天價消色差物鏡

[sbod]

http://www.apotel.com/surplusoptical.htm

到底什麼人會買呢類東西?

唔似係攻一般ATMers 市場......

天文台/天文館應該有辦法買到所需的零件......

難道係collective items!?

[CHYeung]

http://www.apotel.com/surplusoptical.htm

到底什麼人會買呢類東西?

唔似係攻一般ATMers 市場......

天文台/天文館應該有辦法買到所需的零件......

難道係collective items!?

Yes, those are collector items. Jaegers was a famous company in the 70s selling a lot of those "large" achromats.

YCH