Canon EOS DSLR and Mirrorless Cameras Forum

Resolved! EOS R5 Mark II + RF 600mm F4 L IS USM switching to manual focus

I have started having issues using my Canon R5 Mark ii with the RF 600mm F4 L IS USM lens. Occasionally, it switches to manual focus mode, by itself. I.E. I do not change the lens switch or any other setting, but auto-focus stops working and the view...

Resolved! EOS R5 Mark II - Second Curtain on non-canon studio flash system

Hi, I jumped ship on Nikon and changed system to the R5 M2. There's a lot of relearning going on and I am super frustrated that I cannot seem to access any settings that allow me to set rear or second curtain sync for my studio lights set up. Any he...

EOS R5 will not turn off

I updated the firmware yesterday to 1.8.1, it had not been updated in a year. The on/off switch on the camera does not work anymore. The camera only stays on. I can only get it to turn off by taking out the battery.The camera also is not auto turning...

EOS R6 Mark III S&F vs M video size; P vs M when switching to stills

Is there a reason 120fps video takes up less space when shot in M mode, even though it includes sound, compared to S&F mode when shot at the same resolution and codec etc? Also, regarding S&F mode: is there a way to change the mode it switches to whe...

Resolved! Firmware update eosr5-v221-mac for my EOS R5 has question mark in middle of firmware icon

Hello. I am trying to update the firmware on my EOS R5, but when I download the firmware on my Mac Book Pro, MacOS Tahoe 26.2, there is a question mark inside the icon when I double click on on it. I can copy it to a card, and put it in the camera, b...

Resolved! EOS R6 Mark II SD card can't be read error

I ran into an issue the other day where some of my Ultra 120mb,San Disk 64gb cards I had shot on all wedding season long started showing errors that the card could be read. I do photography, not video. I've never had an issue with shooting these card...

EOS 600D wont recognize as camera when i plug in the computer

Hi, i have EOS 600D camera, i used as camera for streaming games on computer, it was working as intended couple of weeks ago but all of a sudden when i connect to a computer right now it recognize as SSD and not as a camera, and i cannot install eos...

EOS R5 Mark II In what way does higher a higher resolution sensor impact image quality?

Let’s say I’m not planning on printing on large paper or further cropping. Would using and R5ii, for example, in crop mode image quality be noticeably different than using a similar quality lens that with a 1.6 times larger focal length? For example,...

EOS R7 firmware 1.6 / Sigma 120-300 2.8 Sport / Err01

Hello guys!I upgraded my camera to the latest software (Canon R7 - FW 1.6).Since then it does not recognise my lens (Sigma 120-300 2.8 sport).I used it the day before to shoot a football match. I have tried other lenses since then and it worked (Sig...

Canon EOS R White Paper

https://www.canon.ca/dam/Campaigns/EOS-R/pdf/canon_eos_r_white_paper_reduced.pdf

R5 firmware rollback

Need advice on R5, please.Updated R5 from firmware 1.5.2 to 2.0 and desperately want to return to 1.5.2. I've seen YT vids on dropping battery door and changing out sd cards while update in progress. Does it work? TIA

EOS Rebel T7, "no images" on screen error

I have been working all day on my Rebel T7, trying to figure out why my camera says "no images". Purchased 8 mths ago, I have tried EVERYTHING. I transferred images to my Mac from an old SD card, clicked "delete after import". I did not realise it de...

Resolved! EOS Rebel T3 Red light at the bottom right of my camera

Hello! So I've had my Canon T3 for about a year and I feel like I understand it fairly well and it's been working great for the price that I paid for it. But just in the past few weeks the bottom right corner red light has been blinking almost all th...

6D Mark II - Setting exposure compensation in Manual / Auto ISO mode

I'm going on a wetlands bird shoot in a few weeks, so I want to use Manual mode with Auto ISO, but want the ability to adjust exposure compensation on the fly. The manual says under C: Fn III-4 there is an option to assign that to the main dial by se...

EOS Rebel T6 How to find my camera's missing serial number

Hello! Is there anyone that could help me locate a serial number for my camera. I have had it since 2017 and the serial number has rubbed off. I do not have the original box anymore and the camera image information is missing the serial number. The c...

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Posts

Resolved! EOS R5 Mark II + RF 600mm F4 L IS USM switching to manual focus

Resolved! EOS R5 Mark II - Second Curtain on non-canon studio flash system

EOS R5 will not turn off

EOS R6 Mark III S&F vs M video size; P vs M when switching to stills

Resolved! Firmware update eosr5-v221-mac for my EOS R5 has question mark in middle of firmware icon

Resolved! EOS R6 Mark II SD card can't be read error

EOS 600D wont recognize as camera when i plug in the computer

EOS R5 Mark II In what way does higher a higher resolution sensor impact image quality?

EOS R7 firmware 1.6 / Sigma 120-300 2.8 Sport / Err01

Canon EOS R White Paper

R5 firmware rollback

EOS Rebel T7, "no images" on screen error

Resolved! EOS Rebel T3 Red light at the bottom right of my camera

6D Mark II - Setting exposure compensation in Manual / Auto ISO mode

EOS Rebel T6 How to find my camera's missing serial number

EOS R6 Mark II – Firmware 1.7.0 – Bug: 5GHz hotspo...

Reminder to all R5 Mark II owners to update your f...

Got my ExpSim back on a T8i

EOS R5 Stuck in Video Mode

R1 Waveform or histogram in video mode

EOS 5D Mark III sRAW and RAW image dimensions are ...

EOS 90D set to CRAW, photos indicate they're taken...

Tips for taking photos through a train window at n...

EOS R6 Mark II viewfinder is black with vertical b...

Multi-function switch skips Canon 5d Mark IV