03/06/2026 3:30 am
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I finally pulled the trigger on the R5 Mark II after shooting on my old 5D Mark IV forever. I thought the transition would be easier but honestly that 45 megapixel sensor is so sharp it is kind of unforgiving with my older glass and even some of the non-L RF lenses I tried. I am heading out to the PNW for a month long trip in October and I really need one lens that can handle the rainy landscapes but also keep up with my kids running around.
I have been looking at the 24-105 f4 because of the range but I am worried it is not fast enough for those low light forest shots or if I should just bite the bullet on the 24-70 2.8 despite the weight. My budget is around 2500 bucks so I have some room but I do not want to carry a whole bag of primes while hiking. I noticed some weird fringing on a rental 24-240 that really bugged me so I think I want something more premium.
What are you guys using as your primary walk-around for this specific body? Like if you could only bring one lens to get the most out of that crazy autofocus and the high resolution what would it be?
3 Answers
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03/06/2026 3:31 am
I went through this same struggle when I upgraded. That R5 II sensor is just brutal on glass. Last year, I took the Canon RF 24-105mm f/4 L IS USM on a trip through the Olympic Peninsula. It was great for the weight, and that 105mm reach is nice for landscapes... but honestly, once I got under the heavy tree canopy, f/4 started feeling slow. My ISO was climbing higher than I liked just to keep a fast shutter for the kids. The Canon RF 24-70mm f/2.8 L IS USM is more expensive but worth it for those dark forest vibes.
- Canon RF 24-105mm f/4 L IS USM: Better range and lighter, but youre gonna struggle with noise in the shade.
- Canon RF 24-70mm f/2.8 L IS USM: Much better low light and cleaner bokeh, tho its noticeably heavier after a long hike. Since you got the budget for it, the 2.8 is the practical choice to avoid buying more primes later.
10
03/06/2026 4:05 am
Over the years, I've tried many zooms, but that R5 II sensor really demands f/2.8 glass. I grabbed a refurbished Canon RF 24-70mm f/2.8 L IS USM from the Canon site and saved $400. It handled the dark woods of Oregon like a champ without a tripod.
- check the Canon Loyalty Program
- search MPB for used deals Dont pay full retail. That extra cash is better spent on the actual trip.
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03/06/2026 4:35 am
In my experience, that R5 II sensor really changes the game and I am in the exact same boat as you. I have been dealing with this dilemma for two months now and still have no idea what to do.
- the f/2.8 cost is brutal
- carrying a brick while hiking sounds terrible It is honestly so frustrating that there is no easy choice here.
