[Nicolas06]

As long as you never try to take a shot of an animal in a tree ...

Yeah, when you like that, you start to be into trouble... Because soon you discover that's more a 150-450 you need of 2300$ or things even heavier/expensive !

[boriscleto]

That's true... I guess that part of why people pay 2 time more for similar optical quality.

Or you can just hold down the lens release button to do the same thing.

[kh1234567890]

Or you can just hold down the lens release button to do the same thing.

Having seen what keeps that prime example of bad mechanical design attached, I would not dream of mistreating my lens release button in that way