Lens quality control

Started 7 months ago | Discussions thread
parallaxproblem
Veteran MemberPosts: 4,607
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Re: Lens quality control
In reply to YuriS, 7 months ago

YuriS wrote:

Guys! Let’s stop talking about QA and QC. Just to be clear – all these things are POST MORTUM. That means some things by-design have higher chance to be manufactured well, but some things - have not. We have a good mantra for such occasion: It can be made but cannot be manufactured. And we call it manufacturability. The article There is no perfect lens is a very good example of it. It looks like SEL1628 by design had higher in-process variability. And one important note: the lens with higher elements number has higher change to be manufactured wrong. So Tessar and Triplet lenses supposed to be high manufacturability lenses… Which was proved in a past…

Er... the people in this forum are nex owners and are buying nex lenses.  Sony are not replacing faulty lenses, as I have shown, so isn't qc rather an important issue here?  Why should we stop talking about it ?t

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