However, I have to deduct a star, because the lens was dirty on both sides enormous. These are likely to be a residue from production, which would have been obvious in the quality control (lens looked as if they were blind).
The lubricating film lies with soapy water and a soft cloth to remove although good, but had to for the lens holder can be removed. For this, a Torx T5 screwdriver needed, probably not part of the standard household equipment.
I think that this is an isolated incident. However, I find it important that such experiences are communicated.
