fisheye Distortion

I have an Canon EFS 18-55mm lens that I am using as my workaday lens, but it has a really, really bad fisheye distortion. Is there an equivalent lens without this aberration?

Demure by Apprentice
  • 1752 Views
  • 4 replies
  • 0 likes

EF-S 18-55mm Lens Generates "Err 99" Message

I'm using a Canon EF-S 18-55mm Ultrasonic lens on a Canon EOS Digital Rebel XT body.  The lens works fine from around 30mm to 55mm.  I try to take a picture from around 26mm to 18mm the camera does not take a picture and I get an Err 99 message with ...

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