I said
lopped, not
loopped.
I was talking about the trees (jacarandas) along the sun side of our home. I had them lopped, i.e. branches cut/removed/trimmed to thin them somewhat and reduce their overall height. They needed it for their own health, for safety as it reduces the risk of branches or trees falling and of course the benefit of letting more light through to both the solar panels on the roof and the house in general during Winter.
Yes. I'm talking about the residential scale panels, 60 cell, 72 cell size units (and larger).
You'd need to check the specifications for the specific panel but the panels/brands on that page all look like modern panels which would have multi-diodes built in. I think you'll be fine!
Honestly I wouldn't bother with optimisers unless you have a very specific need for them. They can always be fitted later in any case.
Shading is just a fact of life and an optimiser doesn't make light, just helps (sometimes) reduce losses in a string. That said they may not be any better than a panel using its own bypass diodes for that purpose. It depends on the nature of the shading. Watch the video I posted earlier comparing how in real life a string inverter system and a micro-inverter system manage different shading scenarios.
Set stuff up to minimise shade in the first place and don't let seeking "perfect" be the enemy of good.
The best option is to position panels to minimise shading in the first place, or to move/remove objects which are casting the shade. Don't worry as much about shade early/late in the day. It's shade during peak production hours (the 2-3 hours either side of solar noon) you want to keep a check on.
This is the impact of reducing the shading cast by our trees. Shown below is the PV output from my system (expressed as kW output per kW of installed panels), comparing a nice day close to Winter Solstice this year, and a day with similar conditions the year before.
View attachment 65982
You can see how much my tree lopping helped solar PV output this Winter compared with last Winter, especially during the middle portion of the day.
Even so, I was still getting good useful output when I had the extra tree shading and the panel diodes and MPPTs did their job in extracting what energy they could.
Optimisers for me would be a total waste of money. As I said, they can't make light.
They don't work with paralleled arrays unless fitted to every panel so in my case adding A$4k worth of optimisers to improve production worth about an extra $100 year would not be particularly smart.