[davidmanze]

The VC sucks at 600mm ...

 

 

Further comment on the Tamron's VC at 600mm.....




....... As has been said, the Tamron's VC stabilizing system has it's faults at the long end.......shots taken at 1/1600 sec. are invariably blurred with the VC system "on", so I switch it off!...... but using shutter speeds of 1/125-320 sec.the VC produces perfectly sharp results with no trace of shake/movement ( given a statistical 80% success rate). Lower SS are possible down to 1/80-120 sec. but no risks for me!




I know it is recommended to not use VC at higher shutter speeds......and the system operates at high(ish) frequency.....nonetheless it does seem strange that at the relatively high shutter speed of 1/1600 sec. the VC manages to make consistently blurred images.


During a series of hand held bird shooting I was getting a very good success rate of sharp images with the VC "on" compared to results with it "off" at 600mm @ 1/320 sec.


Overall I would say that apart from the viewfinder image jumps a little, it stabilizes pretty well, the biggest problem is remembering to switch it off again when shooting high shutter speeds and when panning...... a link to an indicator in the viewfinder would be a clever touch......as has the K3's VF hand symbol.