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Old 02-06-2019   #38
Bill Clark
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Bill Clark is offline
Join Date: Dec 2004
Location: Minnetonka, Minnesota
Age: 71
Posts: 2,585
Quote:
What does ASPH mean to you?
No meaning for me.

Lot of marketing/sales used to justify higher prices.

Maybe the most help with wide angle lenses.

But my Nikkor 20 I bought in 1972 works just fine for me, when I need it, rarely. It’s not ASPH.

Interesting article of injction molded plastic lenses:

https://www.lenseloptics.com/plastic-optics/

Taiwan manufacturer:

https://asia.nikkei.com/Companies/LA...cision-Co.-Ltd
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