Canon L glass

[zombiesniper]

You are right machines do grind and polish sorry. What I should have said was there is more individual lens hands on QA done.

 

[beagle100]

You are right machines do grind and polish sorry. What I should have said was there is more individual lens hands on QA done.

so L lens have more personal "hands on" attention

 

[table1349]

From beginning to end.

 

[zombiesniper]

I know the larger ones do but this goes for any company not just Canon. The larger more expensive products tend to get each lens examined for defects where as your standard kit type lens won't go through as much scrutiny.