the thing is. i Cannot fully switch back to pentax, even if it is actually awesomee
because the reason I had to switch to fuji is that I wanted a usable and high quality long telephoto setup for birds/wildlife and there's still just nothing reasonable on pentax for that niche*
*and even if there was, I wouldn't trust Pentax autofocus / stabilization performance to be anywhere near what I get with x-t4 + tamron 150-500
only Maybe Ok options are like
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Really old Sigma stuff which are I think from kind of before they started getting really good (might be ok tho, and some have in-lens stabilization... 120-400 APO OS HSM honestly seems interesting)
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Modern first party stuff intended for full frame (super overpriced, unstabilized, and huge - D FA 150-450 costs $400 more than I paid for my tamron, has no in lens stabilization, and weighs over half a pound more [tamron is already heavy enough that I need it's crazy stabilization due to my wimpy arms])
