P3D Re: Realist 2.8 Lens Question

[fj834@xxxxxxxxxxxxxxxxxxxxx (Dr. George A. Themelis)]

>On a different note.. I have a (cheap) Realist 2.8 and I have noticed that if I take the 
>back off and look through the lenses, they appear to have lots of little air bubbles in 
>them. I assume this isn't normal ? My 3.5 doesn't have them , but then I understand
>that the 3.5 has air spaced lenses and that the 2.8 has elements that are "glued" 
>together.. is this true ? Is there a way to repair the lenses or should I just look out for
>a better 2.8 ?

I think the 3.5 has 3 lens elements airspaced while the 2.8 has 4 elements,
a pair of which is cemented.  

Just curious, can you see an effect in the optical quality?

George Themelis


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