EF & RF Lenses
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What zoom lens should I get?

I have a Canon Rebel T5i. I have two lenses: EFS 55-250mm f/4-5.6 IS II Lens and a EFS 18-55mm. When I take photos, it's very grainy. I want to get a new lens that's very good and sharp. I want one lense where I can zoom I pretty good and I can zoom ...

Canon 70-200m F2.8LUSM (MK1) autofocus not working

I recently purchased a 70-200mm F2.8L USM lens and when I hold the shutter button half way, the lens is just focusing back and forth, and not finding anything to focus on. If it does focus on an image,80% of the time the image is out of focus. I’ve t...

Cj7509 by Contributor
  • 5 replies

Canon 70-200m F2.8 USM autofocus not working

I have an old (20 years old) 70-200mm F2.8 USM EF lens. I just bought a Canon 6D body, and the lens wont auto focus. When I hold the shoot button half way, the lens is just focusing back and forth, and not finding anything to focus on. My other old E...

iyamdman by Apprentice
  • 8 replies

Unexpected Manual Focus Restrictions with Select Lenses

I recently purchased an EOS RP with an RF24-105 f4-7.1 IS STM lens for my daughter to use while out on photography shoots with me. After working with the combination for a short while, I noticed that the lens differs from the L-series lenses that I u...

JGTank by Apprentice
  • 6 replies

EF 100-400mm f/4.5-5.6L IS USM tightening repair

Canon service says they no longer support the older model 100-400 IS lens. My locking ring no longer locks. Has anyone had this repaired? where did you send it? Is it a repair that I could make, Where could I find parts, and instructions? Any advice,...

tlnoel by Apprentice
  • 4 replies

Resolved! New M200 15-45mm lens won't fully retract into base

Just received the new M200 and put on the lens. It was fully retracted into the base and compact. Took it out for some shooting and now it stays extended and rotating the zoom between 15 and 45 has the camera retract halfway at 30 and retracting outw...

slinky by Contributor
  • 4 replies

Resolved! EF to RF Migration - Does Canon Help Us?

So I made that migration from my 6D to an R5 (and EFS Adapter for all my pretty glass).  So, the question - Are there any Canon Programs that help us switch the platforms?  I mean - if we have EF Glass in MINT condition and want to switch it out for ...

DrBohner by Apprentice
  • 10 replies

EOS 90D Zoom Lens Recommendation

Hi all! I currently use a Canon 90D and mainly use my Canon 50mm and Sigma 18-35mm interchangeably. I find that the crop factor my 50mm gets too close for when I do self portraits/videography and the Sigma 18-35mm doesnt zoom in enough. What would be...

mazar23 by Apprentice
  • 4 replies

Fine tuning a 70-200 f2.8L IS II USM lens

All, I am trying to dial in my 70-200 f2.8L IS II USM lens that I bought. I am not sure I am doing the right steps to get it razor sharp and may have some high expectations of lens/glass. Here is my current workflow and details. Mark 5D III body.I pu...

hombrevg by Apprentice
  • 10 replies

Resolved! Canon RF 24-105mm f/4 L IS USM work with R10?

hello, I bought a new R10 on sale and ordered Canon RF 24-105mm f/4 L IS USM after some research... I realized that my test camera was Camera R so I wonder if Canon RF 24-105mm f/4 L IS USM can fit into R10 until I can upgrade to a full-frame camera ...

Resolved! 18-135 USM Focus Ring Not Working

Hey guys, I've had this lens since August and it's been pretty decent. I went out to shoot the stars last night and when I got everything setup, I switched to manual focus to get the stars in focus. I began to turn the focus ring and nothing happened...

EF 24-70 2.8L II USM Zoom Issue… Worth Repairing???

Greetings everyone!My 24-70 2.8L II USM lens no longer zooms. The zoom ring only moves from 35-70 mm and the lens itself is internally stuck at 50 mm (I can only shoot at 50 mm with this lens). The focus ring appears to be fine.Canon’s cost to repair...

SJ7 by Contributor
  • 9 replies
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