Tbh I spent way too long stressing over the L-series tax before I realized that for macro, your light source matters way more than the lens badge. I spent a whole season fighting shadows until I stopped relying on natural light and just grabbed a cheap ring flash to go with my Canon EF-S 60mm f/2.8 Macro USM. That lens is lowkey a secret weapon on the 90D because it is so compact and crazy sharp for botanical stuff. My biggest tip? Forget the IS debate and just get a cheap focusing rail. When you are doing 1:1 work, your hands are gonna shake regardless of the stabilization tech, and a rail is a total game changer for nailing focus stacking. Honestly, if you are strictly doing plants, you dont need massive working distance anyway, so the shorter focal length is perfectly fine. Save the extra cash for a decent light diffuser or a decent flash bracket, because once you start lighting your subjects properly, you will realize that the sharpness difference between these pro lenses is barely noticeable compared to the difference good lighting makes. Just my two cents after ruining way too many shots trying to shoot handheld in the shade...

@Reply #2 - good point! Honestly, if you want to save cash, look at the Tokina AT-X M100 AF PRO D 100mm f/2.8 Macro. Ngl, it is lowkey the best value out there for crop sensors.

• It is super sharp at f/5.6-f/8
• Build quality is solid
• Usually under $400 used Idk if it beats the L lens, but for botanical work, you are better off putting your savings into a good flash setup instead of expensive stabilization.

This comes up a lot. Honestly, just grab the Sigma 105mm f/2.8 EX DG OS HSM Macro. It is SHARP and the OS is legit useful for handheld work.

Building on the earlier suggestion, honestly, stop overthinking the L glass. If you really wanna get into botanical macro, you gotta remember that stabilization is cool but depth of field is the real enemy here. At 1:1 magnification, that IS barely keeps up anyway. Honestly, save the cash and look at the Tamron SP 90mm f/2.8 Di Macro 1:1 VC USD. It is legendary for a reason. I used the older version for years and the newer VC model is just as crisp. The bokeh is super creamy which is perfect for flowers, and it renders colors in a way that just feels more natural than the clinical look of some other glass. Plus, you get that extra bit of working distance compared to a 60mm lens, which is crucial so you dont cast a shadow on your subject. Forget the tripod vs. IS debate for a second. With macro, you need a ring light or a decent flash bracket. If you spend that $700 budget on a solid setup with a diffuser, your shots are gonna be way better than someone using expensive IS glass without proper lighting. The 90D has a great sensor, so dont bottleneck it with gear that costs too much for the gain you get. Just grab the Tamron, get a cheap flash, and thank me later. It is a workhorse, simple as that.

Commenting to find later

This comes up a lot. Honestly, the gear obsession on these forums drives me crazy. Everyone spends weeks agonizing over MTF charts and L-series tax when macro technique hasn't fundamentally changed in twenty years.

• Camera companies know they can charge an extra grand for a red ring and a basic hybrid IS unit, and people just pay it.
• Quality control across third-party manufacturers has gotten so inconsistent lately that you end up playing lottery with front-focus issues out of the box.
• Prices are just ridiculous across the board now, and half the features on modern macro lenses are marketing fluff for people who shoot brick walls instead of bugs.

Look, stop overthinking the stabilization. If you want results, you need a lens that just works. I use the Tamron SP 90mm f/2.8 Di Macro VC USD on my kit and it is rock solid. Sharp as a tack and built like a tank. Listen, handheld macro is a fool's errand anyway. Get a decent tripod and stop relying on software to fix your shaky hands. That lens is well under your budget too.

Can confirm this works. Did the same thing on mine and its been solid ever since.

Look, skip the L glass if you're on a budget. Listen, stabilization helps but proper technique beats it every time. 1. Get the Canon EF 100mm f/2.8 Macro USM. It is sharp as a tack.

• Put that extra cash into a heavy tripod. If the rig moves, no IS is gonna save your shot.
• Stop overthinking gear. Sharpness is about aperture control, not just the lens label...

To add to the point above: the community has covered the 100mm options and the 60mm crop-specific glass extensively. Before you commit, I need to know a few things:

• Do you prioritize 1:1 magnification for tiny insects, or just general botanical framing?
• Will you be using a dedicated macro flash setup? Knowing if you need that extra working distance for lighting will change which focal length actually performs best for your specific subjects.

Lol I was literally about to post the same thing. Glad someone else brought it up.

Man, late to the party but I am in the exact same boat with my 90D right now. Just watch out for lens creep while you are hiking, it is SO annoying.