Can Pentax make A Decent Lens? Ricoh have not fixed QC issues...

Started 2 months ago | Discussions thread
Mark Ransom
Senior MemberPosts: 2,947
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Re: Can Pentax make A Decent Lens? Ricoh have not fixed QC issues...
In reply to Trevor G, 2 months ago

Trevor G wrote:
HD coatings are designed more to stop flare, I believe. Other things, including the accuracy of the lens elements, contribute to contrast.

Coatings reduce internal reflections, which cause flare in the worst case and loss of contrast when it's more spread out and subtle.

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