In one of my last posts I listed the reasons why I wouldn't invest in a 600TC, and even went so far as cancelling the order I had placed for one. Well, I reassessed my situation and went through with the order

I'm at a point in my life/career where I can responsibly handle the financial burden, but as for the physical burden... I'm quickly re-confirming that peak performance comes with some massive tradeoffs (literally), and why I had ultimately swapped my previous Canon 600 f/4 for the 500PF. Why am I posting this in the 600PF thread? Because for me, it reaffirms that the 600PF is a gem, a spectacular powerhouse in a tiny package that is TONS more fun to shoot, and has the performance to nearly match the big gun in most every category (IQ, AF prowess).
The 600TC is a major handful, and so far I'm finding it's not an enjoyable lens to handhold and employ while out in the field. It's requiring me to make compromises in how I shoot, imposing limits on my mobility and agility that the 600PF frees you of. I knew this going in, but it's still a stark wakeup call after years of handling these featherweight PF lenses. Eventually I'll adapt to these limitations and incorporate the new advantages the lens brings into my shooting process (the built-in TC is most definitely all it's cracked up to be), as there are definite use cases that I can now unlock that were previously more restrictive before due to aperture (early morning low light + shooting under shaded forest canopy where f/6.3 isn't ideal). I'm excited to give it a go at warblers here in the next few weeks!
Historically I would sell off lenses when I swapped to new ones, but this time around, the 600PF is going
nowhere. It's my all-time favorite lens, and the addition of the 600TC won't change that.
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