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Re: 0-360 lens

by Robert Harshman :: Rate this Message:

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>
> You don't focus on the mirror (unless you want a perfect image of
the spots and dust on it),
> you focus on what the mirror is reflecting.
>

OK, while true, this mirror system in particular requires a very close
focus, almost macro lens required. And you don't focus at the subject
in the mirror but at a fixed point in space beyond the mirror. I've
used or tried 5 different mirror systems in the past and they all had
different points of focus at a fixed point for every shot regardless
of how close or far the subject was.

The 0-360 system use to say they supported a 120 vertical FOV, now
stated as 110? But what they don't say is with any camera I every
tried with them either the far or near edge will be very soft, even
for a mirror system, giving you 90-95 degrees of useful vertical FOV
unless you shoot multiple shots with different points of focus which
kind of defeats the purpose of a "one" shot system.

On that note, they are easy to bracket with.

Regards,

Robert



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