> i saw one with a control ring on it too but i dont even know what that does Id actually argue for the ring. Stumbled on this today and think the Viltrox EF-R2 Mount Adapter is a decent option within your budget. It lets you change ISO or aperture right on the lens. Since the R10 is smaller, having that extra dial makes the workflow much smoother. Its a solid metal build too. Works fine with those older motors, basically gives you more for your money.

Congrats on the R10! Its such an amazing camera! Honestly, you dont need the pricey Canon one. I suggest the Meike MK-EFTR-A EF to RF Adapter because its fantastic for the price.

• Full electronic communication for autofocus
• Solid metal construction (no wobbling!)
• Lightweight at roughly 110g I use this one with my old 90s lenses and the performance is flawless. Its a total steal for your garden shots!

Adding my two cents here since i've gone through a bunch of these over the years. Honestly, you're gonna love those EF lenses on your R10. About the autofocus... it actually works surprisingly well. Since the R10 uses mirrorless tech, it handles those older motors better than the old cameras did. Regarding the control ring thing, it is basically a custom dial you can map to change things like your ISO or aperture. It is nice to have but definitely not a dealbreaker if you're trying to save cash. For something that feels high-end without the price tag, the Viltrox EF-R2 Mount Adapter with Control Ring is a solid bet. Its built like a tank and fits the R10 perfectly. A few things to keep in mind:

• Most reputable third party adapters like Viltrox use metal mounts so they wont snap or wobble.
• Electronic communication is standard now, so your dog photos will stay in focus.
• Avoid the super cheap $20 ones on eBay that don't have pins inside, those are for manual lenses only and wont talk to your camera. In my experience, the Commlite CM-EF-EOS R Mount Adapter is another solid budget pick if you want to stay under $60. It's basic, lightweight, and just gets the job done. Just make sure whatever you buy says Auto Focus in the description so the camera can actually move the lens.

Love the energy for the R10! Its such an amazing camera for starting out. I have to politely disagree with the third-party suggestions tho. If reliability is your main goal? Dont skip the Canon Mount Adapter EF-EOS R. Quick tip for your budget: check used listings. You can regularly find the official one for $70 or $80 online. Its built like a tank. Tighter tolerances. I have seen cheaper brands develop a tiny bit of play over time which can mess with your focus accuracy... not ideal when you are shooting your dog or garden! The official one is just the most solid bridge for that 90s glass. It handles autofocus communication flawlessly. Since you were worried about things falling off, that peace of mind is worth the hunt for a deal. Its rock solid.

Regarding what #5 said about "." — well, I guess the floor is open! I agree with the others that you dont need to overspend, but technical precision is really what you should look for to avoid light leaks or alignment issues. If you want a robust build without the Canon price tag, check out the Commlite CM-EF-EOS R Mount Adapter. I have looked at the internals of several clones and this one is quite decent for the price.

• Metal construction: It uses a machined aluminum alloy that feels very solid.
• Gold-plated pins: These are essential for maintaining the electrical signal for your autofocus.
• Removable foot: It comes with a tripod mount which helps if your grandpas old lenses are heavy. From a DIY perspective, if you ever feel a tiny bit of wobble, you can actually tension the internal leaf springs yourself with a small screwdriver. Its a much better path than buying a $20 plastic one from ebay that might fail and ruin your shots.

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Honestly after trying a dozen of these over the years i have realized you dont always need the name brand stuff. If youre on a budget just grab the JJC EF-EOS R Mount Adapter. Its basically a clone of the Canon one for way less money and it hasnt failed me yet on my R7. Most of these third party ones come from the same factories anyway so dont sweat it too much as long as it has the metal mount. Speaking of vintage glass tho your grandpas lenses are gonna look great. It reminds me of back in the day when I used to hunt through thrift stores for old Takumars. I once found a pristine 50mm for like five bucks and spent the whole weekend trying to adapt it to an old DSLR with basically duct tape and a prayer. Those were the days man... now everything is so high tech and expensive. You really start to appreciate the quirks of the old glass once you see how clinical and perfect modern lenses are. Sometimes you want that weird flare or a bit of softness to give a photo some actual soul. But yeah you will be fine with the JJC one. Just make sure the pins stay clean.