I bought a Tamron 150-600 zoom lens last year and was looking for a good housing. Earlier this month I found this BPaul case. Not only does it fit on the lens alone, but I can put my Sony A7RIII in a bag with the adapter and zip it up. The lens hood is mounted in the opposite position, but that's a minor drawback in my opinion. There's a strap for carrying gear, and for going out into the green, that's just what I needed.
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