EOS DSLR & Mirrorless Cameras
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Pairing an EOS R with a microscope

Hello everyone!My name is Kate, and I'm a microbiologist from Boston.I have a question regarding the possibility of capturing extended video footage of microorganisms under a microscope using a Canon camera. Currently, I own a Canon EOS R camera and ...

Can I use other lenses on canon EOS 750D?

Hi thereI have SOME lenses which I would like to use on my Canon EOS 750D but I am not sure if there is an adapter for these lenses: REVUENON 35MM AND 135 MM AND ROKINON 200MM Can you please recommend me if I can buy an adapter ?thanks in advance for...

Composition Grids for EOS 5D Mark IV

I would like to know if it is possible to upload additional composition grids, in live view, to my 5D Mark IV.  I would like to have access to The Golden Ratio, Phi Grid, Golden Spiral, Golden Triangle, Diagonals, and Dynamic Symmetry.

jrstoll by Apprentice
  • 6 replies

my t4i will not read any SD cards

When I try to take a picture, it says: "Card cannot be accessed.  Reinsert/change card or format card with camera." So, I try to format the cards, and it says "Cannot format.  Change card." I have used both these cards before and never had a problem,...

EOS 1v aperture won’t change

Recently I had an issue with autofocus while using my Canon 1v. I cleaned the contacts on lens and camera and it began working again. Same lens/camera setup - now autofocus is working but aperture is stuck at f/2.8. Put lens on other camera and every...

ABC_ by Contributor
  • 5 replies

Updating T3i - recommendations

I have a 10-year-old Canon Rebel T3i with a 100mm macro lens and a couple of Canon Speedlite 270EX II. However, I'm interested in upgrading to a newer version. I believe I want to switch to a mirrorless and full-frame camera. Can you suggest any mode...

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