https://akiba-pc.watch.impress.co.jp/docs/news/news/1424766.html

https://blog.itokoichi.com/entry/2022/07/14/180000

https://news.livedoor.com/article/detail/22453625/

https://k-tai.watch.impress.co.jp/docs/news/1424210.html

https://hypebeast.com/jp/2022/7/nikon-has-stopped-developing-single-lens-reflex-cameras-that-have-been-in-operation-for-over-60-years

https://photorumors.com/2022/05/05/officially-announced-and-available-for-pre-order-ttartisan-50mm-f-0-95-aps-c-lens-for-fuji-mft-sony-canon-and-nikon-cameras/

https://photorumors.com/2022/07/13/ttartisan-to-announce-two-new-lenses-35mm-f-2-apo-asph-lens-for-leica-m-mount-and-50mm-f-2-for-fuji-sony-mft-canon-and-nikon-cameras/

https://k-tai.watch.impress.co.jp/docs/column/minna/1424783.html