21/03/2026 9:40 pm
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RF Mount Camera & Lens Forum
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I just pulled the trigger on the R5 Mark II and my bank account is honestly crying right now. I am heading to Japan in like three weeks for a big trip and I'm stressing out over what lens to actually bring because I can't afford a whole bag of glass anymore after paying for the body. I spent hours looking at reviews and everyone keeps saying the RF 24-105mm f/4L is the gold standard for travel but then I see people swearing by the 24-240mm for the extra reach when you're just walking around.
My issue is that I'm worried the 24-240 is gonna look like trash on a 45 megapixel sensor since it's not an L series lens and what's even the point of having a high res camera if the glass is soft?? But then the f/4 might be too short for street stuff in Kyoto or whatever and I really dont want to be swapping lenses constantly in the rain. I have about $1300 left in my gear budget for this year so I need to make it count. Is the quality difference between the f4 L and the superzoom actually noticeable on the R5II or am I just overthinking this whole thing?
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21/03/2026 10:05 pm
> Is the quality difference between the f4 L and the superzoom actually noticeable on the R5II or am I just overthinking this whole thing? Late to the party here but I went through this exact same panic before my trip to Switzerland last summer. I ended up playing it safe and grabbed the Canon RF 24-105mm f/4L IS USM and I've been super satisfied with that choice. While the extra reach on the Canon RF 24-240mm f/4-6.3 IS USM sounds tempting, the weather sealing on the L lens saved my skin when it started pouring in the mountains. Japan is famously rainy, so having that peace of mind is huge. Technically, you'll notice softer edges on the 24-240mm when cropping those 45MP files. The f/4 stays sharp across the frame and makes post-processing way easier. You arent overthinking it... that sensor is brutal on budget glass. Quick tip: Stick to the f/4L for the weather sealing. Use the internal lens peripheral illumination correction to fix vignetting instantly.
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21/03/2026 10:25 pm
I agree with the resolution concerns. Putting budget glass on an R5 Mark II is risky imo. You should be careful with the 24-240mm because its heavy software corrections might really disappoint you on such a high-end sensor.
- Canon RF 24-105mm f/4L IS USM: Superior weather sealing and consistent sharpness.
- Canon RF 24-240mm f/4-6.3 IS USM: Great range but loses detail at the edges. I would suggest hunting for a used L copy to stay under budget. You wont regret the extra weather protection in Japan.
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21/03/2026 9:41 pm
You definitely want the Canon RF 24-105mm f/4L IS USM to match that 45MP resolution! L-series optics provide the micro-contrast needed so you dont lose detail at high pixel density. Go for it. Quick tip: engage the 1.6x crop mode for 168mm equivalent reach; the remaining 17MP is plenty for amazing prints! Constant f/4 apertures are fantastic for maintaining exposure settings while youre shooting street scenes.
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29/03/2026 1:41 am
Re: "I agree with the resolution concerns. Putting budget..."
- Yeah Rusty is spot on. In my experience, once you get used to that L-series build quality and weather sealing, its really hard to go back to anything else. Especially for a trip like Japan where you might be caught in the drizzle in Kyoto or dealing with some humidity. I've tried many setups over the years, and reliability is usually what bites you if you go for consumer glass on a body as high-end as the Canon EOS R5 Mark II. Your bank account might be crying now, but your future self might be crying more if a lens fogs up mid-trip! Honestly though, are you planning on doing a lot of night street photography or hitting the izakayas in the evening? Also, what are you actually doing with the photos—making massive prints or just sharing them online? Knowing that might help figure out if you'll actually notice the loss of detail on that 45MP sensor.
