0199名無CCDさん@画素いっぱい (ワッチョイ 7f7d-BGa1)
2020/08/19(水) 11:24:26.73ID:14hSgvVV0https://www.sonyalpharumors.com/new-tamron-patents-disclose-the-design-of-a-15-30mm-f-2-8-and-200-800mm-f-5-6-lens/
Tamron patented the design of two new lenses that might be available for Sony E-mount:
キヤノンの特許は良い特許
タムロンの特許は悪い特許