PCACala@xxxxxxx wrote:
>
> Folks:
>
> This lens is so exceptional I had to post the results right to the list. I
> couldn't believe my eyes! Let the data and summaries speak for themselves.
> And don't miss what happens when you shoot with an OM-1n instead of a OM-4.
> *********
> 250mm f/2 Zuiko (multi-coated)
> Vignetting = C @ f/2, A- @ f/2.8, A @ f/5.6
> Distortion = None
>
> OM-4 w/ mirror and aperture prefire via the self-timer
> Aperture Center Corner
> f/2 A B+
> f/2.8 A+ A-
> f/4 A+ A
> f/5.6 A+ A+
> f/8 A A-
> f/11 A- A-
> f/16 A- A-
> f/22 A- B+
> Note: Extremely high contrast and resolving power at all apertures with only
> a minor loss in the corners at f/2 and f/22. Strong vignetting at f/2,
> requiring exposure compensation for critical work. Clearly one of the best
> Zuikos made. Brillant images, with f/5.6 showing a corner to corner clarity
> unsurpassed by any Zuiko tested to date.
>
>
WOW! Shows ya what a mere couple thousand will get cha.
George (who is now a bit leery of how his 350/2.8 might stack up.)
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