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Inside Sigma's Aizu Factory

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Old Thursday 3rd October 2019, 14:19   #1
Chosun Juan
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Arrow Inside Sigma's Aizu Factory

An inside look at Sigma's Aizu factory.
https://m.dpreview.com/articles/6768...traffic_source

An interesting insight into how vertically integrated they are, and also how quite a few processes are from another era. The L mount alliance may very well be vital to them. Quite fascinating to see how they fare over the coming decade .... and what form they are in by the end of that ......





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Old Saturday 12th October 2019, 05:30   #2
Chosun Juan
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Thumbs up Sigma Lens manufacture, Testing, and new Magnesium processing facility

A report from the same visit by Dave Etchells of Imaging Resource , as well as some previous very informative articles.
Magnesium Processing:
https://www.imaging-resource.com/new...fp-camera-body

Lens Manufacture:
https://www.imaging-resource.com/new...-from-the-insi

Lens Testing:
https://www.imaging-resource.com/new...ystem-revealed




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Old Tuesday 31st March 2020, 10:22   #3
John A Roberts
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A set of seven posts by Robert Olech of LensTip, about an earlier visit to Sigma’s Aizu factory can be found at:
https://www.lenstip.com/142.1-articl...roduction.html

The posts concentrate on the lens production process, and comprise:
- Introduction
- Metal Processing
- Presses
- Painting
- Optics
- Assembly & Quality Control
- Summary

The posts include many illustrative photographs
And many of the same processes would also apply to the production of other optics such as binoculars

Robert also interviewed the Sigma CEO Kazuto Yamaki: https://www.lenstip.com/143.1-articl...rporation.html


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Old Tuesday 31st March 2020, 11:47   #4
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Thanks John good timing !

Here is a DPReview interview with Kazuto Yamaki, CEO of Sigma, discussing current issues and future directions and plans.
https://m.dpreview.com/interviews/21...traffic_source







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