135 f2.0 L Focusing noise, send it back?

[Viggo]

Hi guys!

I just got my brand spanking new, produced december 2016. But the focusing noise is more more squeaky and scrapy compared to my friends 135m, and of the 5 I hav e had earlier, and not one single of the 150+ enses I've owned has had this noise.

Does it need breaking in, is it normal for an old usm in a new lens to behave like this? It does focus spot on at afma 0 and it locks safely and with great certainty.

 

[dak723]

I would ask these questions to Canon technical support. They will know more than we and can advise you directly.

 

[bholliman]

I would ask these questions to Canon technical support. They will know more than we and can advise you directly.

Agreed, what you described is not normal.

 

[LSeries]

Does it need breaking in, is it normal for an old usm in a new lens to behave like this? It does focus spot on at afma 0 and it locks safely and with great certainty.

It doesn't need breaking as the quality of the components inside Canon's L lenses is garbage. I've had just too many L lenses with focusing noise / slow AF.

 

[sanj]

Hi guys!

I just got my brand spanking new, produced december 2016. But the focusing noise is more more squeaky and scrapy compared to my friends 135m, and of the 5 I hav e had earlier, and not one single of the 150+ enses I've owned has had this noise.

Does it need breaking in, is it normal for an old usm in a new lens to behave like this? It does focus spot on at afma 0 and it locks safely and with great certainty.

No sir.

 

[Viggo]

I sent it back and it was declared DOA immediately. I got new one and it's silent as it should be and even better IQ and newer so very happy I sent it in.