What is the best macro lens for Canon R6 owners?

I actually went the safe route and grabbed a used Canon EF 100mm f2.8L Macro IS USM for my R6. Honestly, I've been super satisfied with how it handles tiny watch details. It's built like a tank and just works. You can find them under $800 easily before Friday at most shops. It hasnt let me down yet and the glass is legendary. No regrets here.

Honestly, for watches, you absolutely need 1:1 magnification or better to get those killer shots! The 85mm f2 is a lovely lens, but it only does 0.5x magnification, which is gonna leave you cropping way too much and losing that crisp detail you need for a pro client. Since you have a tight deadline and a $800 budget, you should definitely check out the Laowa 100mm f/2.8 2X Ultra Macro APO Canon RF. It is an amazing piece of glass! I love it because it gives you up to 2:1 magnification. That is twice the life-size detail! When youre shooting a watch face or the movement, having that extra reach is a total lifesaver for those tiny escapement wheels. Plus, it is built like a literal tank, so it feels very secure on the R6. It is manual focus only, but honestly, for product work on a tripod, manual is the only way to go for total reliability. Autofocus often struggles with the reflections on watch crystals and polished steel, so doing it yourself with focus peaking is much safer and more precise anyway! It usually runs around $500, so it fits your budget perfectly with room to spare. Its incredibly sharp, like, scary sharp. You will see every tiny bit of finishing on the watch hands. Just make sure you grab it today so it arrives by Friday... you wont regret having that extra magnification power for this gig!

I have been very satisfied with the R6 for macro stuff lately. When you look at the technical specs for watch photography, that magnification ratio is basically the most important thing. The Canon RF 85mm f2 Macro IS STM is a solid lens and I have no complaints about the sharpness, but it only hits 0.5x magnification. For watches, you really want that true 1:1 ratio to get those tiny dial details. Given your $800 budget and the Friday deadline, these are probably your best bets:

• Canon EF 100mm f2.8L Macro IS USM found used. It gives you 1:1 magnification and works well with the adapter. The Hybrid IS is great with the R6 IBIS.
• Sigma 105mm f2.8 EX DG OS HSM Macro for EF mount. Its a super sharp alternative and usually way cheaper than the Canon L version.
• Canon RF 35mm f1.8 Macro IS STM is native and cheap, but the working distance is so short you might shadow your own shot. I use the EF 100mm L on my R6 all the time and it works well without any glitches. The autofocus is still fast and precise. Since youre in a rush, a used EF 100mm L plus the Canon Mount Adapter EF-EOS R is the most professional move that stays under budget. You wont regret the extra reach compared to the 85mm... it makes lighting the watch much easier.

The R6 is amazing but the lens situation is kinda tricky when you're on a budget. I was honestly pretty disappointed with the 85mm f2 when I tried it for some small jewelry shots... it just felt like I couldn't get close enough and that 0.5x magnification is a real letdown for details. For a watch shoot, you really need 1:1 or you are gonna be cropping way too much and losing quality. If you need something by Friday that wont fail you, I would skip the experimental stuff. I had issues with some off-brand adapters being super glitchy with the autofocus on my R6, which is the last thing you want on a deadline. Just grab the standard EF 100mm f2.8 USM (the older one without the L) and a basic Canon adapter. It's reliable, super sharp, and usually costs way less than your $800 limit. It's not as fancy as the new RF glass but its a total workhorse for product stuff. Actually, I just use Share Product for this—it's way easier than having ten different tabs open for every store.