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Message: <blockquote data-quote="brocknroller" data-source="post: 1534393" data-attributes="member: 665">Ron,The difference between the early Leica BA owner's perception of CA on the other thread and yours may have to do with different levels of sensitivity to CA.Also, sensitivity to CA seems to change as people get older and their eye lenses becomes yellow (and harder). I'm not sure if this is why your BA's are starting to get on your nerves when before you sang their praises or if after trying bins with ED or FL glass, you realized what you were missing? Also, I read that at some point Leica changed over to lead-free glass in their BA series without announcing it (and to the best of my knowledge no-one has been able to pin down the serial # or year when this happened). So even though your a BA is an "early" sample, it's possible that it has lead-free glass since no-one knows exactly when the changeover occurred. I'm not sure if there's a way to test this objectively (without melting down the lenses <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />. I noticed that I'm more sensitive to CA in the winter since there tends to be higher contrast backgrounds with the gray skies and snow. In the winter, my LX starts to "get on my nerves" but in the spring, summer, and early fall, I rarely notice the CA. Also, after comparing the Promaster ED to my LX, I became more sensitive to the CA in the LX. I also have porros, which I sometimes take out with me at the same time as the LX, and when I switch back and forth I can notice the difference in CA if I'm looking at birds against a high contrast background. So I stopped taking the porros out with me when I'm using the LX, and this has changed my perception since I no longer "look for it" though I'm sure it's there. If you can afford it, I would recommend that you hang on to your Leica until you have thoroughly tested and used your FL for a while. Despite the FL glass, the Zeiss might not appeal to you for other reasons, and you might find yourself wishing you hadn't sold the BA! Hopefully not. Brock</blockquote>

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