What is this inside my 50m F1.4D

Started 5 months ago | Discussions thread
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zzzzzzzzzzz Senior Member • Posts: 2,636
What is this inside my 50m F1.4D

I've had this lens for close to 20 years and this mark inside the front element has been getting worse.  I've never been thrilled with the performance of this lens so it might be time to replace it with a new AF-S 50mm F1.8G.

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