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Sure about that? This ain't a John Deere discussion....lol
Case in point, I'm having a Chinese manufacturer quote a CNC machined part for me that I buy in quantity and that is easier for me to sub out versus making it in shop.
I'm going to submit drawings and tolerances to machine and extrude to and I expect them to hold those tolerances. While I will inspect some of the parts (sample) for tolerance hold, I would expect all of them to be within specification without 100% inspection.... Key word...'expect'.
Conversely, it's been noted on forums (other than this one) related to manufacturing and machining, that the Chinese manufacturers, if not monitored closely, tend to get sloppy... Is that what happened here?
That is how it's done in the business world. JD is no different and neither is Vortex. I'm sure the 'sample' batch conformed but it's obvious that some amount was defective.
As the importer, Vortex is obligated to stand behind the defective parts, that is business and predicated on their warranty.
However, letting any defective units through (trusting their manufacturer to hold spec and they didn't), causes harm to Vortex in the form of bad press, something no business wants or needs.
I was going to buy one (I'm in the market for a medium to high end spotter), but I'm not now. I'm not taking the chance in as much as I've frozen 2 objectives from 2 spotters and I had a 50% failure rate. Simply, that is not acceptable and it's not good business practice.
I'm sure at this point, they know there is an issue, how they handle it will determine how they are perceived by their customers in the future. Keep in mind, it's a crowded playing field (optics) so missteps can be costly.