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redimp
02-10-2009, 20:02
just got myself a canon 28-135mm is usm lens,anybody got one and what do you think?,one thing i have noticed when its switched on to IS on the lens and you go to focus its quite noisey not your normal auto focus sound but another sound inside the lens,is this normal?

Sim0n
03-10-2009, 08:13
just got myself a canon 28-135mm is usm lens,anybody got one and what do you think?,one thing i have noticed when its switched on to IS on the lens and you go to focus its quite noisey not your normal auto focus sound but another sound inside the lens,is this normal?

The noise is normal.

walker
06-10-2009, 14:23
It's the image stabiliser doing the business.