Canon has released firmware version 1.0.8 for the Canon RF 100-300mm f/2.8L IS USM. This update imoproves tracking performance for both photography and videography applications.
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Canon RF 100-300mm F2.8 L IS USM Firmware Version 1.0.8 Released
- Thread starter Canon Rumors
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I would like to point out that I was shooting video with the R1 in CLOG2 a few days ago and had major focusing issues with my RF 24-105 f/2.8L IS USM Z. After seeing this, I looked for a firmware update and it appears that there is ALSO a firmware update available for that lens as well as the RF 70-200 f/2.8L IS USM Z - specifically to address the R1 and R5 Mark II camera models. My next video project shoot is on Friday...so I'll see if that fixes it.
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Lol. That was a typo on someone's part, the Canon USA page now says, "If the lens' firmware is already Version 1.0.8, it is not necessary to update the firmware."
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Shot two interviews today with the 24-105 and 70-200 on the R1. I specifically had focus issues right around 35mm with the aforementioned settings consistently. I didn't have any problems at all today with the new lens firmware. I never thought of testing the lens with another camera body because I thought it was an issue with the R1...serves me right. Glad Canon was on top of this.
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