I love the OM 135/2.8

Started Sep 25, 2012 | Discussions thread
ric S
Regular MemberPosts: 156
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OM 135/2.8 for astro
In reply to WirenL, Sep 25, 2012

I used an OM 135/2.8 (not MC) for astrophotography. I'm complaining a lot about CA:

This is a 50% crop at f/4.0. All bright stars have a red/orange or violet ring. Very bright stars also have a blue halo.

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